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New version of POSIX Compliance Guide

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This is a replacement of the POSIX 1003.1 Compliance Guide. It
will be generated from a .csv file.

Updates #3177.
This commit is contained in:
Joel Sherrill 2017-08-28 13:03:40 -05:00
parent 13a15f908d
commit 2c3cf2166d
32 changed files with 1391 additions and 7299 deletions
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The .cvs file is exported from a spreadsheet used to track the
status of RTEMS versus various POSIX related standards.
This is the information in each column:
1 - Master List of Methods
2 - Header File
3 - IEEE Std 1003.1-2008 API
4 - PSE51
5 - PSE52
6 - PSE53
7 - PSE54
8 - C99
9 - FACE 2.1 Security
10 - FACE 2.1 Safety Base
11 - FACE 2.1 Safety Extended
12 - FACE 2.1 General-Purpose
13 - RTEMS w/o Networking
14 - RTEMS w/ Networking
15 - Deos RTEMS Safety Base
16 - Deos RTEMS Safety Ext
17 - Deos RTEMS Gen Purp
18 - RTEMS Impl Note
19 - POSIX Functionality Categories
20 - misc
NOTE: Column 13 uses the rtems-libbsd network stack.
For the standards columns, the cells are blank to indicate not
required or "INCL" to indicate required.
For the RTEMS colums, the following values are used:
CTS-YES - FACE Conformance Test Suite reports present
CTS-NO - FACE Conformance Test Suite reports not present
RT-YES - RTEMS specific probe test reports present
RT-NO - RTEMS specific probe test reports not present
HAND-YES - Override by hand to indicate RTEMS supports this
The "RTEMS Impl Notes" column has the following values:
+ ENOSYS to indicate the method is a stub that sets errno to ENOSYS and
returns -1
+ SUSP to indicate the method is limited due to the Single Use,
Single Process nature of RTEMS.

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posix-compliance/RTEMS-Standards-Compliance-v1.csv Executable file
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posix1003-1/conf.py → posix-compliance/conf.py
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@ -3,9 +3,11 @@ sys.path.append(os.path.abspath('../common/'))
from conf import *
project = "RTEMS POSIX 1003.1 Compliance Guide"
latex_documents = [
('index',
'posix1003-1.tex',
'rtems-posix1003-compliance.tex',
u'RTEMS POSIX 1003.1 Compliance Guide',
u'RTEMS Documentation Project',
'manual'),

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
================================================
RTEMS POSIX 1003.1 Compliance Guide (|version|).
================================================
| **COPYRIGHT (c) 1988 - 2015.**
| **On-Line Applications Research Corporation (OAR).**
| **COPYRIGHT (c) 2016-2017.**
| **RTEMS Foundation, The RTEMS Documentation Project**
| **Licenses:**
| Creative Commons Attribution-ShareAlike 4.0 International Public License
| https://creativecommons.org/licenses/by-sa/4.0/legalcode
The authors have used their best efforts in preparing this material. These
efforts include the development, research, and testing of the theories and
programs to determine their effectiveness. No warranty of any kind, expressed
or implied, with regard to the software or the material contained in this
document is provided. No liability arising out of the application or use of
any product described in this document is assumed. The authors reserve the
right to revise this material and to make changes from time to time in the
content hereof without obligation to notify anyone of such revision or changes.
The RTEMS Project is hosted at http://www.rtems.org/. Any inquiries concerning
RTEMS, its related support components, or its documentation should be directed
to the Community Project hosted at http://www.rtems.org/.
.. topic:: RTEMS Online Resources
================ =============================
Home https://www.rtems.org/
Developers https://devel.rtems.org/
Documentation https://docs.rtems.org/
Bug Reporting https://devel.rtems.org/query
Mailing Lists https://lists.rtems.org/
Git Repositories https://git.rtems.org/
================ =============================
.. toctree::
:maxdepth: 5
:numbered:
preface
generated-posix-compliance

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
.. COMMENT: COPYRIGHT (c) 1988-2017.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.
Preface
=======
RTEMS supports a variety of POSIX and BSD features including some POSIX
methods that are now deemed obsolete and some methods for compatibility
with GNU/Linux and FreeBSD. There are multiple POSIX standard versions
as well as multiple efforts to tailor (e.g. profile) POSIX for embedded
environments. They range in size from less than 200 required capabilities
to the full POSIX standard which has over 1200 required capabilities. This
document reports on the alignment of RTEMS with various standard versions
and defined profiles.
RTEMS supports a number of POSIX process, user, and group oriented
routines in what is referred to as a "SUSP" (Single-User, Single
Process) manner. RTEMS supports a single process, multithreaded
POSIX environment. In a pure world, there would be no reason to even
include routines like ``getpid()`` when there can only be one process.
But providing routines like ``getpid()`` and making them work in
a sensible fashion for an embedded environment while not returning
``ENOSYS`` (for not implemented) makes it significantly easier to port
code from a UNIX environment without modifying it.
Each chapter in this document presents the alignment of RTEMS with
a specific standard version or defined profile. Each section with a
chapter details the alignment of a specific header file relative to the
chapter's standard or profile. The implementation status of the items
required by the standard are listed.

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assert()
_tolower()
_toupper()
optarg
opterr
optind
optopt
_longjmp
_setjmp
va_arg()
va_copy()
va_end()
va_start()
timezone
uname()

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#! /bin/bash
lfile=unprobed_methods.txt
cpu=arm
bsp=xilinx_zynq_a9_qemu
bsp_path=/home/joel/rtems-work/tools/4.12/bsps/arm-rtems4.12
bsp_flags="-march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard -mtune=cortex-a9"
cat_template()
{
cat <<EOF
void @METHOD@(void);
int main(int argc, char **argv)
{
@METHOD@();
return 0;
}
EOF
}
gen_prober()
{
method=$1
mname=`echo ${method} | sed -e 's/[()]//g'`
cat_template | sed -e "s/@METHOD@/${mname}/g"
}
cat ${lfile} | while read method
do
grep ${method} probe_misses.txt >/dev/null
if [ $? -eq 0 ] ; then
echo "${method},HAND-YES"
continue
fi
gen_prober ${method} >tmp_probe.c
${cpu}-rtems4.12-gcc \
-B${bsp_path}/${bsp}/lib/ -specs bsp_specs -qrtems \
${bsp_flags} \
tmp_probe.c >/dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "${method},RT-YES"
continue
fi
echo "${method},RT-NO"
done
# rm -f tmp_probe.c a.out

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Clocks and Timers
#################
Data Definitions for Clocks and Timers
======================================
Time Value Specification Structures
-----------------------------------
.. code:: c
struct timespec, Type, Implemented
struct itimerspec, Type, Implemented
Timer Event Notification Control Block
--------------------------------------
Type Definitions
----------------
.. code:: c
clockid_t, Type, Implemented
timerid_t, Type, Implemented
Timer Event Notification Manifest Constants
-------------------------------------------
.. code:: c
CLOCK_REALTIME, Constant, Implemented
TIMER_ABSTIME, Constant, Implemented
Clock and Timer Functions
=========================
Clocks
------
.. code:: c
clock_settime(), Function, Partial Implementation
clock_gettime(), Function, Partial Implementation
clock_getres(), Function, Implemented
Create a Per-Process Timer
--------------------------
.. code:: c
timer_create(), Function, Implemented
Delete a Per-Process Timer
--------------------------
.. code:: c
timer_delete(), Function, Implemented
Per-Process Timers
------------------
.. code:: c
timer_settime(), Function, Implemented
timer_gettime(), Function, Implemented
timer_getoverrun(), Function, Implemented
High Resolution Sleep
---------------------
.. code:: c
nanosleep(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Command and Variable Index
##########################
There are currently no Command and Variable Index entries.
.. COMMENT: @printindex fn

