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