diff --git a/build-scripts/SDL_migration.cocci b/build-scripts/SDL_migration.cocci
index dd2fee730..1ad2294cf 100644
--- a/build-scripts/SDL_migration.cocci
+++ b/build-scripts/SDL_migration.cocci
@@ -2511,7 +2511,7 @@ typedef SDL_atomic_t, SDL_AtomicInt;
 @@
 @@
 - SDL_SemPost
-+ SDL_PostSemaphore
++ SDL_SignalSemaphore
   (...)
 @@
 @@
diff --git a/docs/README-migration.md b/docs/README-migration.md
index caf5cab33..53bc9ef38 100644
--- a/docs/README-migration.md
+++ b/docs/README-migration.md
@@ -1110,7 +1110,7 @@ The following functions have been renamed:
 * SDL_CondWaitTimeout() => SDL_WaitConditionTimeout()
 * SDL_CreateCond() => SDL_CreateCondition()
 * SDL_DestroyCond() => SDL_DestroyCondition()
-* SDL_SemPost() => SDL_PostSemaphore()
+* SDL_SemPost() => SDL_SignalSemaphore()
 * SDL_SemTryWait() => SDL_TryWaitSemaphore()
 * SDL_SemValue() => SDL_GetSemaphoreValue()
 * SDL_SemWait() => SDL_WaitSemaphore()
diff --git a/include/SDL3/SDL_mutex.h b/include/SDL3/SDL_mutex.h
index aed836dc4..eea003092 100644
--- a/include/SDL3/SDL_mutex.h
+++ b/include/SDL3/SDL_mutex.h
@@ -544,7 +544,7 @@ typedef struct SDL_Semaphore SDL_Semaphore;
  * \since This function is available since SDL 3.0.0.
  *
  * \sa SDL_DestroySemaphore
- * \sa SDL_PostSemaphore
+ * \sa SDL_SignalSemaphore
  * \sa SDL_TryWaitSemaphore
  * \sa SDL_GetSemaphoreValue
  * \sa SDL_WaitSemaphore
@@ -583,7 +583,7 @@ extern SDL_DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_Semaphore *sem);
  *
  * \since This function is available since SDL 3.0.0.
  *
- * \sa SDL_PostSemaphore
+ * \sa SDL_SignalSemaphore
  * \sa SDL_TryWaitSemaphore
  * \sa SDL_WaitSemaphoreTimeout
  */
@@ -604,7 +604,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_WaitSemaphore(SDL_Semaphore *sem);
  *
  * \since This function is available since SDL 3.0.0.
  *
- * \sa SDL_PostSemaphore
+ * \sa SDL_SignalSemaphore
  * \sa SDL_WaitSemaphore
  * \sa SDL_WaitSemaphoreTimeout
  */
@@ -626,7 +626,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_TryWaitSemaphore(SDL_Semaphore *sem);
  *
  * \since This function is available since SDL 3.0.0.
  *
- * \sa SDL_PostSemaphore
+ * \sa SDL_SignalSemaphore
  * \sa SDL_TryWaitSemaphore
  * \sa SDL_WaitSemaphore
  */
@@ -645,7 +645,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_WaitSemaphoreTimeout(SDL_Semaphore *sem, Sin
  * \sa SDL_WaitSemaphore
  * \sa SDL_WaitSemaphoreTimeout
  */
-extern SDL_DECLSPEC int SDLCALL SDL_PostSemaphore(SDL_Semaphore *sem);
+extern SDL_DECLSPEC int SDLCALL SDL_SignalSemaphore(SDL_Semaphore *sem);
 
