示例#1
0
/*
 * Function versions of the inlined __mtx_* macros.  These are used by
 * modules and can also be called from assembly language if needed.
 */
void
__mtx_lock_flags(volatile uintptr_t *c, int opts, const char *file, int line)
{
	struct mtx *m;

	if (SCHEDULER_STOPPED())
		return;

	m = mtxlock2mtx(c);

	KASSERT(kdb_active != 0 || !TD_IS_IDLETHREAD(curthread),
	    ("mtx_lock() by idle thread %p on sleep mutex %s @ %s:%d",
	    curthread, m->lock_object.lo_name, file, line));
	KASSERT(m->mtx_lock != MTX_DESTROYED,
	    ("mtx_lock() of destroyed mutex @ %s:%d", file, line));
	KASSERT(LOCK_CLASS(&m->lock_object) == &lock_class_mtx_sleep,
	    ("mtx_lock() of spin mutex %s @ %s:%d", m->lock_object.lo_name,
	    file, line));
	WITNESS_CHECKORDER(&m->lock_object, (opts & ~MTX_RECURSE) |
	    LOP_NEWORDER | LOP_EXCLUSIVE, file, line, NULL);

	__mtx_lock(m, curthread, opts, file, line);
	LOCK_LOG_LOCK("LOCK", &m->lock_object, opts, m->mtx_recurse, file,
	    line);
	WITNESS_LOCK(&m->lock_object, (opts & ~MTX_RECURSE) | LOP_EXCLUSIVE,
	    file, line);
	TD_LOCKS_INC(curthread);
}
示例#2
0
/*
 * Function versions of the inlined __mtx_* macros.  These are used by
 * modules and can also be called from assembly language if needed.
 */
void
_mtx_lock_flags(struct mtx *m, int opts, const char *file, int line)
{

	MPASS(curthread != NULL);
	KASSERT(m->mtx_lock != MTX_DESTROYED,
	    ("mtx_lock() of destroyed mutex @ %s:%d", file, line));
	KASSERT(LOCK_CLASS(&m->lock_object) == &lock_class_mtx_sleep,
	    ("mtx_lock() of spin mutex %s @ %s:%d", m->lock_object.lo_name,
	    file, line));
	WITNESS_CHECKORDER(&m->lock_object, opts | LOP_NEWORDER | LOP_EXCLUSIVE,
	    file, line, NULL);

	__mtx_lock(m, curthread, opts, file, line);
	LOCK_LOG_LOCK("LOCK", &m->lock_object, opts, m->mtx_recurse, file,
	    line);
	WITNESS_LOCK(&m->lock_object, opts | LOP_EXCLUSIVE, file, line);
	curthread->td_locks++;
}