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Compliance Summary
##################
General Chapter
===============
.. code:: c
Functions:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 21
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
*FEATURE FLAG COUNTS DO NOT ADD UP!!*
.. code:: c
Constants:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Terminology and General Requirements Chapter
============================================
.. code:: c
Functions:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 19
Implemented : 19
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 32
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
*FEATURE FLAG COUNTS DO NOT ADD UP!!*
.. code:: c
Constants:
Total Number : 126
Implemented : 124
Unimplemented : 2
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Process Primitives Chapter
==========================
.. code:: c
Functions:
Total Number : 36
Implemented : 20
Unimplemented : 0
Unimplementable : 16
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 5
Implemented : 5
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 40
Implemented : 32
Unimplemented : 6
Unimplementable : 2
Partial : 0
Dummy : 0
Untested : 0
Process Environment Chapter
===========================
.. code:: c
Functions:
Total Number : 23
Implemented : 21
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 2
Untested : 0
.. code:: c
Data Types:
Total Number : 2
Implemented : 2
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 53
Implemented : 51
Unimplemented : 2
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Files and Directories Chapter
=============================
.. code:: c
Functions:
Total Number : 35
Implemented : 29
Unimplemented : 3
Unimplementable : 0
Partial : 1
Dummy : 0
Untested : 1
*FUNCTION COUNTS DO NOT ADD UP!!*
.. code:: c
Data Types:
Total Number : 3
Implemented : 3
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 39
Implemented : 37
Unimplemented : 2
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Input and Output Primitives Chapter
===================================
.. code:: c
Functions:
Total Number : 19
Implemented : 9
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 9
Untested : 0
*FUNCTION COUNTS DO NOT ADD UP!!*
.. code:: c
Data Types:
Total Number : 2
Implemented : 1
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 1
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 24
Implemented : 24
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Device- and Class-Specific Functions Chapter
============================================
.. code:: c
Functions:
Total Number : 12
Implemented : 8
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 4
Untested : 0
.. code:: c
Data Types:
Total Number : 3
Implemented : 3
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 77
Implemented : 76
Unimplemented : 1
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Language-Specific Services for the C Programming Language Chapter
=================================================================
.. code:: c
Functions:
Total Number : 126
Implemented : 117
Unimplemented : 8
Unimplementable : 0
Partial : 1
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 2
Implemented : 2
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 11
Implemented : 11
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
System Databases Chapter
========================
.. code:: c
Functions:
Total Number : 8
Implemented : 8
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 2
Implemented : 2
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Data Interchange Format Chapter
===============================
.. code:: c
Functions:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 2
Implemented : 0
Unimplemented : 2
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 37
Implemented : 0
Unimplemented : 37
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Synchronization Chapter
=======================
.. code:: c
Functions:
Total Number : 28
Implemented : 28
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 1
Implemented : 1
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 5
Implemented : 5
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Memory Management Chapter
=========================
.. code:: c
Functions:
Total Number : 10
Implemented : 0
Unimplemented : 10
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 12
Implemented : 0
Unimplemented : 12
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Execution Scheduling Chapter
============================
.. code:: c
Functions:
Total Number : 24
Implemented : 20
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 4
Untested : 0
.. code:: c
Data Types:
Total Number : 1
Implemented : 1
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 10
Implemented : 10
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Clocks and Timers Chapter
=========================
.. code:: c
Functions:
Total Number : 9
Implemented : 7
Unimplemented : 0
Unimplementable : 0
Partial : 2
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 4
Implemented : 4
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 2
Implemented : 2
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Message Passing Chapter
=======================
.. code:: c
Functions:
Total Number : 8
Implemented : 8
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 2
Implemented : 2
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Thread Management Chapter
=========================
.. code:: c
Functions:
Total Number : 15
Implemented : 15
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 3
Implemented : 3
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Thread-Specific Data Chapter
============================
.. code:: c
Functions:
Total Number : 4
Implemented : 4
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Thread Cancellation Chapter
===========================
.. code:: c
Functions:
Total Number : 6
Implemented : 6
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Data Types:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Feature Flags:
Total Number : 0
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
.. code:: c
Constants:
Total Number : 5
Implemented : 4
Unimplemented : 1
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
Overall Summary
===============
.. code:: c
Functions:
Total Number : 363
Implemented : 300
Unimplemented : 21
Unimplementable : 16
Partial : 4
Dummy : 19
Untested : 1
*FUNCTION COUNTS DO NOT ADD UP!!*
.. code:: c
Data Types:
Total Number : 48
Implemented : 45
Unimplemented : 2
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 1
.. code:: c
Feature Flags:
Total Number : 53
Implemented : 0
Unimplemented : 0
Unimplementable : 0
Partial : 0
Dummy : 0
Untested : 0
*FEATURE FLAG COUNTS DO NOT ADD UP!!*
.. code:: c
Constants:
Total Number : 444
Implemented : 379
Unimplemented : 63
Unimplementable : 2
Partial : 0
Dummy : 0
Untested : 0