 /**
  * Get the current value of a semaphore.
diff --git a/include/SDL3/SDL_oldnames.h b/include/SDL3/SDL_oldnames.h
index f1b31adeb..cd895d5ea 100644
--- a/include/SDL3/SDL_oldnames.h
+++ b/include/SDL3/SDL_oldnames.h
@@ -444,7 +444,7 @@
 #define SDL_CondWaitTimeout SDL_WaitConditionTimeout
 #define SDL_CreateCond SDL_CreateCondition
 #define SDL_DestroyCond SDL_DestroyCondition
-#define SDL_SemPost SDL_PostSemaphore
+#define SDL_SemPost SDL_SignalSemaphore
 #define SDL_SemTryWait SDL_TryWaitSemaphore
 #define SDL_SemValue SDL_GetSemaphoreValue
 #define SDL_SemWait SDL_WaitSemaphore
@@ -1065,7 +1065,7 @@
 #define SDL_CondWaitTimeout SDL_CondWaitTimeout_renamed_SDL_WaitConditionTimeout
 #define SDL_CreateCond SDL_CreateCond_renamed_SDL_CreateCondition
 #define SDL_DestroyCond SDL_DestroyCond_renamed_SDL_DestroyCondition
-#define SDL_SemPost SDL_SemPost_renamed_SDL_PostSemaphore
+#define SDL_SemPost SDL_SemPost_renamed_SDL_SignalSemaphore
 #define SDL_SemTryWait SDL_SemTryWait_renamed_SDL_TryWaitSemaphore
 #define SDL_SemValue SDL_SemValue_renamed_SDL_GetSemaphoreValue
 #define SDL_SemWait SDL_SemWait_renamed_SDL_WaitSemaphore
diff --git a/src/audio/aaudio/SDL_aaudio.c b/src/audio/aaudio/SDL_aaudio.c
index 76080fb58..0053cbd70 100644
--- a/src/audio/aaudio/SDL_aaudio.c
+++ b/src/audio/aaudio/SDL_aaudio.c
@@ -85,7 +85,7 @@ static void AAUDIO_errorCallback(AAudioStream *stream, void *userData, aaudio_re
     // Just flag the device so we can kill it in PlayDevice instead.
     SDL_AudioDevice *device = (SDL_AudioDevice *) userData;
     SDL_AtomicSet(&device->hidden->error_callback_triggered, (int) error);  // AAUDIO_OK is zero, so !triggered means no error.
-    SDL_PostSemaphore(device->hidden->semaphore);  // in case we're blocking in WaitDevice.
+    SDL_SignalSemaphore(device->hidden->semaphore);  // in case we're blocking in WaitDevice.
 }
 
 static aaudio_data_callback_result_t AAUDIO_dataCallback(AAudioStream *stream, void *userData, void *audioData, int32_t numFrames)
@@ -149,7 +149,7 @@ static aaudio_data_callback_result_t AAUDIO_dataCallback(AAudioStream *stream, v
     size_t new_buffer_index = hidden->callback_bytes / device->buffer_size;
     while (old_buffer_index < new_buffer_index) {
         // Trigger audio processing
-        SDL_PostSemaphore(hidden->semaphore);
+        SDL_SignalSemaphore(hidden->semaphore);
         ++old_buffer_index;
     }
 
diff --git a/src/audio/coreaudio/SDL_coreaudio.m b/src/audio/coreaudio/SDL_coreaudio.m
index 0a1bfe186..aacae90e5 100644
--- a/src/audio/coreaudio/SDL_coreaudio.m
+++ b/src/audio/coreaudio/SDL_coreaudio.m
@@ -831,12 +831,12 @@ static int AudioQueueThreadEntry(void *arg)
 
     if (PrepareAudioQueue(device) < 0) {
         device->hidden->thread_error = SDL_strdup(SDL_GetError());
-        SDL_PostSemaphore(device->hidden->ready_semaphore);
+        SDL_SignalSemaphore(device->hidden->ready_semaphore);
         return 0;
     }
 
     // init was successful, alert parent thread and start running...
-    SDL_PostSemaphore(device->hidden->ready_semaphore);
+    SDL_SignalSemaphore(device->hidden->ready_semaphore);
 
     // This would be WaitDevice/WaitRecordingDevice in the normal SDL audio thread, but we get *BufferReadyCallback calls here to know when to iterate.
     while (!SDL_AtomicGet(&device->shutdown)) {
diff --git a/src/audio/openslES/SDL_openslES.c b/src/audio/openslES/SDL_openslES.c
index 3d1d0b75a..cfbf0a3b0 100644
--- a/src/audio/openslES/SDL_openslES.c
+++ b/src/audio/openslES/SDL_openslES.c
@@ -194,7 +194,7 @@ static void bqRecorderCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
     struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *)context;
 
     LOGV("SLES: Recording Callback");
-    SDL_PostSemaphore(audiodata->playsem);
+    SDL_SignalSemaphore(audiodata->playsem);
 }
 
 static void OPENSLES_DestroyPCMRecorder(SDL_AudioDevice *device)
@@ -390,7 +390,7 @@ static void bqPlayerCallback(SLAndroidSimpleBufferQueueItf bq, void *context)
     struct SDL_PrivateAudioData *audiodata = (struct SDL_PrivateAudioData *)context;
 
