Renamed SDL_PostSemaphore() to SDL_SignalSemphore()

src/thread/generic/SDL_syscond.c

@@ -103,7 +103,7 @@ int SDL_SignalCondition_generic(SDL_Condition *_cond)
     SDL_LockMutex(cond->lock);
     if (cond->waiting > cond->signals) {
         ++cond->signals;
-        SDL_PostSemaphore(cond->wait_sem);
+        SDL_SignalSemaphore(cond->wait_sem);
         SDL_UnlockMutex(cond->lock);
         SDL_WaitSemaphore(cond->wait_done);
     } else {
@@ -133,7 +133,7 @@ int SDL_BroadcastCondition_generic(SDL_Condition *_cond)
         num_waiting = (cond->waiting - cond->signals);
         cond->signals = cond->waiting;
         for (i = 0; i < num_waiting; ++i) {
-            SDL_PostSemaphore(cond->wait_sem);
+            SDL_SignalSemaphore(cond->wait_sem);
         }
         /* Now all released threads are blocked here, waiting for us.
            Collect them all (and win fabulous prizes!) :-)
@@ -208,7 +208,7 @@ int SDL_WaitConditionTimeoutNS_generic(SDL_Condition *_cond, SDL_Mutex *mutex, S
             SDL_WaitSemaphore(cond->wait_sem);
         }
         /* We always notify the signal thread that we are done */
-        SDL_PostSemaphore(cond->wait_done);
+        SDL_SignalSemaphore(cond->wait_done);
 
         /* Signal handshake complete */
         --cond->signals;

src/thread/generic/SDL_sysmutex.c

@@ -124,7 +124,7 @@ void SDL_UnlockMutex(SDL_Mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS  // clang d
                then release the lock semaphore.
              */
             mutex->owner = 0;
-            SDL_PostSemaphore(mutex->sem);
+            SDL_SignalSemaphore(mutex->sem);
         }
     }
 #endif // SDL_THREADS_DISABLED

src/thread/generic/SDL_syssem.c

@@ -46,7 +46,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return 0;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     return SDL_SetError("SDL not built with thread support");
 }
@@ -153,7 +153,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return value;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     if (!sem) {
         return SDL_InvalidParamError("sem");