rename mutex oper to conv lock/unlock

mutex.c

@@ -9,7 +9,7 @@ void mutex_init(mutex_t* mutex) {
     mutex->value = 1;
 }
 
-int32_t mutex_wait(mutex_t* mutex) {
+int32_t mutex_lock(mutex_t* mutex) {
     //while(mutex->value <= 0);
     //mutex->value--;
     //return mutex->value;
@@ -17,7 +17,7 @@ int32_t mutex_wait(mutex_t* mutex) {
     return atomic_dec32(&(mutex->value), (int32_t)1);
 }
 
-int32_t mutex_post(mutex_t* mutex) {
+int32_t mutex_unlock(mutex_t* mutex) {
     //mutex->value++;
     //return mutex->value;
     return atomic_inc32(&(mutex->value), (int32_t)1);

mutex.h

@@ -10,5 +10,5 @@ typedef struct {
 } mutex_t;
 
 void mutex_init(mutex_t* mutex);
-int32_t mutex_wait(mutex_t* mutex);
-int32_t mutex_post(mutex_t* mutex);
+int32_t mutex_lock(mutex_t* mutex);
+int32_t mutex_unlock(mutex_t* mutex);