     LOGV("SLES: Playback Callback");
-    SDL_PostSemaphore(audiodata->playsem);
+    SDL_SignalSemaphore(audiodata->playsem);
 }
 
 static void OPENSLES_DestroyPCMPlayer(SDL_AudioDevice *device)
@@ -673,7 +673,7 @@ static int OPENSLES_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int
     // If Enqueue fails, callback won't be called.
     // Post the semaphore, not to run out of buffer
     if (SL_RESULT_SUCCESS != result) {
-        SDL_PostSemaphore(audiodata->playsem);
+        SDL_SignalSemaphore(audiodata->playsem);
     }
 
     return 0;
diff --git a/src/audio/pulseaudio/SDL_pulseaudio.c b/src/audio/pulseaudio/SDL_pulseaudio.c
index 6a9681fd5..b373ffb70 100644
--- a/src/audio/pulseaudio/SDL_pulseaudio.c
+++ b/src/audio/pulseaudio/SDL_pulseaudio.c
@@ -921,7 +921,7 @@ static int SDLCALL HotplugThread(void *data)
     // don't WaitForPulseOperation on the subscription; when it's done we'll be able to get hotplug events, but waiting doesn't changing anything.
     op = PULSEAUDIO_pa_context_subscribe(pulseaudio_context, PA_SUBSCRIPTION_MASK_SINK | PA_SUBSCRIPTION_MASK_SOURCE | PA_SUBSCRIPTION_MASK_SERVER, NULL, NULL);
 
-    SDL_PostSemaphore((SDL_Semaphore *) data);
+    SDL_SignalSemaphore((SDL_Semaphore *) data);
 
     while (SDL_AtomicGet(&pulseaudio_hotplug_thread_active)) {
         PULSEAUDIO_pa_threaded_mainloop_wait(pulseaudio_threaded_mainloop);
diff --git a/src/audio/wasapi/SDL_wasapi.c b/src/audio/wasapi/SDL_wasapi.c
index b133b1665..003d3ba26 100644
--- a/src/audio/wasapi/SDL_wasapi.c
+++ b/src/audio/wasapi/SDL_wasapi.c
@@ -83,7 +83,7 @@ static void ManagementThreadMainloop(void)
             task->result = task->fn(task->userdata);                     // run this task.
             if (task->task_complete_sem) {                               // something waiting on result?
                 task->errorstr = SDL_strdup(SDL_GetError());
-                SDL_PostSemaphore(task->task_complete_sem);
+                SDL_SignalSemaphore(task->task_complete_sem);
             } else { // nothing waiting, we're done, free it.
                 SDL_free(task);
             }
@@ -190,11 +190,11 @@ static int ManagementThreadEntry(void *userdata)
 
     if (ManagementThreadPrepare() < 0) {
         data->errorstr = SDL_strdup(SDL_GetError());
-        SDL_PostSemaphore(data->ready_sem); // unblock calling thread.
+        SDL_SignalSemaphore(data->ready_sem); // unblock calling thread.
         return 0;
     }
 
-    SDL_PostSemaphore(data->ready_sem); // unblock calling thread.
+    SDL_SignalSemaphore(data->ready_sem); // unblock calling thread.
     ManagementThreadMainloop();
 
     WASAPI_PlatformDeinit();
diff --git a/src/audio/wasapi/SDL_wasapi_winrt.cpp b/src/audio/wasapi/SDL_wasapi_winrt.cpp
index 5c954ac80..4300cc1b6 100644
--- a/src/audio/wasapi/SDL_wasapi_winrt.cpp
+++ b/src/audio/wasapi/SDL_wasapi_winrt.cpp
@@ -186,7 +186,7 @@ void SDL_WasapiDeviceEventHandler::OnEnumerationCompleted(DeviceWatcher ^ sender
 {
     SDL_assert(sender == this->watcher);
     if (this->completed_semaphore) {
-        SDL_PostSemaphore(this->completed_semaphore);
+        SDL_SignalSemaphore(this->completed_semaphore);
     }
 }
 
@@ -283,7 +283,7 @@ HRESULT
 SDL_WasapiActivationHandler::ActivateCompleted(IActivateAudioInterfaceAsyncOperation *async)
 {
     // Just set a flag, since we're probably in a different thread. We'll pick it up and init everything on our own thread to prevent races.
-    SDL_PostSemaphore(completion_semaphore);
+    SDL_SignalSemaphore(completion_semaphore);
     return S_OK;
 }
 
diff --git a/src/core/android/SDL_android.c b/src/core/android/SDL_android.c
index 40f43cc2d..f6d48425c 100644
--- a/src/core/android/SDL_android.c
+++ b/src/core/android/SDL_android.c
@@ -1370,7 +1370,7 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSendQuit)(
     }
     /* Resume the event loop so that the app can catch SDL_EVENT_QUIT which
      * should now be the top event in the event queue. */
-    SDL_PostSemaphore(Android_ResumeSem);
+    SDL_SignalSemaphore(Android_ResumeSem);
 }
 
 /* Activity ends */
@@ -1412,7 +1412,7 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativePause)(
 
