mirror of
https://git.rtems.org/rtems-libbsd/
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93 lines
1.8 KiB
C
93 lines
1.8 KiB
C
/**
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* @file
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*
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* @ingroup rtems_bsd_rtems
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*
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* @brief TODO.
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*/
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/*
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* COPYRIGHT (c) 2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#include <freebsd/machine/rtems-bsd-config.h>
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#include <sys/types.h>
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#include <freebsd/sys/param.h>
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#include <freebsd/sys/types.h>
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#include <freebsd/sys/systm.h>
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#include <freebsd/sys/lock.h>
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#include <freebsd/sys/rmlock.h>
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#include <pthread.h>
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#define RMPF_ONQUEUE 1
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#define RMPF_SIGNAL 2
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/*
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* To support usage of rmlock in CVs and msleep yet another list for the
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* priority tracker would be needed. Using this lock for cv and msleep also
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* does not seem very useful
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*/
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static __inline void compiler_memory_barrier(void) {
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__asm __volatile("":::"memory");
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}
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static void assert_rm(struct lock_object *lock, int what);
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static void lock_rm(struct lock_object *lock, int how);
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#ifdef KDTRACE_HOOKS
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static int owner_rm(struct lock_object *lock, struct thread **owner);
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#endif
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static int unlock_rm(struct lock_object *lock);
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struct lock_class lock_class_rm = {
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.lc_name = "rm",
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.lc_flags = LC_SLEEPLOCK | LC_RECURSABLE,
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.lc_assert = assert_rm,
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#if 0
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#ifdef DDB
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.lc_ddb_show = db_show_rwlock,
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#endif
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#endif
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.lc_lock = lock_rm,
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.lc_unlock = unlock_rm,
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#ifdef KDTRACE_HOOKS
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.lc_owner = owner_rm,
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#endif
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};
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static void
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assert_rm(struct lock_object *lock, int what)
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{
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panic("assert_rm called");
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}
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static void
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lock_rm(struct lock_object *lock, int how)
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{
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panic("lock_rm called");
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}
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static int
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unlock_rm(struct lock_object *lock)
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{
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panic("unlock_rm called");
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}
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#ifdef KDTRACE_HOOKS
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static int
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owner_rm(struct lock_object *lock, struct thread **owner)
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{
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panic("owner_rm called");
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}
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#endif
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