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Data Interchange Format
#######################
Archive/Interchange File Format
===============================
Extended tar Format
-------------------
.. code:: c
tar format, Type, Unimplemented
TMAGIC, Constant, Unimplemented
TMAGLEN, Constant, Unimplemented
TVERSION, Constant, Unimplemented
TVERSLEN, Constant, Unimplemented
REGTYPE, Constant, Unimplemented
AREGTYPE, Constant, Unimplemented
LNKTYPE, Constant, Unimplemented
SYMTYPE, Constant, Unimplemented
CHRTYPE, Constant, Unimplemented
BLKTYPE, Constant, Unimplemented
DIRTYPE, Constant, Unimplemented
FIFOTYPE, Constant, Unimplemented
CONTTYPE, Constant, Unimplemented
TSUID, Constant, Unimplemented
TSGID, Constant, Unimplemented
TSVTX, Constant, Unimplemented
TUREAD, Constant, Unimplemented
TUWRITE, Constant, Unimplemented
TUEXEC, Constant, Unimplemented
TGREAD, Constant, Unimplemented
TGWRITE, Constant, Unimplemented
TGEXEC, Constant, Unimplemented
TOREAD, Constant, Unimplemented
TOWRITE, Constant, Unimplemented
TOEXEC, Constant, Unimplemented
NOTE: Requires <tar.h> which is not in newlib.
Extended cpio Format
--------------------
.. code:: c
cpio format, Type, Unimplemented
C_IRUSER, Constant, Unimplemented
C_IWUSER, Constant, Unimplemented
C_IXUSER, Constant, Unimplemented
C_IRGRP, Constant, Unimplemented
C_IWGRP, Constant, Unimplemented
C_IXGRP, Constant, Unimplemented
C_IROTH, Constant, Unimplemented
C_IWOTH, Constant, Unimplemented
C_IXOTH, Constant, Unimplemented
C_ISUID, Constant, Unimplemented
C_ISGID, Constant, Unimplemented
C_ISVTX, Constant, Unimplemented
NOTE: POSIX does not require a header file or structure. RedHat Linux
5.0 does not have a <cpio.h> although Solaris 2.6 does.
Multiple Volumes
----------------
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Device- and Class-Specific Functions
####################################
General Terminal Interface
==========================
Interface Characteristics
-------------------------
Opening a Terminal Device File
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Process Groups (TTY)
~~~~~~~~~~~~~~~~~~~~
The Controlling Terminal
~~~~~~~~~~~~~~~~~~~~~~~~
Terminal Access Control
~~~~~~~~~~~~~~~~~~~~~~~
Input Processing and Reading Data
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Canonical Mode Input Processing
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Noncanonical Mode Input Processing
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Case A - MIN > 0 and TIME > 0
- Case B - MIN > 0 and TIME = 0
- Case C - MIN = 0 and TIME > 0
- Case D - MIN = 0 and TIME = 0
Writing Data and Output Processing
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Special Characters
~~~~~~~~~~~~~~~~~~
.. code:: c
INTR, Constant, Implemented
QUIT, Constant, Implemented
ERASE, Constant, Implemented
KILL, Constant, Implemented
EOF, Constant, Implemented
NL, Constant, Implemented
EOL, Constant, Implemented
SUSP, Constant, Implemented
STOP, Constant, Implemented
START, Constant, Implemented
CR, Constant, Implemented
Modem Disconnect
~~~~~~~~~~~~~~~~
Closing a Terminal Device File
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Parameters That Can Be Set
--------------------------
termios Structure
~~~~~~~~~~~~~~~~~
.. code:: c
tcflag_t, Type, Implemented
cc_t, Type, Implemented
struct termios, Type, Implemented
Input Modes
~~~~~~~~~~~
.. code:: c
BRKINT, Constant, Implemented
ICRNL, Constant, Implemented
IGNBREAK, Constant, Unimplemented
IGNCR, Constant, Implemented
IGNPAR, Constant, Implemented
INLCR, Constant, Implemented
INPCK, Constant, Implemented
ISTRIP, Constant, Implemented
IXOFF, Constant, Implemented
IXON, Constant, Implemented
PARMRK, Constant, Implemented
Output Modes
~~~~~~~~~~~~
.. code:: c
OPOST, Constant, Implemented
Control Modes
~~~~~~~~~~~~~
.. code:: c
CLOCAL, Constant, Implemented
CREAD, Constant, Implemented
CSIZE, Constant, Implemented
CS5, Constant, Implemented
CS6, Constant, Implemented
CS7, Constant, Implemented
CS8, Constant, Implemented
CSTOPB, Constant, Implemented
HUPCL, Constant, Implemented
PARENB, Constant, Implemented
PARODD, Constant, Implemented
Local Modes
~~~~~~~~~~~
.. code:: c
ECHO, Constant, Implemented
ECHOE, Constant, Implemented
ECHOK, Constant, Implemented
ECHONL, Constant, Implemented
ICANON, Constant, Implemented
IEXTEN, Constant, Implemented
ISIG, Constant, Implemented
NOFLSH, Constant, Implemented
TOSTOP, Constant, Implemented
Special Control Characters
~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
VEOF, Constant, Implemented
VEOL, Constant, Implemented
VERASE, Constant, Implemented
VINTR, Constant, Implemented
VKILL, Constant, Implemented
VQUIT, Constant, Implemented
VSUSP, Constant, Implemented
VSTART, Constant, Implemented
VSTOP, Constant, Implemented
VMIN, Constant, Implemented
VTIME, Constant, Implemented
Baud Rate Values
----------------
.. code:: c
B0, Constant, Implemented
B50, Constant, Implemented
B75, Constant, Implemented
B110, Constant, Implemented
B134, Constant, Implemented
B150, Constant, Implemented
B200, Constant, Implemented
B300, Constant, Implemented
B600, Constant, Implemented
B1200, Constant, Implemented
B1800, Constant, Implemented
B2400, Constant, Implemented
B4800, Constant, Implemented
B9600, Constant, Implemented
B19200, Constant, Implemented
B38400, Constant, Implemented
Baud Rate Functions
~~~~~~~~~~~~~~~~~~~
.. code:: c
cfgetospeed(), Function, Implemented
cfsetospeed(), Function, Implemented
cfgetispeed(), Function, Implemented
cfsetispeed(), Function, Implemented
TCIFLUSH, Constant, Implemented
TCOFLUSH, Constant, Implemented
TCIOFLUSH, Constant, Implemented
TCOOFF, Constant, Implemented
TCOON, Constant, Implemented
TCIOOFF, Constant, Implemented
TCIOON, Constant, Implemented
General Terminal Interface Control Functions
============================================
Get and Set State
-----------------
.. code:: c
tcgetattr(), Function, Implemented
tcsetattr(), Function, Implemented
Line Control Functions
----------------------
.. code:: c
tcsendbreak(), Function, Dummy Implementation
tcdrain(), Function, Implemented
tcflush(), Function, Dummy Implementation
tcflow(), Function, Dummy Implementation
Get Foreground Process Group ID
-------------------------------
.. code:: c
tcgetprgrp(), Function, Implemented, SUSP
Set Foreground Process Group ID
-------------------------------
.. code:: c
tcsetprgrp(), Function, Dummy Implementation
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Execution Scheduling
####################
Scheduling Parameters
=====================
.. code:: c
struct sched_param, Type, Implemented
Scheduling Policies
===================
.. code:: c
SCHED_FIFO, Constant, Implemented
SCHED_RR, Constant, Implemented
SCHED_OTHER, Constant, Implemented
NOTE: RTEMS adds SCHED_SPORADIC.
SCHED_FIFO
----------
SCHED_RR
--------
SCHED_OTHER
-----------
Process Scheduling Functions
============================
Set Scheduling Parameters
-------------------------
.. code:: c
sched_setparam(), Function, Dummy Implementation
Get Scheduling Parameters
-------------------------
.. code:: c
sched_getparam(), Function, Dummy Implementation
Set Scheduling Policy and Scheduling Parameters
-----------------------------------------------
.. code:: c
sched_setscheduler(), Function, Dummy Implementation
Get Scheduling Policy
---------------------
.. code:: c
sched_getscheduler(), Function, Dummy Implementation
Yield Processor
---------------
.. code:: c
sched_yield(), Function, Implemented
Get Scheduling Parameter Limits
-------------------------------
.. code:: c
sched_get_priority_max(), Function, Implemented
sched_get_priority_min(), Function, Implemented
sched_get_priority_rr_get_interval(), Function, Implemented
Thread Scheduling
=================
Thread Scheduling Attributes
----------------------------
.. code:: c
PTHREAD_SCOPE_PROCESS, Constant, Implemented
PTHREAD_SCOPE_SYSTEM, Constant, Implemented
Scheduling Contention Scope
---------------------------
Scheduling Allocation Domain
----------------------------
Scheduling Documentation
------------------------
Thread Scheduling Functions
===========================
Thread Creation Scheduling Attributes
-------------------------------------
.. code:: c
pthread_attr_setscope(), Function, Implemented
pthread_attr_getscope(), Function, Implemented
pthread_attr_setinheritsched(), Function, Implemented
pthread_attr_getinheritsched(), Function, Implemented
pthread_attr_setschedpolicy(), Function, Implemented
pthread_attr_getschedpolicy(), Function, Implemented
pthread_attr_setschedparam(), Function, Implemented
pthread_attr_getschedparam(), Function, Implemented
PTHREAD_INHERIT_SCHED, Constant, Implemented
PTHREAD_EXPLICIT_SCHED, Constant, Implemented
Dynamic Thread Scheduling Parameters Access
-------------------------------------------
.. code:: c
pthread_setschedparam(), Function, Implemented
pthread_getschedparam(), Function, Implemented
Synchronization Scheduling
==========================
Mutex Initialization Scheduling Attributes
------------------------------------------
.. code:: c
pthread_mutexattr_setprotocol(), Function, Implemented
pthread_mutexattr_getprotocol(), Function, Implemented
pthread_mutexattr_setprioceiling(), Function, Implemented
pthread_mutexattr_getprioceiling(), Function, Implemented
PTHREAD_PRIO_NONE, Constant, Implemented
PTHREAD_PRIO_INHERIT, Constant, Implemented
PTHREAD_PRIO_PROTECT, Constant, Implemented
Change the Priority Ceiling of a Mutex
--------------------------------------
.. code:: c
pthread_mutex_setprioceiling(), Function, Implemented
pthread_mutex_getprioceiling(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Files and Directories
#####################
Directories
===========
Format of Directory Entries
---------------------------
Directory Operations
--------------------
.. code:: c
struct dirent, Type, Implemented
opendir(), Function, Implemented
readdir(), Function, Implemented
readdir_r(), Function, Implemented
rewinddir(), Function, Implemented
closedir(), Function, Implemented
Working Directory
=================
Change Current Working Directory
--------------------------------
.. code:: c
chdir(), Function, Implemented
Get Working Directory Pathname
------------------------------
.. code:: c
getcwd(), Function, Implemented
General File Creation
=====================
Open a File
-----------
.. code:: c
open(), Function, Implemented
O_RDONLY, Constant, Implemented
O_WRONLY, Constant, Implemented
O_RDWR, Constant, Implemented
O_APPEND, Constant, Implemented
O_CREAT, Constant, Implemented
O_DSYNC, Constant, Unimplemented
O_EXCL, Constant, Implemented
O_NOCTTY, Constant, Implemented
O_NONBLOCK, Constant, Implemented
O_RSYNC, Constant, Unimplemented
O_SYNC, Constant, Implemented
O_TRUNC, Constant, Implemented
NOTE: In the newlib fcntl.h, O_SYNC is defined only if _POSIX_SOURCE is
not defined. This seems wrong.
Create a New File or Rewrite an Existing One
--------------------------------------------
.. code:: c
creat(), Function, Implemented
Set File Creation Mask
----------------------
.. code:: c
umask(), Function, Implemented
Link to a File
--------------
.. code:: c
link(), Function, Implemented
Special File Creation
=====================
Make a Directory
----------------
.. code:: c
mkdir(), Function, Implemented
Make a FIFO Special File
------------------------
.. code:: c
mkfifo(), Function, Untested Implementation
NOTE: mkfifo() is implemented but no filesystem supports FIFOs.
File Removal
============
Remove Directory Entries
------------------------
.. code:: c
unlink(), Function, Implemented
Remove a Directory
------------------
.. code:: c
rmdir(), Function, Implemented
Rename a File
-------------
.. code:: c
rename(), Function, Partial Implementation
File Characteristics
====================
File Characteristics Header and Data Structure
----------------------------------------------
.. code:: c
struct stat, Type, Implemented
<sys/stat.h> File Types
~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
S_ISBLK(), Function, Implemented
S_ISCHR(), Function, Implemented
S_ISDIR(), Function, Implemented
S_ISFIFO(), Function, Implemented
S_ISREG(), Function, Implemented
S_TYPEISMQ(), Function, Unimplemented
S_TYPEISSEM(), Function, Unimplemented
S_TYPEISSHM(), Function, Unimplemented
<sys/stat.h> File Modes
~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
S_IRWXU, Constant, Implemented
S_IRUSR, Constant, Implemented
S_IWUSR, Constant, Implemented
S_IXUSR, Constant, Implemented
S_IRWXG, Constant, Implemented
S_IRGRP, Constant, Implemented
S_IWGRP, Constant, Implemented
S_IXGRP, Constant, Implemented
S_IRWXO, Constant, Implemented
S_IROTH, Constant, Implemented
S_IWOTH, Constant, Implemented
S_IXOTH, Constant, Implemented
S_ISUID, Constant, Implemented
S_ISGID, Constant, Implemented
<sys/stat.h> Time Entries
~~~~~~~~~~~~~~~~~~~~~~~~~
Get File Status
---------------
.. code:: c
stat(), Function, Implemented
fstat(), Function, Implemented
Check File Accessibility
------------------------
.. code:: c
access(), Function, Implemented
Change File Modes
-----------------
.. code:: c
chmod(), Function, Implemented
fchmod(), Function, Implemented
Change Owner and Group of a File
--------------------------------
.. code:: c
chown(), Function, Implemented
Set File Access and Modification Times
--------------------------------------
.. code:: c
struct utimbuf, Type, Implemented
utime(), Function, Implemented
Truncate a File to a Specified Length
-------------------------------------
.. code:: c
ftruncate(), Function, Implemented
Configurable Pathname Variable
==============================
Get Configurable Pathname Variables
-----------------------------------
.. code:: c
pathconf(), Function, Implemented
fpathconf(), Function, Implemented
_PC_LINK_MAX, Constant, Implemented
_PC_MAX_CANON, Constant, Implemented
_PC_MAX_INPUT, Constant, Implemented
_PC_MAX_INPUT, Constant, Implemented
_PC_NAME_MAX, Constant, Implemented
_PC_PATH_MAX, Constant, Implemented
_PC_PIPE_BUF, Constant, Implemented
_PC_ASYNC_IO, Constant, Implemented
_PC_CHOWN_RESTRICTED, Constant, Implemented
_PC_NO_TRUNC, Constant, Implemented
_PC_PRIO_IO, Constant, Implemented
_PC_SYNC_IO, Constant, Implemented
_PC_VDISABLE, Constant, Implemented
NOTE: The newlib unistd.h and sys/unistd.h are installed and the
include search patch is used to get the right one. There are
conflicts between the newlib unistd.h and RTEMS' version.
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