     /* Signal the pause semaphore so the event loop knows to pause and (optionally) block itself.
      * Sometimes 2 pauses can be queued (eg pause/resume/pause), so it's always increased. */
-    SDL_PostSemaphore(Android_PauseSem);
+    SDL_SignalSemaphore(Android_PauseSem);
 }
 
 /* Resume */
@@ -1425,7 +1425,7 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeResume)(
      * We can't restore the GL Context here because it needs to be done on the SDL main thread
      * and this function will be called from the Java thread instead.
      */
-    SDL_PostSemaphore(Android_ResumeSem);
+    SDL_SignalSemaphore(Android_ResumeSem);
 }
 
 JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeFocusChanged)(
diff --git a/src/dynapi/SDL_dynapi.sym b/src/dynapi/SDL_dynapi.sym
index 44487f783..b8771177c 100644
--- a/src/dynapi/SDL_dynapi.sym
+++ b/src/dynapi/SDL_dynapi.sym
@@ -582,12 +582,12 @@ SDL3_0.0.0 {
     SDL_Metal_GetLayer;
     SDL_MinimizeWindow;
     SDL_MixAudio;
-    SDL_OnApplicationDidEnterForeground;
     SDL_OnApplicationDidChangeStatusBarOrientation;
     SDL_OnApplicationDidEnterBackground;
+    SDL_OnApplicationDidEnterForeground;
     SDL_OnApplicationDidReceiveMemoryWarning;
-    SDL_OnApplicationWillEnterForeground;
     SDL_OnApplicationWillEnterBackground;
+    SDL_OnApplicationWillEnterForeground;
     SDL_OnApplicationWillTerminate;
     SDL_OpenAudioDevice;
     SDL_OpenAudioDeviceStream;
@@ -612,7 +612,6 @@ SDL3_0.0.0 {
     SDL_PenConnected;
     SDL_PlayHapticRumble;
     SDL_PollEvent;
-    SDL_PostSemaphore;
     SDL_PremultiplyAlpha;
     SDL_PremultiplySurfaceAlpha;
     SDL_PumpEvents;
@@ -809,6 +808,7 @@ SDL3_0.0.0 {
     SDL_ShowWindow;
     SDL_ShowWindowSystemMenu;
     SDL_SignalCondition;
+    SDL_SignalSemaphore;
     SDL_StartTextInput;
     SDL_StepUTF8;
     SDL_StopHapticEffect;
diff --git a/src/dynapi/SDL_dynapi_overrides.h b/src/dynapi/SDL_dynapi_overrides.h
index 7e7a42f91..3db9caa9f 100644
--- a/src/dynapi/SDL_dynapi_overrides.h
+++ b/src/dynapi/SDL_dynapi_overrides.h
@@ -607,12 +607,12 @@
 #define SDL_Metal_GetLayer SDL_Metal_GetLayer_REAL
 #define SDL_MinimizeWindow SDL_MinimizeWindow_REAL
 #define SDL_MixAudio SDL_MixAudio_REAL
-#define SDL_OnApplicationDidEnterForeground SDL_OnApplicationDidEnterForeground_REAL
 #define SDL_OnApplicationDidChangeStatusBarOrientation SDL_OnApplicationDidChangeStatusBarOrientation_REAL
 #define SDL_OnApplicationDidEnterBackground SDL_OnApplicationDidEnterBackground_REAL
+#define SDL_OnApplicationDidEnterForeground SDL_OnApplicationDidEnterForeground_REAL
 #define SDL_OnApplicationDidReceiveMemoryWarning SDL_OnApplicationDidReceiveMemoryWarning_REAL
-#define SDL_OnApplicationWillEnterForeground SDL_OnApplicationWillEnterForeground_REAL
 #define SDL_OnApplicationWillEnterBackground SDL_OnApplicationWillEnterBackground_REAL
+#define SDL_OnApplicationWillEnterForeground SDL_OnApplicationWillEnterForeground_REAL
 #define SDL_OnApplicationWillTerminate SDL_OnApplicationWillTerminate_REAL
 #define SDL_OpenAudioDevice SDL_OpenAudioDevice_REAL
 #define SDL_OpenAudioDeviceStream SDL_OpenAudioDeviceStream_REAL
@@ -637,7 +637,6 @@
 #define SDL_PenConnected SDL_PenConnected_REAL
 #define SDL_PlayHapticRumble SDL_PlayHapticRumble_REAL
 #define SDL_PollEvent SDL_PollEvent_REAL
-#define SDL_PostSemaphore SDL_PostSemaphore_REAL
 #define SDL_PremultiplyAlpha SDL_PremultiplyAlpha_REAL
 #define SDL_PremultiplySurfaceAlpha SDL_PremultiplySurfaceAlpha_REAL
 #define SDL_PumpEvents SDL_PumpEvents_REAL
@@ -834,6 +833,7 @@
