rename sem_post/sem_wait

Author: cloudwu

src/ltask.c

@@ -79,7 +79,7 @@ mainthread_current(struct mainthread_session *mt, service_id id) {
 
 static inline void
 mainthread_trigger(struct mainthread_session *mt) {
-	sem_release(&mt->ev);
+	sem_post(&mt->ev);
 }
 
 struct ltask {
@@ -1156,7 +1156,7 @@ lmainthread_wait(lua_State *L) {
 	int inf = !lua_toboolean(L, 1);
 	int finish = 0;
 	do {
-		if (sem_acquire(&mt->ev, inf)) {
+		if (sem_wait(&mt->ev, inf)) {
 			lua_pushboolean(L, 1);	// fail
 			return 1;
 		}

src/semaphore.h

@@ -18,7 +18,7 @@ sem_deinit(struct sem *s) {
 }
 
 static inline int
-sem_acquire(struct sem *s, int inf) {
+sem_wait(struct sem *s, int inf) {
 	// ignore inf, always wait inf
 	cond_wait_begin(&s->c);
 	cond_wait(&s->c);
@@ -28,7 +28,7 @@ sem_acquire(struct sem *s, int inf) {
 }
 
 static inline void
-sem_release(struct sem *s) {
+sem_post(struct sem *s) {
 	cond_trigger_begin(&s->c);
 	cond_trigger_end(&s->c, 1);
 }