44
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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
General
#######
Scope
=====
Normative References
====================
Conformance
===========
.. code:: c
NGROUPS_MAX, Feature Flag,
_POSIX_ASYNCHRONOUS_IO, Feature Flag,
_POSIX_CHOWN_RESTRICTED, Feature Flag,
_POSIX_FSYNC, Feature Flag,
_POSIX_JOB_CONTROL, Feature Flag,
_POSIX_MAPPED_FILES, Feature Flag,
_POSIX_MEMLOCK, Feature Flag,
_POSIX_MEMLOCK_RANGE, Feature Flag,
_POSIX_MEMORY_PROTECTION, Feature Flag,
_POSIX_MESSAGE_PASSING, Feature Flag,
_POSIX_PRIORITIZED_IO, Feature Flag,
_POSIX_PRIORITY_SCHEDULING, Feature Flag,
_POSIX_REALTIME_SIGNALS, Feature Flag,
_POSIX_SEMAPHORES, Feature Flag,
_POSIX_SHARED_MEMORY_OBJECTS, Feature Flag,
_POSIX_SYNCHRONIZED_IO, Feature Flag,
_POSIX_TIMERS, Feature Flag,
_POSIX_THREAD_PRIO_INHERIT, Feature Flag,
_POSIX_THREAD_PRIORITY_SCHEDULING, Feature Flag,
_POSIX_THREADS, Feature Flag,
_POSIX_THREAD_SAFE_FUNCTIONS, Feature Flag,
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
================================================
RTEMS POSIX 1003.1 Compliance Guide (|version}).
================================================
COPYRIGHT (c) 1988 - 2015.
On-Line Applications Research Corporation (OAR).
The authors have used their best efforts in preparing
this material. These efforts include the development, research,
and testing of the theories and programs to determine their
effectiveness. No warranty of any kind, expressed or implied,
with regard to the software or the material contained in this
document is provided. No liability arising out of the
application or use of any product described in this document is
assumed. The authors reserve the right to revise this material
and to make changes from time to time in the content hereof
without obligation to notify anyone of such revision or changes.
The RTEMS Project is hosted at http://www.rtems.org. Any
inquiries concerning RTEMS, its related support components, or its
documentation should be directed to the Community Project hosted athttp://www.rtems.org.
Any inquiries for commercial services including training, support, custom
development, application development assistance should be directed tohttp://www.rtems.com.
Table of Contents
-----------------
.. toctree::
preface
.. toctree::
:maxdepth: 3
:numbered:
preface
general
terminology
process_primitives
process_environment
files_and_directories
input_and_output
device_and_class_specific
language_specific_services
system_database
data_interchange_format
synchronization
memory_managment
execution_scheduling
clocks_and_timers
message_passing
thread_managment
thread_specific_data
thread_cancellation
compliance_summary
command
* :ref:`genindex`
* :ref:`search`