 #define SDL_ShowWindow SDL_ShowWindow_REAL
 #define SDL_ShowWindowSystemMenu SDL_ShowWindowSystemMenu_REAL
 #define SDL_SignalCondition SDL_SignalCondition_REAL
+#define SDL_SignalSemaphore SDL_SignalSemaphore_REAL
 #define SDL_StartTextInput SDL_StartTextInput_REAL
 #define SDL_StepUTF8 SDL_StepUTF8_REAL
 #define SDL_StopHapticEffect SDL_StopHapticEffect_REAL
diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h
index 0d3049496..05bab9386 100644
--- a/src/dynapi/SDL_dynapi_procs.h
+++ b/src/dynapi/SDL_dynapi_procs.h
@@ -618,12 +618,12 @@ SDL_DYNAPI_PROC(void,SDL_Metal_DestroyView,(SDL_MetalView a),(a),)
 SDL_DYNAPI_PROC(void*,SDL_Metal_GetLayer,(SDL_MetalView a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_MinimizeWindow,(SDL_Window *a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_MixAudio,(Uint8 *a, const Uint8 *b, SDL_AudioFormat c, Uint32 d, float e),(a,b,c,d,e),return)
-SDL_DYNAPI_PROC(void,SDL_OnApplicationDidEnterForeground,(void),(),)
 SDL_DYNAPI_PROC(void,SDL_OnApplicationDidChangeStatusBarOrientation,(void),(),)
 SDL_DYNAPI_PROC(void,SDL_OnApplicationDidEnterBackground,(void),(),)
+SDL_DYNAPI_PROC(void,SDL_OnApplicationDidEnterForeground,(void),(),)
 SDL_DYNAPI_PROC(void,SDL_OnApplicationDidReceiveMemoryWarning,(void),(),)
-SDL_DYNAPI_PROC(void,SDL_OnApplicationWillEnterForeground,(void),(),)
 SDL_DYNAPI_PROC(void,SDL_OnApplicationWillEnterBackground,(void),(),)
+SDL_DYNAPI_PROC(void,SDL_OnApplicationWillEnterForeground,(void),(),)
 SDL_DYNAPI_PROC(void,SDL_OnApplicationWillTerminate,(void),(),)
 SDL_DYNAPI_PROC(SDL_AudioDeviceID,SDL_OpenAudioDevice,(SDL_AudioDeviceID a, const SDL_AudioSpec *b),(a,b),return)
 SDL_DYNAPI_PROC(SDL_AudioStream*,SDL_OpenAudioDeviceStream,(SDL_AudioDeviceID a, const SDL_AudioSpec *b, SDL_AudioStreamCallback c, void *d),(a,b,c,d),return)
@@ -648,7 +648,6 @@ SDL_DYNAPI_PROC(int,SDL_PeepEvents,(SDL_Event *a, int b, SDL_EventAction c, Uint
 SDL_DYNAPI_PROC(SDL_bool,SDL_PenConnected,(SDL_PenID a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_PlayHapticRumble,(SDL_Haptic *a, float b, Uint32 c),(a,b,c),return)
 SDL_DYNAPI_PROC(SDL_bool,SDL_PollEvent,(SDL_Event *a),(a),return)
-SDL_DYNAPI_PROC(int,SDL_PostSemaphore,(SDL_Semaphore *a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_PremultiplyAlpha,(int a, int b, SDL_PixelFormat c, const void *d, int e, SDL_PixelFormat f, void *g, int h, SDL_bool i),(a,b,c,d,e,f,g,h,i),return)
 SDL_DYNAPI_PROC(int,SDL_PremultiplySurfaceAlpha,(SDL_Surface *a, SDL_bool b),(a,b),return)
 SDL_DYNAPI_PROC(void,SDL_PumpEvents,(void),(),)
@@ -844,6 +843,7 @@ SDL_DYNAPI_PROC(int,SDL_ShowSimpleMessageBox,(SDL_MessageBoxFlags a, const char
 SDL_DYNAPI_PROC(int,SDL_ShowWindow,(SDL_Window *a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_ShowWindowSystemMenu,(SDL_Window *a, int b, int c),(a,b,c),return)
 SDL_DYNAPI_PROC(int,SDL_SignalCondition,(SDL_Condition *a),(a),return)
+SDL_DYNAPI_PROC(int,SDL_SignalSemaphore,(SDL_Semaphore *a),(a),return)
 SDL_DYNAPI_PROC(int,SDL_StartTextInput,(SDL_Window *a),(a),return)
 SDL_DYNAPI_PROC(Uint32,SDL_StepUTF8,(const char **a, size_t *b),(a,b),return)
 SDL_DYNAPI_PROC(int,SDL_StopHapticEffect,(SDL_Haptic *a, int b),(a,b),return)
diff --git a/src/joystick/hidapi/SDL_hidapi_rumble.c b/src/joystick/hidapi/SDL_hidapi_rumble.c
index a63982363..f33f96ba4 100644
--- a/src/joystick/hidapi/SDL_hidapi_rumble.c
+++ b/src/joystick/hidapi/SDL_hidapi_rumble.c
@@ -107,7 +107,7 @@ static void SDL_HIDAPI_StopRumbleThread(SDL_HIDAPI_RumbleContext *ctx)
     if (ctx->thread) {
         int result;
 
