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devfs: Create path.

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This commit is contained in:
Christian Mauderer 2016-08-16 08:52:06 +02:00 committed by Sebastian Huber
parent ab7739a574
commit 6634edbee8
2 changed files with 44 additions and 6 deletions
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35
rtemsbsd/sys/fs/devfs/devfs_devs.c
View File

@ -36,6 +36,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sys/file.h> #include <sys/file.h>
#include <sys/malloc.h>
#include <unistd.h> #include <unistd.h>
#include <sys/conf.h> #include <sys/conf.h>
@ -228,7 +229,7 @@ devfs_alloc(int flags)
{ {
struct cdev *cdev; struct cdev *cdev;
cdev = malloc(sizeof *cdev); cdev = malloc(sizeof *cdev, M_TEMP, 0);
if (cdev == NULL) if (cdev == NULL)
return (NULL); return (NULL);
@ -243,7 +244,33 @@ devfs_alloc(int flags)
void void
devfs_free(struct cdev *cdev) devfs_free(struct cdev *cdev)
{ {
free(cdev); free(cdev, M_TEMP);
}
/*
* Create the directory for a device.
* Note: This don't uses dirname() because this function is not defined thread
* save in POSIX.
*/
static void
devfs_create_directory(const char *devname)
{
char *dir = NULL;
char *lastsep = NULL;
int rv;
mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
dir = strdup(devname, M_TEMP);
BSD_ASSERT(dir != NULL);
lastsep = strrchr(dir, '/');
if(lastsep != NULL) {
*lastsep = 0;
rv = rtems_mkdir(dir, mode);
BSD_ASSERT(rv == 0);
}
free(dir, M_TEMP);
} }
/* /*
@ -258,6 +285,8 @@ devfs_create(struct cdev *dev)
int rv; int rv;
mode_t mode = S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO; mode_t mode = S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO;
devfs_create_directory(dev->si_path);
rv = IMFS_make_generic_node(dev->si_path, mode, &devfs_imfs_control, rv = IMFS_make_generic_node(dev->si_path, mode, &devfs_imfs_control,
dev); dev);
BSD_ASSERT(rv == 0); BSD_ASSERT(rv == 0);
@ -270,6 +299,8 @@ devfs_destroy(struct cdev *dev)
rv = unlink(dev->si_path); rv = unlink(dev->si_path);
BSD_ASSERT(rv == 0); BSD_ASSERT(rv == 0);
/* FIXME: Check if directory is empty and remove it. */
} }
int int

15
testsuite/cdev01/test_main.c
View File

@ -40,18 +40,24 @@
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <poll.h> #include <poll.h>
#include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h>
#include <unistd.h> #include <unistd.h>
#include "test_cdev01.h" #include "test_cdev01.h"
#define TEST_NAME "LIBBSD CDEV 1" #define TEST_NAME "LIBBSD CDEV 1"
static void test_cdev(void) static void test_cdev(const char *path)
{ {
const char *name = "test";
const char *path = "/dev/test";
const struct timespec *timeout = NULL; const struct timespec *timeout = NULL;
const char *name;
/* Remove leading "/dev/" and use the rest as a name. */
name = path + sizeof("/dev/") - 1;
printf("Test creating a cdev named \"%s\" at \"%s\".\n", name, path);
test_state state = TEST_NEW; test_state state = TEST_NEW;
int rv = 0; int rv = 0;
@ -131,7 +137,8 @@ static void test_cdev(void)
static void static void
test_main(void) test_main(void)
{ {
test_cdev(); test_cdev("/dev/test");
test_cdev("/dev/some/sub/dir/somedev");
exit(0); exit(0);
} }