libexec/rtld-elf/rtld_lock.c

190 rlock_acquire(rtld_lock_t lock, RtldLockState *lockstate)
193 	if (lockstate == NULL)
198 		lockstate->lockstate = RTLD_LOCK_UNLOCKED;
202 	lockstate->lockstate = RTLD_LOCK_RLOCKED;
206 wlock_acquire(rtld_lock_t lock, RtldLockState *lockstate)
209 	if (lockstate == NULL)
214 		lockstate->lockstate = RTLD_LOCK_UNLOCKED;
218 	lockstate->lockstate = RTLD_LOCK_WLOCKED;
222 lock_release(rtld_lock_t lock, RtldLockState *lockstate)
225 	if (lockstate == NULL)
228 	switch (lockstate->lockstate) {
242 lock_upgrade(rtld_lock_t lock, RtldLockState *lockstate)
245 	if (lockstate == NULL)
248 	lock_release(lock, lockstate);
249 	wlock_acquire(lock, lockstate);
253 lock_restart_for_upgrade(RtldLockState *lockstate)
256 	if (lockstate == NULL)
259 	switch (lockstate->lockstate) {
264 		siglongjmp(lockstate->env, 1);
387 	locks[0] = ls[1].lockstate;
388 	locks[2] = ls[0].lockstate;
400 	ls[0].lockstate = locks[2];
401 	ls[1].lockstate = locks[0];