-        SDL_PostSemaphore(ctx->request_sem);
+        SDL_SignalSemaphore(ctx->request_sem);
         SDL_WaitThread(ctx->thread, &result);
         ctx->thread = NULL;
     }
@@ -236,7 +236,7 @@ int SDL_HIDAPI_SendRumbleWithCallbackAndUnlock(SDL_HIDAPI_Device *device, const
     /* Make sure we unlock before posting the semaphore so the rumble thread can run immediately */
     SDL_HIDAPI_UnlockRumble();
 
-    SDL_PostSemaphore(ctx->request_sem);
+    SDL_SignalSemaphore(ctx->request_sem);
 
     return size;
 }
diff --git a/src/sensor/android/SDL_androidsensor.c b/src/sensor/android/SDL_androidsensor.c
index b832974e9..12ecaac88 100644
--- a/src/sensor/android/SDL_androidsensor.c
+++ b/src/sensor/android/SDL_androidsensor.c
@@ -65,7 +65,7 @@ static int SDLCALL SDL_ANDROID_SensorThread(void *data)
     SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
 
     SDL_sensor_looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS);
-    SDL_PostSemaphore(ctx->sem);
+    SDL_SignalSemaphore(ctx->sem);
 
     while (SDL_AtomicGet(&ctx->running)) {
         Uint64 timestamp = SDL_GetTicksNS();
diff --git a/src/thread/generic/SDL_syscond.c b/src/thread/generic/SDL_syscond.c
index d9cf41a90..9d73650b3 100644
--- a/src/thread/generic/SDL_syscond.c
+++ b/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;
diff --git a/src/thread/generic/SDL_sysmutex.c b/src/thread/generic/SDL_sysmutex.c
index b4d3068e6..cb5d77bd5 100644
--- a/src/thread/generic/SDL_sysmutex.c
+++ b/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
diff --git a/src/thread/generic/SDL_syssem.c b/src/thread/generic/SDL_syssem.c
index 8ae532435..d8398120e 100644
--- a/src/thread/generic/SDL_syssem.c
+++ b/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");
diff --git a/src/thread/n3ds/SDL_syssem.c b/src/thread/n3ds/SDL_syssem.c
index 025aec3b7..70c48f6f3 100644
--- a/src/thread/n3ds/SDL_syssem.c
+++ b/src/thread/n3ds/SDL_syssem.c
@@ -105,7 +105,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return sem->semaphore.current_count;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     if (!sem) {
         return SDL_InvalidParamError("sem");
diff --git a/src/thread/ngage/SDL_syssem.cpp b/src/thread/ngage/SDL_syssem.cpp
index 081d27870..4a2d9f4ca 100644
--- a/src/thread/ngage/SDL_syssem.cpp
+++ b/src/thread/ngage/SDL_syssem.cpp
@@ -147,7 +147,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return sem->count;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     if (!sem) {
         return SDL_InvalidParamError("sem");
diff --git a/src/thread/ps2/SDL_syssem.c b/src/thread/ps2/SDL_syssem.c
index 2cd939731..a368f6962 100644
--- a/src/thread/ps2/SDL_syssem.c
+++ b/src/thread/ps2/SDL_syssem.c
@@ -121,7 +121,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return 0;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     int res;
 
diff --git a/src/thread/psp/SDL_syssem.c b/src/thread/psp/SDL_syssem.c
index 9d6065306..d4fcf6617 100644
--- a/src/thread/psp/SDL_syssem.c
+++ b/src/thread/psp/SDL_syssem.c
@@ -124,7 +124,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return 0;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     int res;
 
diff --git a/src/thread/pthread/SDL_syssem.c b/src/thread/pthread/SDL_syssem.c
index fcc287e80..a0a3829da 100644
--- a/src/thread/pthread/SDL_syssem.c
+++ b/src/thread/pthread/SDL_syssem.c
@@ -162,7 +162,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return (Uint32)ret;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     int retval;
 