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Input and Output Primitives
###########################
Pipes
=====
Create an Inter-Process Channel
-------------------------------
.. code:: c
pipe(), Function, Dummy Implementation
NOTE: pipe() returns ENOSYS.
File Descriptor Manipulation
============================
Duplicate an Open File Descriptor
---------------------------------
.. code:: c
dup(), Function, Implemented
dup2(), Function, Implemented
File Descriptor Deassignment
============================
Close a File
------------
.. code:: c
close(), Function, Implemented
Input and Output
================
Read from a File
----------------
.. code:: c
read(), Function, Implemented
Write to a File
---------------
.. code:: c
write(), Function, Implemented
Control Operations on Files
===========================
Data Definitions for File Control Operations
--------------------------------------------
File Control
------------
.. code:: c
struct flock, Type, Implemented
fcntl(), Function, Implemented
F_DUPFD, Constant, Implemented
F_GETFD, Constant, Implemented
F_GETLK, Constant, Implemented
F_SETFD, Constant, Implemented
F_GETFL, Constant, Implemented
F_SETFL, Constant, Implemented
F_SETLK, Constant, Implemented
F_SETLKW, Constant, Implemented
FD_CLOEXEC, Constant, Implemented
F_RDLCK, Constant, Implemented
F_UNLCK, Constant, Implemented
F_WRLCK, Constant, Implemented
O_ACCMODE, Constant, Implemented
NOTE: A number of constants are used by both ``open`` and ``fcntl``.``O_CREAT``, ``O_EXCL``, ``O_NOCTTY``, ``O_TRUNC``,``O_APPEND``, ``O_DSYNC``, ``O_NONBLOCK``, ``O_RSYNC``,``O_SYNC``, ``O_RDONLY``, ``O_RDWR``, and ``O_WRONLY``
are also included in another section. See `Open a File`_.
Reposition Read/Write File Offset
---------------------------------
.. code:: c
lseek(), Function, Implemented
SEEK_SET, Constant, Implemented
SEEK_CUR, Constant, Implemented
SEEK_END, Constant, Implemented
File Synchronization
====================
Synchronize the State of a File
-------------------------------
.. code:: c
fsync(), Function, Implemented
Synchronize the Data of a File
------------------------------
.. code:: c
fdatasync(), Function, Implemented
Asynchronous Input and Output
=============================
Data Definitions for Asynchronous Input and Output
--------------------------------------------------
Asynchronous I/O Control Block
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
struct aiocb, Type, Untested Implementation
Asynchronous I/O Manifest Constants
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
AIO_CANCELED, Constant, Implemented
AIO_NOTCANCELED, Constant, Implemented
AIO_ALLDONE, Constant, Implemented
LIO_WAIT, Constant, Implemented
LIO_NOWAIT, Constant, Implemented
LIO_READ, Constant, Implemented
LIO_WRITE, Constant, Implemented
LIO_NOP, Constant, Implemented
Asynchronous Read
-----------------
.. code:: c
aio_read(), Function, Dummy Implementation
Asynchronous Write
------------------
.. code:: c
aio_write(), Function, Dummy Implementation
List Directed I/O
-----------------
.. code:: c
lio_listio(), Function, Dummy Implementation
Retrieve Error Status of Asynchronous I/O Operation
---------------------------------------------------
.. code:: c
aio_error(), Function, Dummy Implementation
Retrieve Return Status of Asynchronous I/O Operation
----------------------------------------------------
.. code:: c
aio_return(), Function, Dummy Implementation
Cancel Asynchronous I/O Request
-------------------------------
.. code:: c
aio_cancel(), Function, Dummy Implementation
Wait for Asynchronous I/O Request
---------------------------------
.. code:: c
aio_suspend(), Function, Dummy Implementation
Asynchronous File Synchronization
---------------------------------
.. code:: c
aio_fsync(), Function, Dummy Implementation
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Language-Specific Services for the C Programming Language
#########################################################
Referenced C Language Routines
==============================
ANSI C Section 4.2 - Diagnostics
.. code:: c
assert(), Function, Implemented
ANSI C Section 4.3 - Character Handling
.. code:: c
isalnum(), Function, Implemented
isalpha(), Function, Implemented
iscntrl(), Function, Implemented
isdigit(), Function, Implemented
isgraph(), Function, Implemented
islower(), Function, Implemented
isprint(), Function, Implemented
ispunct(), Function, Implemented
isspace(), Function, Implemented
isupper(), Function, Implemented
isxdigit(), Function, Implemented
tolower(), Function, Implemented
toupper(), Function, Implemented
ANSI C Section 4.4 - Localization
.. code:: c
setlocale(), Function, Implemented
ANSI C Section 4.5 - Mathematics
.. code:: c
acos(), Function, Implemented
asin(), Function, Implemented
atan(), Function, Implemented
atan2(), Function, Implemented
cos(), Function, Implemented
sin(), Function, Implemented
tan(), Function, Implemented
cosh(), Function, Implemented
sinh(), Function, Implemented
tanh(), Function, Implemented
exp(), Function, Implemented
frexp(), Function, Implemented
ldexp(), Function, Implemented
log(), Function, Implemented
log10(), Function, Implemented
modf(), Function, Implemented
pow(), Function, Implemented
sqrt(), Function, Implemented
ceil(), Function, Implemented
fabs(), Function, Implemented
floor(), Function, Implemented
fmod(), Function, Implemented
ANSI C Section 4.6 - Non-Local Jumps
.. code:: c
setjmp(), Function, Implemented
longjmp(), Function, Implemented
ANSI C Section 4.9 - Input/Output
.. code:: c
FILE, Type, Implemented
clearerr(), Function, Implemented
fclose(), Function, Implemented
feof(), Function, Implemented
ferror(), Function, Implemented
fflush(), Function, Implemented
fgetc(), Function, Implemented
fgets(), Function, Implemented
fopen(), Function, Implemented
fputc(), Function, Implemented
fputs(), Function, Implemented
fread(), Function, Implemented
freopen(), Function, Implemented
fseek(), Function, Implemented
ftell(), Function, Implemented
fwrite(), Function, Implemented
getc(), Function, Implemented
getchar(), Function, Implemented
gets(), Function, Implemented
perror(), Function, Implemented
printf(), Function, Implemented
fprintf(), Function, Implemented
sprintf(), Function, Implemented
putc(), Function, Implemented
putchar(), Function, Implemented
puts(), Function, Implemented
remove(), Function, Implemented
rename(), Function, Partial Implementation
rewind(), Function, Implemented
scanf(), Function, Implemented
fscanf(), Function, Implemented
sscanf(), Function, Implemented
setbuf(), Function, Implemented
tmpfile(), Function, Implemented
tmpnam(), Function, Implemented
ungetc(), Function, Implemented
NOTE: ``rename`` is also included in another section. `Rename a File`_.
ANSI C Section 4.10 - General Utilities
.. code:: c
abs(), Function, Implemented
atof(), Function, Implemented
atoi(), Function, Implemented
atol(), Function, Implemented
rand(), Function, Implemented
srand(), Function, Implemented
calloc(), Function, Implemented
free(), Function, Implemented
malloc(), Function, Implemented
realloc(), Function, Implemented
abort(), Function, Implemented
exit(), Function, Implemented
bsearch(), Function, Implemented
qsort(), Function, Implemented
NOTE: ``getenv`` is also included in another section. `Environment Access`_.
ANSI C Section 4.11 - String Handling
.. code:: c
strcpy(), Function, Implemented
strncpy(), Function, Implemented
strcat(), Function, Implemented
strncat(), Function, Implemented
strcmp(), Function, Implemented
strncmp(), Function, Implemented
strchr(), Function, Implemented
strcspn(), Function, Implemented
strpbrk(), Function, Implemented
strrchr(), Function, Implemented
strspn(), Function, Implemented
strstr(), Function, Implemented
strtok(), Function, Implemented
strlen(), Function, Implemented
ANSI C Section 4.12 - Date and Time Handling
.. code:: c
asctime(), Function, Implemented
ctime(), Function, Implemented
gmtime(), Function, Implemented
localtime(), Function, Implemented
mktime(), Function, Implemented
strftime(), Function, Implemented
NOTE: RTEMS has no notion of time zones.
NOTE: ``time`` is also included in another section. `Get System Time`_.
From Surrounding Text
.. code:: c
EXIT_SUCCESS, Constant, Implemented
EXIT_FAILURE, Constant, Implemented
Extensions to Time Functions
----------------------------
Extensions to setlocale Function
--------------------------------
.. code:: c
LC_CTYPE, Constant, Implemented
LC_COLLATE, Constant, Implemented
LC_TIME, Constant, Implemented
LC_NUMERIC, Constant, Implemented
LC_MONETARY, Constant, Implemented
LC_ALL, Constant, Implemented
C Language Input/Output Functions
=================================
Map a Stream Pointer to a File Descriptor
-----------------------------------------
.. code:: c
fileno(), Function, Implemented
STDIN_FILENO, Constant, Implemented
STDOUT_FILENO, Constant, Implemented
STDERR_FILENO, Constant, Implemented
Open a Stream on a File Descriptor
----------------------------------
.. code:: c
fdopen(), Function, Implemented
Interactions of Other FILE-Type C Functions
-------------------------------------------
Operations on Files - the remove Function
-----------------------------------------
Temporary File Name - the tmpnam Function
-----------------------------------------
Stdio Locking Functions
-----------------------
.. code:: c
flockfile(), Function, Unimplemented
ftrylockfile(), Function, Unimplemented
funlockfile(), Function, Unimplemented
Stdio With Explicit Client Locking
----------------------------------
.. code:: c
getc_unlocked(), Function, Unimplemented
getchar_unlocked(), Function, Unimplemented
putc_unlocked(), Function, Unimplemented
putchar_unlocked(), Function, Unimplemented
Other C Language Functions
==========================
Nonlocal Jumps
--------------
.. code:: c
sigjmp_buf, Type, Implemented
sigsetjmp(), Function, Implemented
siglongjmp(), Function, Implemented
Set Time Zone
-------------
.. code:: c
tzset(), Function, Unimplemented
Find String Token
-----------------
.. code:: c
strtok_r(), Function, Implemented
ASCII Time Representation
-------------------------
.. code:: c
asctime_r(), Function, Implemented
Current Time Representation
---------------------------
.. code:: c
ctime_r(), Function, Implemented
Coordinated Universal Time
--------------------------
.. code:: c
gmtime_r(), Function, Implemented
Local Time
----------
.. code:: c
localtime_r(), Function, Implemented
Pseudo-Random Sequence Generation Functions
-------------------------------------------
.. code:: c
rand_r(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Memory Management
#################
Memory Locking Functions
========================
Lock/Unlock the Address Space of a Process
------------------------------------------
.. code:: c
mlockall(), Function, Unimplemented
munlockall(), Function, Unimplemented
MCL_CURRENT, Constant, Unimplemented
MCL_FUTURE, Constant, Unimplemented
Lock/Unlock a Rand of Process Address Space
-------------------------------------------
.. code:: c
mlock(), Function, Unimplemented
munlock(), Function, Unimplemented
Memory Mapping Functions
========================
Map Process Addresses to a Memory Object
----------------------------------------
.. code:: c
mmap(), Function, Implemented
PROT_READ, Constant, Implemented
PROT_WRITE, Constant, Implemented
PROT_EXEC, Constant, Implemented
PROT_NONE, Constant, Implemented
MAP_SHARED, Constant, Implemented
MAP_PRIVATE, Constant, Implemented
MAP_FIXED, Constant, Implemented
Unmap Previously Mapped Addresses
---------------------------------
.. code:: c
munmap(), Function, Implemented
Change Memory Protection
------------------------
.. code:: c
mprotect(), Function, Unimplemented
Memory Object Synchronization
-----------------------------
.. code:: c
msync(), Function, Unimplemented, Unimplemented
MS_ASYNC, Constant, Unimplemented
MS_SYNC, Constant, Unimplemented
MS_INVALIDATE, Constant, Unimplemented
Shared Memory Functions
=======================
Open a Shared Memory Object
---------------------------
.. code:: c
shm_open(), Function, Implemented
Remove a Shared Memory Object
-----------------------------
.. code:: c
shm_unlink(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Message Passing
###############
Data Definitions for Message Queues
===================================
Data Structures
---------------
NOTE: Semaphores are implemented but only unnamed semaphores
are currently tested.
.. code:: c
mqd_t, Type, Implemented
struct mq_attr, Type, Implemented
Message Passing Functions
=========================
Open a Message Queue
--------------------
.. code:: c
mq_open(), Function, Implemented
Close a Message Queue
---------------------
.. code:: c
mq_close(), Function, Implemented
Remove a Message Queue
----------------------
.. code:: c
mq_unlink(), Function, Implemented
Send a Message to a Message Queue
---------------------------------
.. code:: c
mq_send(), Function, Implemented
Receive a Message From a Message Queue
--------------------------------------
.. code:: c
mq_receive(), Function, Implemented
Notify Process That a Message is Available on a Queue
-----------------------------------------------------
.. code:: c
mq_notify(), Function, Implemented
Set Message Queue Attributes
----------------------------
.. code:: c
mq_setattr(), Function, Implemented
Get Message Queue Attributes
----------------------------
.. code:: c
mq_getattr(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
=======
Preface
=======
This document lists the functions, constant, macros, feature flags,
and types defined in the POSIX 1003.1 standard. Each section in
this document corresponds to a section in the 1003.1 standard
and the implementation status of the items required by the standard
are listed.
RTEMS supports a number of POSIX process, user, and group oriented
routines in what is referred to as a "SUSP" (Single-User, Single
Process) manner. RTEMS supports a single process, multithreaded
POSIX 1003.1b environment. In a pure world, there would be
no reason to even include routines like ``getpid()`` when there
can only be one process. But providing routines like ``getpid()``
and making them work in a sensible fashion for an embedded environment
while not returning ENOSYS (for not implemented) makes it significantly
easier to port code from a UNIX environment without modifying it.
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Process Environment
###################
Process Identification
======================
Get Process and Parent Process IDs
----------------------------------
.. code:: c
getpid(), Function, Implemented, SUSP Functionality
getppid(), Function, Implemented, SUSP Functionality
User Identification
===================
Get Real User Effective User Real Group and Effective Group IDs
---------------------------------------------------------------
.. code:: c
getuid(), Function, Implemented, SUSP Functionality
geteuid(), Function, Implemented, SUSP Functionality
getgid(), Function, Implemented, SUSP Functionality
getegid(), Function, Implemented, SUSP Functionality
Set User and Group IDs
----------------------
.. code:: c
setuid(), Function, Implemented, SUSP Functionality
setgid(), Function, Implemented, SUSP Functionality
Get Supplementary Group IDs
---------------------------
.. code:: c
getgroups(), Function, Implemented, SUSP Functionality
Get User Name
-------------
.. code:: c
getlogin(), Function, Implemented, SUSP Functionality
getlogin_r(), Function, Implemented, SUSP Functionality
Process Groups
==============
Get Process Group ID
--------------------
.. code:: c
getpgrp(), Function, Implemented, SUSP Functionality
Create Session and Set Process Group ID
---------------------------------------
.. code:: c
setsid(), Function, Implemented, SUSP Functionality
Set Process Group ID for Job Control
------------------------------------
.. code:: c
setpgid(), Function, Dummy Implementation
System Identification
=====================
Get System Name
---------------
.. code:: c
struct utsname, Type, Implemented
uname(), Function, Implemented
Time
====
Get System Time
---------------
.. code:: c
time(), Function, Implemented
Get Process Times
-----------------
.. code:: c
struct tms, Type, Implemented
times(), Function, Implemented
NOTE: ``times`` always returns 0 for tms_stime, tms_cutime, and
tms_cstime fields of the ``struct tms`` returned.
Environment Variables
=====================
Environment Access
------------------
.. code:: c
getenv(), Function, Implemented
Terminal Identification
=======================
Generate Terminal Pathname
--------------------------
.. code:: c
ctermid(), Function, Implemented
Determine Terminal Device Name
------------------------------
.. code:: c
ttyname(), Function, Implemented, untested
ttyname_r(), Function, Implemented, untested
isatty(), Function, Implemented
Configurable System Variables
=============================
Get Configurable System Variables
---------------------------------
.. code:: c
sysconf(), Function, Dummy Implementation
_SC_AIO_LISTIO_MAX, Constant, Implemented
_SC_AIO_MAX, Constant, Implemented
_SC_AIO_PRIO_DELTA_MAX, Constant, Implemented
_SC_ARG_MAX, Constant, Implemented
_SC_CHILD_MAX, Constant, Implemented
_SC_CLK_TCK, Constant, Implemented
CLK_TCK, Constant, Implemented
_SC_DELAYTIMER_MAX, Constant, Implemented
_SC_GETGR_R_SIZE_MAX, Constant, Implemented
_SC_GETPW_R_SIZE_MAX, Constant, Implemented
_SC_LOGIN_NAME_MAX, Constant, Implemented
_SC_MQ_OPEN_MAX, Constant, Implemented
_SC_MQ_PRIO_MAX, Constant, Implemented
_SC_NGROUPS_MAX, Constant, Implemented
_SC_OPEN_MAX, Constant, Implemented
