libexec/rtld-elf/rtld_lock.c

186 rlock_acquire(rtld_lock_t lock, RtldLockState *lockstate)
189 	if (lockstate == NULL)
194 		lockstate->lockstate = RTLD_LOCK_UNLOCKED;
198 	lockstate->lockstate = RTLD_LOCK_RLOCKED;
202 wlock_acquire(rtld_lock_t lock, RtldLockState *lockstate)
205 	if (lockstate == NULL)
210 		lockstate->lockstate = RTLD_LOCK_UNLOCKED;
214 	lockstate->lockstate = RTLD_LOCK_WLOCKED;
218 lock_release(rtld_lock_t lock, RtldLockState *lockstate)
221 	if (lockstate == NULL)
224 	switch (lockstate->lockstate) {
238 lock_upgrade(rtld_lock_t lock, RtldLockState *lockstate)
241 	if (lockstate == NULL)
244 	lock_release(lock, lockstate);
245 	wlock_acquire(lock, lockstate);
249 lock_restart_for_upgrade(RtldLockState *lockstate)
252 	if (lockstate == NULL)
255 	switch (lockstate->lockstate) {
260 		siglongjmp(lockstate->env, 1);
372 	locks[0] = ls[1].lockstate;
373 	locks[2] = ls[0].lockstate;
382 	ls[0].lockstate = locks[2];
383 	ls[1].lockstate = locks[0];