diff --git a/src/thread/vita/SDL_syssem.c b/src/thread/vita/SDL_syssem.c
index 1075c528c..d37b9b33c 100644
--- a/src/thread/vita/SDL_syssem.c
+++ b/src/thread/vita/SDL_syssem.c
@@ -126,7 +126,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return 0;
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     int res;
 
diff --git a/src/thread/windows/SDL_syssem.c b/src/thread/windows/SDL_syssem.c
index b231a65b1..d0456a6a1 100644
--- a/src/thread/windows/SDL_syssem.c
+++ b/src/thread/windows/SDL_syssem.c
@@ -39,7 +39,7 @@ typedef SDL_Semaphore *(*pfnSDL_CreateSemaphore)(Uint32);
 typedef void (*pfnSDL_DestroySemaphore)(SDL_Semaphore *);
 typedef int (*pfnSDL_WaitSemaphoreTimeoutNS)(SDL_Semaphore *, Sint64);
 typedef Uint32 (*pfnSDL_GetSemaphoreValue)(SDL_Semaphore *);
-typedef int (*pfnSDL_PostSemaphore)(SDL_Semaphore *);
+typedef int (*pfnSDL_SignalSemaphore)(SDL_Semaphore *);
 
 typedef struct SDL_semaphore_impl_t
 {
@@ -47,7 +47,7 @@ typedef struct SDL_semaphore_impl_t
     pfnSDL_DestroySemaphore Destroy;
     pfnSDL_WaitSemaphoreTimeoutNS WaitTimeoutNS;
     pfnSDL_GetSemaphoreValue Value;
-    pfnSDL_PostSemaphore Post;
+    pfnSDL_SignalSemaphore Post;
 } SDL_sem_impl_t;
 
 /* Implementation will be chosen at runtime based on available Kernel features */
@@ -180,7 +180,7 @@ static Uint32 SDL_GetSemaphoreValue_atom(SDL_Semaphore *_sem)
     return (Uint32)sem->count;
 }
 
-static int SDL_PostSemaphore_atom(SDL_Semaphore *_sem)
+static int SDL_SignalSemaphore_atom(SDL_Semaphore *_sem)
 {
     SDL_sem_atom *sem = (SDL_sem_atom *)_sem;
 
@@ -199,7 +199,7 @@ static const SDL_sem_impl_t SDL_sem_impl_atom = {
     &SDL_DestroySemaphore_atom,
     &SDL_WaitSemaphoreTimeoutNS_atom,
     &SDL_GetSemaphoreValue_atom,
-    &SDL_PostSemaphore_atom,
+    &SDL_SignalSemaphore_atom,
 };
 #endif /* !SDL_WINAPI_FAMILY_PHONE */
 
@@ -292,7 +292,7 @@ static Uint32 SDL_GetSemaphoreValue_kern(SDL_Semaphore *_sem)
     return (Uint32)sem->count;
 }
 
-static int SDL_PostSemaphore_kern(SDL_Semaphore *_sem)
+static int SDL_SignalSemaphore_kern(SDL_Semaphore *_sem)
 {
     SDL_sem_kern *sem = (SDL_sem_kern *)_sem;
     if (!sem) {
@@ -316,7 +316,7 @@ static const SDL_sem_impl_t SDL_sem_impl_kern = {
     &SDL_DestroySemaphore_kern,
     &SDL_WaitSemaphoreTimeoutNS_kern,
     &SDL_GetSemaphoreValue_kern,
-    &SDL_PostSemaphore_kern,
+    &SDL_SignalSemaphore_kern,
 };
 
 /**
@@ -376,7 +376,7 @@ Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
     return SDL_sem_impl_active.Value(sem);
 }
 
-int SDL_PostSemaphore(SDL_Semaphore *sem)
+int SDL_SignalSemaphore(SDL_Semaphore *sem)
 {
     return SDL_sem_impl_active.Post(sem);
 }
diff --git a/src/timer/SDL_timer.c b/src/timer/SDL_timer.c
index 4c5bd018c..20050952b 100644
--- a/src/timer/SDL_timer.c
+++ b/src/timer/SDL_timer.c
@@ -243,7 +243,7 @@ void SDL_QuitTimers(void)
     if (SDL_AtomicCompareAndSwap(&data->active, 1, 0)) { /* active? Move to inactive. */
         /* Shutdown the timer thread */
         if (data->thread) {
-            SDL_PostSemaphore(data->sem);
+            SDL_SignalSemaphore(data->sem);
             SDL_WaitThread(data->thread, NULL);
             data->thread = NULL;
         }
@@ -334,7 +334,7 @@ static SDL_TimerID SDL_CreateTimer(Uint64 interval, SDL_TimerCallback callback_m
     SDL_UnlockSpinlock(&data->lock);
 