_SC_PAGESIZE, Constant, Implemented
_SC_RTSIG_MAX, Constant, Implemented
_SC_SEM_NSEMS_MAX, Constant, Implemented
_SC_SEM_VALUE_MAX, Constant, Implemented
_SC_SIGQUEUE_MAX, Constant, Implemented
_SC_STREAM_MAX, Constant, Implemented
_SC_THREAD_DESTRUCTOR_ITERATIONS, Constant, Implemented
_SC_THREAD_KEYS_MAX, Constant, Implemented
_SC_THREAD_STACK_MIN, Constant, Implemented
_SC_THREAD_THREADS_MAX, Constant, Implemented
_SC_TIMER_MAX, Constant, Implemented
_SC_TTY_NAME_MAX, Constant, Implemented
_SC_TZNAME_MAX, Constant, Implemented
_SC_ASYNCHRONOUS_IO, Constant, Implemented
_SC_FSYNC, Constant, Implemented
_SC_JOB_CONROL, Constant, Implemented
_SC_MAPPED_FILES, Constant, Implemented
_SC_MEMLOCK, Constant, Implemented
_SC_MEMLOCK_RANGE, Constant, Implemented
_SC_MEMORY_PROTECTION, Constant, Implemented
_SC_MESSAGE_PASSING, Constant, Implemented
_SC_PRIORITIZED_IO, Constant, Implemented
_SC_PRIORITY_SCHEDULING, Constant, Unimplemented
_SC_REALTIME_SIGNALS, Constant, Implemented
_SC_SAVED_IDS, Constant, Implemented
_SC_SEMAPHORES, Constant, Implemented
_SC_SHARED_MEMORY_OBJECTS, Constant, Implemented
_SC_SYNCHRONIZED_IO, Constant, Implemented
_SC_TIMERS, Constant, Implemented
_SC_THREADS, Constant, Implemented
_SC_THREAD_ATTR_STACKADDR, Constant, Implemented
_SC_THREAD_ATTR_STACKSIZE, Constant, Implemented
_SC_THREAD_PRIORITY_SCHEDULING, Constant, Implemented
_SC_THREAD_PRIO_INHERIT, Constant, Implemented
_SC_THREAD_PRIO_PROTECT, Constant, Unimplemented
_SC_THREAD_PROCESS_SHARED, Constant, Implemented
_SC_THREAD_SAFE_FUNCTIONS, Constant, Implemented
_SC_VERSION, Constant, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Process Primitives
##################
Process Creation and Execution
==============================
Process Creation
----------------
.. code:: c
fork(), Function, Unimplementable, Requires Processes
Execute a File
--------------
.. code:: c
execl(), Function, Unimplementable, Requires Processes
execv(), Function, Unimplementable, Requires Processes
execle(), Function, Unimplementable, Requires Processes
execve(), Function, Unimplementable, Requires Processes
execlp(), Function, Unimplementable, Requires Processes
execvp(), Function, Unimplementable, Requires Processes
Register Fork Handlers
----------------------
.. code:: c
pthread_atfork(), Function, Unimplementable, Requires Processes
Process Termination
===================
Wait for Process Termination
----------------------------
.. code:: c
wait(), Function, Unimplementable, Requires Processes
waitpid(), Function, Unimplementable, Requires Processes
WNOHANG, Constant, Unimplementable, Requires Processes
WUNTRACED, Constant, Unimplementable, Requires Processes
WIFEXITED(), Function, Unimplementable, Requires Processes
WEXITSTATUS(), Function, Unimplementable, Requires Processes
WIFSIGNALED(), Function, Unimplementable, Requires Processes
WTERMSIG(), Function, Unimplementable, Requires Processes
WIFSTOPPED(), Function, Unimplementable, Requires Processes
WSTOPSIG(), Function, Unimplementable, Requires Processes
Terminate a Process
-------------------
.. code:: c
_exit(), Function, Implemented
Signals
=======
Signal Concepts
---------------
Signal Names
~~~~~~~~~~~~
.. code:: c
sigset_t, Type, Implemented
SIG_DFL, Constant, Implemented
SIG_IGN, Constant, Implemented
SIG_ERR, Constant, Implemented
SIGABRT, Constant, Implemented
SIGALRM, Constant, Implemented
SIGFPE, Constant, Implemented
SIGHUP, Constant, Implemented
SIGILL, Constant, Implemented
SIGINT, Constant, Implemented
SIGKILL, Constant, Implemented
SIGPIPE, Constant, Implemented
SIGQUIT, Constant, Implemented
SIGSEGV, Constant, Implemented
SIGTERM, Constant, Implemented
SIGUSR1, Constant, Implemented
SIGUSR2, Constant, Implemented
SIGCHLD, Constant, Unimplemented
SIGCONT, Constant, Unimplemented
SIGSTOP, Constant, Unimplemented
SIGTSTP, Constant, Unimplemented
SIGTTIN, Constant, Unimplemented
SIGTTOU, Constant, Unimplemented
SIGBUS, Constant, Implemented
SIGRTMIN, Constant, Implemented
SIGRTMAX, Constant, Implemented
NOTE: SIG_ERR is technically an extension to the C Library which is
not documented anywhere else according to the index.
Signal Generation and Delivery
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. code:: c
struct sigevent, Type, Implemented
union sigval, Type, Implemented
SIGEV_NONE, Constant, Implemented
SIGEV_SIGNAL, Constant, Implemented
SIGEV_THREAD, Constant, Implemented
Signal Actions
~~~~~~~~~~~~~~
.. code:: c
siginfo_t, Type, Implemented
SI_USER, Constant, Implemented
SI_QUEUE, Constant, Implemented
SI_TIMER, Constant, Implemented
SI_ASYNCIO, Constant, Implemented
SI_MESGQ, Constant, Implemented
Send a Signal to a Process
--------------------------
.. code:: c
kill(), Function, Implemented
Manipulate Signal Sets
----------------------
.. code:: c
sigemptyset(), Function, Implemented
sigfillset(), Function, Implemented
sigaddset(), Function, Implemented
sigdelset(), Function, Implemented
sigismember(), Function, Implemented
Examine and Change Signal Action
--------------------------------
.. code:: c
sigaction(), Function, Implemented
sigaction, Type, Implemented
SA_NOCLDSTOP, Constant, Implemented
SA_SIGINFO, Constant, Implemented
Examine and Change Blocked Signals
----------------------------------
.. code:: c
pthread_sigmask(), Function, Implemented
sigprocmask(), Function, Implemented
SIG_BLOCK, Constant, Implemented
SIG_UNBLOCK, Constant, Implemented
SIG_SETMASK, Constant, Implemented
Examine Pending Signals
-----------------------
.. code:: c
sigpending(), Function, Implemented
Wait for a Signal
-----------------
.. code:: c
sigsuspend(), Function, Implemented
Synchronously Accept a Signal
-----------------------------
.. code:: c
sigwait(), Function, Implemented
sigwaitinfo(), Function, Implemented
sigtimedwait(), Function, Implemented
Queue a Signal to a Process
---------------------------
.. code:: c
sigqueue(), Function, Implemented
Send a Signal to a Thread
-------------------------
.. code:: c
pthread_kill(), Function, Implemented
Timer Operations
================
Schedule Alarm
--------------
.. code:: c
alarm(), Function, Implemented
Suspend Process Execution
-------------------------
.. code:: c
pause(), Function, Implemented
Delay Process Execution
-----------------------
.. code:: c
sleep(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Synchronization
###############
Semaphore Characteristics
=========================
NOTE: Semaphores are implemented but only unnamed semaphores
are currently tested.
.. code:: c
sem_t, Type, Implemented
Semaphore Functions
===================
Initialize an Unnamed Semaphore
-------------------------------
.. code:: c
sem_init(), Function, Implemented
SEM_FAILED, Constant, Implemented
Destroy an Unnamed Semaphore
----------------------------
.. code:: c
sem_destroy(), Function, Implemented
Initialize/Open a Named Semaphore
---------------------------------
.. code:: c
sem_open(), Function, Implemented
Close a Named Semaphore
-----------------------
.. code:: c
sem_close(), Function, Implemented
Remove a Named Semaphore
------------------------
.. code:: c
sem_unlink(), Function, Implemented
Lock a Semaphore
----------------
.. code:: c
sem_wait(), Function, Implemented
sem_trywait(), Function, Implemented
Unlock a Semaphore
------------------
.. code:: c
sem_post(), Function, Implemented
Get the Value of a Semaphore
----------------------------
.. code:: c
sem_getvalue(), Function, Implemented
Mutexes
=======
Mutex Initialization Attributes
-------------------------------
.. code:: c
pthread_mutexattr_init(), Function, Implemented
pthread_mutexattr_destroy(), Function, Implemented
pthread_mutexattr_getpshared(), Function, Implemented
pthread_mutexattr_setpshared(), Function, Implemented
PTHREAD_PROCESS_SHARED, Constant, Implemented
PTHREAD_PROCESS_PRIVATE, Constant, Implemented
Initializing and Destroying a Mutex
-----------------------------------
.. code:: c
pthread_mutex_init(), Function, Implemented
pthread_mutex_destroy(), Function, Implemented
PTHREAD_MUTEX_INITIALIZER, Constant, Implemented
Locking and Unlocking a Mutex
-----------------------------
.. code:: c
pthread_mutex_lock(), Function, Implemented
pthread_mutex_trylock(), Function, Implemented
pthread_mutex_unlock(), Function, Implemented
Condition Variables
===================
Condition Variable Initialization Attributes
--------------------------------------------
.. code:: c
pthread_condattr_init(), Function, Implemented
pthread_condattr_destroy(), Function, Implemented
pthread_condattr_getpshared(), Function, Implemented
pthread_condattr_setpshared(), Function, Implemented
Initialization and Destroying Condition Variables
-------------------------------------------------
.. code:: c
pthread_cond_init(), Function, Implemented
pthread_cond_destroy(), Function, Implemented
PTHREAD_COND_INITIALIZER, Constant, Implemented
Broadcasting and Signaling a Condition
--------------------------------------
.. code:: c
pthread_cond_signal(), Function, Implemented
pthread_cond_broadcast(), Function, Implemented
Waiting on a Condition
----------------------
.. code:: c
pthread_cond_wait(), Function, Implemented
pthread_cond_timedwait(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
System Databases
################
System Databases Section
========================
Database Access
===============
Group Database Access
---------------------
.. code:: c
struct group, Type, Implemented
getgrgid(), Function, Implemented
getgrgid_r(), Function, Implemented
getgrname(), Function, Implemented
getgrnam_r(), Function, Implemented
NOTE: Creates /etc/group if none exists.
User Database Access
--------------------
.. code:: c
struct passwd, Type, Implemented
getpwuid(), Function, Implemented
getpwuid_r(), Function, Implemented
getpwnam(), Function, Implemented
getpwnam_r(), Function, Implemented
NOTE: Creates /etc/passwd if none exists.
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Terminology and General Requirements
####################################
Conventions
===========
Definitions
===========
General Concepts
================
Error Numbers
=============
.. code:: c
E2BIG, Constant, Implemented
EACCES, Constant, Implemented
EAGAIN, Constant, Implemented
EBADF, Constant, Implemented
EBADMSG, Constant, Implemented
EBUSY, Constant, Implemented
ECANCELED, Constant, Unimplemented
ECHILD, Constant, Implemented
EDEADLK, Constant, Implemented
EDOM, Constant, Implemented
EEXIST, Constant, Implemented
EFAULT, Constant, Implemented
EFBIG, Constant, Implemented
EINPROGRESS, Constant, Implemented
EINTR, Constant, Implemented
EINVAL, Constant, Implemented
EIO, Constant, Implemented
EISDIR, Constant, Implemented
EMFILE, Constant, Implemented
EMLINK, Constant, Implemented
EMSGSIZE, Constant, Implemented
ENAMETOOLONG, Constant, Implemented
ENFILE, Constant, Implemented
ENODEV, Constant, Implemented
ENOENT, Constant, Implemented
ENOEXEC, Constant, Implemented
ENOLCK, Constant, Implemented
ENOMEM, Constant, Implemented
ENOSPC, Constant, Implemented
ENOSYS, Constant, Implemented
ENOTDIR, Constant, Implemented
ENOTEMPTY, Constant, Implemented
ENOTSUP, Constant, Implemented
ENOTTY, Constant, Implemented
ENXIO, Constant, Implemented
EPERM, Constant, Implemented
EPIPE, Constant, Implemented
ERANGE, Constant, Implemented
EROFS, Constant, Implemented
ESPIPE, Constant, Implemented
ESRCH, Constant, Implemented
ETIMEDOUT, Constant, Implemented
EXDEV, Constant, Implemented
Primitive System Types
======================
.. code:: c
dev_t, Type, Implemented
gid_t, Type, Implemented
ino_t, Type, Implemented
mode_t, Type, Implemented
nlink_t, Type, Implemented
off_t, Type, Implemented
pid_t, Type, Implemented
pthread_t, Type, Implemented
pthread_attr_t, Type, Implemented
pthread_mutex_t, Type, Implemented
pthread_mutex_attr_t, Type, Implemented
pthread_cond_t, Type, Implemented
pthread_cond_attr_t, Type, Implemented
pthread_key_t, Type, Implemented
pthread_once_t, Type, Implemented
size_t, Type, Implemented
ssize_t, Type, Implemented
time_t, Type, Implemented
uid_t, Type, Implemented
NOTE: time_t is not listed in this section but is used by many functions.
Environment Description
=======================
C Language Definitions
======================
Symbols From the C Standard
---------------------------
.. code:: c
NULL, Constant, Implemented
POSIX.1 Symbols
---------------
.. code:: c
_POSIX_C_SOURCE, Feature Flag,
Numerical Limits
================
C Language Limits
=================
.. code:: c
CHAR_BIT, Constant, Implemented
CHAR_MAX, Constant, Implemented
CHAR_MIN, Constant, Implemented
INT_MAX, Constant, Implemented
INT_MIN, Constant, Implemented
LONG_MAX, Constant, Implemented
LONG_MIN, Constant, Implemented
MB_LEN_MAX, Constant, Implemented
SCHAR_MAX, Constant, Implemented
SCHAR_MIN, Constant, Implemented
SHRT_MAX, Constant, Implemented
SHRT_MIN, Constant, Implemented
UCHAR_MAX, Constant, Implemented
UINT_MAX, Constant, Implemented
ULONG_MAX, Constant, Implemented
USHRT_MAX, Constant, Implemented
NOTE: These are implemented in GCC's limits.h file.
Minimum Values
--------------
.. code:: c
_POSIX_AIO_LISTIO_MAX, Constant, Implemented
_POSIX_AIO_MAX, Constant, Implemented
_POSIX_ARG_MAX, Constant, Implemented
_POSIX_CHILD_MAX, Constant, Implemented
_POSIX_DELAYTIMER_MAX, Constant, Implemented
_POSIX_LINK_MAX, Constant, Implemented
_POSIX_LOGIN_NAME_MAX, Constant, Implemented
_POSIX_MAX_CANON, Constant, Implemented
_POSIX_MAX_INPUT, Constant, Implemented
_POSIX_MQ_OPEN_MAX, Constant, Implemented
_POSIX_MQ_PRIO_MAX, Constant, Implemented
_POSIX_NAME_MAX, Constant, Implemented
_POSIX_NGROUPS_MAX, Constant, Implemented
_POSIX_OPEN_MAX, Constant, Implemented
_POSIX_PATH_MAX, Constant, Implemented
_POSIX_PIPE_BUF, Constant, Implemented
_POSIX_RTSIG_MAX, Constant, Implemented
_POSIX_SEM_NSEMS_MAX, Constant, Implemented
_POSIX_SEM_VALUE_MAX, Constant, Implemented
_POSIX_SIGQUEUE_MAX, Constant, Implemented
_POSIX_SSIZE_MAX, Constant, Implemented
_POSIX_STREAM_MAX, Constant, Implemented
_POSIX_THREAD_DESTRUCTOR_ITERATIONS, Constant, Implemented
_POSIX_THREAD_KEYS_MAX, Constant, Implemented
_POSIX_THREAD_THREADS_MAX, Constant, Implemented
_POSIX_TTY_NAME_MAX, Constant, Implemented
_POSIX_TIME_MAX, Constant, Unimplemented
_POSIX_TZNAME_MAX, Constant, Implemented
Run-Time Increasable Values
---------------------------
.. code:: c
_POSIX_NGROUPS_MAX, Constant, Implemented
Run-Time Invariant Values (Possible Indeterminate)
--------------------------------------------------
.. code:: c
AIO_LISTIO_MAX, Constant, Implemented
AIO_MAX, Constant, Implemented
AIO_PRIO_DELTA_MAX, Constant, Implemented
ARG_MAX, Constant, Implemented
CHILD_MAX, Constant, Implemented
DELAYTIMER_MAX, Constant, Implemented
LOGIN_NAME_MAX, Constant, Implemented
MQ_OPEN_MAX, Constant, Implemented
OPEN_MAX, Constant, Implemented
PAGESIZE, Constant, Implemented
PTHREAD_DESTRUCTOR_ITERATIONS, Constant, Implemented
PTHREAD_KEYS_MAX, Constant, Implemented
PTHREAD_STACK_MIN, Constant, Implemented
PTHJREAD_THREADS_MAX, Constant, Implemented
RTSIG_MAX, Constant, Implemented
SEM_NSEMS_MAX, Constant, Implemented
SEM_VALUE_MAX, Constant, Implemented
SIGQUEUE_MAX, Constant, Implemented
STREAM_MAX, Constant, Implemented
TIMER_MAX, Constant, Implemented
TTY_NAME_MAX, Constant, Implemented
TZNAME_MAX, Constant, Implemented
Pathname Variable Values
------------------------
.. code:: c
LINK_MAX, Constant, Implemented
MAX_CANON, Constant, Implemented
MAX_INPUT, Constant, Implemented
NAME_MAX, Constant, Implemented
PATH_MAX, Constant, Implemented
PIPE_BUF, Constant, Implemented
Invariant Values
----------------
.. code:: c
SSIZE_MAX, Constant, Implemented
Maximum Values
--------------
.. code:: c
_POSIX_CLOCKRES_MIN, Constant, Implemented
Symbolic Constants
==================
Symbolic Constants for the access Function
------------------------------------------
.. code:: c
R_OK, Constant, Implemented
W_OK, Constant, Implemented
X_OK, Constant, Implemented
F_OK, Constant, Implemented
Symbolic Constants for the lseek Function
-----------------------------------------
.. code:: c
SEEK_SET, Constant, Implemented
SEEK_CUR, Constant, Implemented
SEEK_END, Constant, Implemented
Compile-Time Symbolic Constants for Portability Specifications
--------------------------------------------------------------
.. code:: c
_POSIX_ASYNCHRONOUS_IO, Feature Flag,
_POSIX_FSYNC, Feature Flag,
_POSIX_JOB_CONTROL, Feature Flag,
_POSIX_MAPPED_FILES, Feature Flag,
_POSIX_MEMLOCK, Feature Flag,
_POSIX_MEMLOCK_RANGE, Feature Flag,
_POSIX_MEMORY_PROTECTION, Feature Flag,
_POSIX_MESSAGE_PASSING, Feature Flag,
_POSIX_PRIORITIZED_IO, Feature Flag,
_POSIX_PRIORITY_SCHEDULING, Feature Flag,
_POSIX_REALTIME_SIGNALS, Feature Flag,
_POSIX_SAVED_IDS, Feature Flag,
_POSIX_SEMAPHORES, Feature Flag,
_POSIX_SHARED_MEMORY_OBJECTS, Feature Flag,
_POSIX_SYNCHRONIZED_IO, Feature Flag,
_POSIX_THREADS, Feature Flag,
_POSIX_THREAD_ATTR_STACKADDR, Feature Flag,
_POSIX_THREAD_ATTR_STACKSIZE, Feature Flag,
_POSIX_THREAD_PRIORITY_SCHEDULING, Feature Flag,
_POSIX_THREAD_PRIO_INHERIT, Feature Flag,
_POSIX_THREAD_PRIO_CEILING, Feature Flag,
_POSIX_THREAD_PROCESS_SHARED, Feature Flag,
_POSIX_THREAD_SAFE_FUNCTIONS, Feature Flag,
_POSIX_TIMERS, Feature Flag,
_POSIX_VERSION, Feature Flag,
Execution-Time Symbolic Constants for Portability Specifications
----------------------------------------------------------------
.. code:: c
_POSIX_ASYNC_IO, Feature Flag,
_POSIX_CHOWN_RESTRICTED, Feature Flag,
_POSIX_NO_TRUNC, Feature Flag,
_POSIX_PRIO_IO, Feature Flag,
_POSIX_SYNC_IO, Feature Flag,
_POSIX_VDISABLE, Feature Flag,
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

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.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Thread Cancellation
###################
Thread Cancellation Overview
============================
Cancelability States
--------------------
.. code:: c
PTHREAD_CANCEL_DISABLE, Constant, Implemented
PTHREAD_CANCEL_ENABLE, Constant, Implemented
PTHREAD_CANCEL_ASYNCHRONOUS, Constant, Implemented
PTHREAD_CANCEL_DEFERRED, Constant, Implemented
Cancellation Points
-------------------
Thread Cancellation Cleanup Handlers
------------------------------------
.. code:: c
PTHREAD_CANCELED, Constant, Unimplemented
Async-Cancel Safety
-------------------
Thread Cancellation Functions
=============================
Canceling Execution of a Thread
-------------------------------
.. code:: c
pthread_cancel(), Function, Implemented
Setting Cancelability State
---------------------------
.. code:: c
pthread_setcancelstate(), Function, Implemented
pthread_setcanceltype(), Function, Implemented
pthread_testcancel(), Function, Implemented
Establishing Cancellation Handlers
----------------------------------
.. code:: c
pthread_cleanup_push(), Function, Implemented
pthread_cleanup_pop(), Function, Implemented
Language-Independent Cancellation Functionality
===============================================
Requesting Cancellation
-----------------------
Associating Cleanup Code With Scopes
------------------------------------
Controlling Cancellation Within Scopes
--------------------------------------
Defined Cancellation Sequence
-----------------------------
List of Cancellation Points
---------------------------
.. COMMENT: DO NOT EDIT - AUTOMATICALLY GENERATED!!!