     /* Wake up the timer thread if necessary */
-    SDL_PostSemaphore(data->sem);
+    SDL_SignalSemaphore(data->sem);
 
     return entry->timerID;
 }
diff --git a/src/video/psp/SDL_pspevents.c b/src/video/psp/SDL_pspevents.c
index 1876b3f06..0ba7c67ee 100644
--- a/src/video/psp/SDL_pspevents.c
+++ b/src/video/psp/SDL_pspevents.c
@@ -66,7 +66,7 @@ int EventUpdate(void *data)
     while (running) {
         SDL_WaitSemaphore(event_sem);
         sceHprmPeekCurrentKey((u32 *)&hprm);
-        SDL_PostSemaphore(event_sem);
+        SDL_SignalSemaphore(event_sem);
         /* Delay 1/60th of a second */
         sceKernelDelayThread(1000000 / 60);
     }
@@ -82,7 +82,7 @@ void PSP_PumpEvents(SDL_VideoDevice *_this)
 
     SDL_WaitSemaphore(event_sem);
     keys = hprm;
-    SDL_PostSemaphore(event_sem);
+    SDL_SignalSemaphore(event_sem);
 
     /* HPRM Keyboard */
     changed = old_keys ^ keys;
diff --git a/test/testatomic.c b/test/testatomic.c
index a6266859f..e2c3dda2b 100644
--- a/test/testatomic.c
+++ b/test/testatomic.c
@@ -121,7 +121,7 @@ static int SDLCALL adder(void *junk)
         bad -= CountInc;
     }
     SDL_AtomicAdd(&threadsRunning, -1);
-    SDL_PostSemaphore(threadDone);
+    SDL_SignalSemaphore(threadDone);
     return 0;
 }
 
diff --git a/test/testgles2.c b/test/testgles2.c
index 89546ca13..4c4bcc709 100644
--- a/test/testgles2.c
+++ b/test/testgles2.c
@@ -609,7 +609,7 @@ loop_threaded(void)
             tdata = GetThreadDataForWindow(event.window.windowID);
             if (tdata) {
                 if (SDL_AtomicSet(&tdata->suspended, WAIT_STATE_GO) == WAIT_STATE_WAITING_ON_SEM) {
-                    SDL_PostSemaphore(tdata->suspend_sem);
+                    SDL_SignalSemaphore(tdata->suspend_sem);
                 }
             }
         } else if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED) {
@@ -619,7 +619,7 @@ loop_threaded(void)
                 tdata->done = 1;
                 if (tdata->thread) {
                     SDL_AtomicSet(&tdata->suspended, WAIT_STATE_GO);
-                    SDL_PostSemaphore(tdata->suspend_sem);
+                    SDL_SignalSemaphore(tdata->suspend_sem);
                     SDL_WaitThread(tdata->thread, NULL);
                     tdata->thread = NULL;
                     SDL_DestroySemaphore(tdata->suspend_sem);
diff --git a/test/testsem.c b/test/testsem.c
index e041b7645..e7f0dd0eb 100644
--- a/test/testsem.c
+++ b/test/testsem.c
@@ -56,7 +56,7 @@ ThreadFuncRealWorld(void *data)
         SDL_Log("Thread number %d has got the semaphore (value = %" SDL_PRIu32 ")!\n",
                 state->number, SDL_GetSemaphoreValue(sem));
         SDL_Delay(200);
-        SDL_PostSemaphore(sem);
+        SDL_SignalSemaphore(sem);
         SDL_Log("Thread number %d has released the semaphore (value = %" SDL_PRIu32 ")!\n",
                 state->number, SDL_GetSemaphoreValue(sem));
         ++state->loop_count;
@@ -145,7 +145,7 @@ TestOverheadUncontended(void)
     start_ticks = SDL_GetTicks();
     for (i = 0; i < NUM_OVERHEAD_OPS_MULT; i++) {
         for (j = 0; j < NUM_OVERHEAD_OPS; j++) {
-            SDL_PostSemaphore(sem);
+            SDL_SignalSemaphore(sem);
         }
         for (j = 0; j < NUM_OVERHEAD_OPS; j++) {
             SDL_WaitSemaphore(sem);
@@ -211,7 +211,7 @@ TestOverheadContended(SDL_bool try_wait)
     start_ticks = SDL_GetTicks();
     for (i = 0; i < NUM_OVERHEAD_OPS_MULT; i++) {
         for (j = 0; j < NUM_OVERHEAD_OPS; j++) {
-            SDL_PostSemaphore(sem);
+            SDL_SignalSemaphore(sem);
         }
         /* Make sure threads consumed everything */
         while (SDL_GetSemaphoreValue(sem)) {