83
posix1003-1/thread_managment.rst
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@ -1,83 +0,0 @@
.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Thread Management
#################
Threads
=======
Thread Functions
================
Thread Creation Attributes
--------------------------
.. code:: c
pthread_attr_init(), Function, Implemented
pthread_attr_destroy(), Function, Implemented
pthread_attr_setstacksize(), Function, Implemented
pthread_attr_getstacksize(), Function, Implemented
pthread_attr_setstackaddr(), Function, Implemented
pthread_attr_getstackaddr(), Function, Implemented
pthread_attr_setdetachstate(), Function, Implemented
pthread_attr_getdetachstate(), Function, Implemented
PTHREAD_CREATE_JOINABLE, Constant, Implemented
PTHREAD_CREATE_DETACHED, Constant, Implemented
Thread Creation
---------------
.. code:: c
pthread_create(), Function, Implemented
Wait for Thread Termination
---------------------------
.. code:: c
pthread_join(), Function, Implemented
Detaching a Thread
------------------
.. code:: c
pthread_detach(), Function, Implemented
Thread Termination
------------------
.. code:: c
pthread_exit(), Function, Implemented
Get Thread ID
-------------
.. code:: c
pthread_self(), Function, Implemented
Compare Thread IDs
------------------
.. code:: c
pthread_equal(), Function, Implemented
Dynamic Package Initialization
------------------------------
.. code:: c
pthread_once(), Function, Implemented
PTHREAD_ONCE_INIT, Constant, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

36
posix1003-1/thread_specific_data.rst
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@ -1,36 +0,0 @@
.. comment SPDX-License-Identifier: CC-BY-SA-4.0
Thread-Specific Data
####################
Thread-Specific Data Functions
==============================
Thread-Specific Data Key Creation
---------------------------------
.. code:: c
pthread_key_create(), Function, Implemented
Thread-Specific Data Management
-------------------------------
.. code:: c
pthread_key_setspecific(), Function, Implemented
pthread_key_getspecific(), Function, Implemented
Thread-Specific Data Key Deletion
---------------------------------
.. code:: c
pthread_key_delete(), Function, Implemented
.. COMMENT: COPYRIGHT (c) 1988-2002.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.

1
wscript
View File

@ -16,6 +16,7 @@ build_all = ['user',
'c-user',
'bsp-howto',
'posix-users',
'posix-compliance',
'filesystem',
'networking',
'shell',