From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Fri, 6 Mar 2026 13:30:59 -0800
Subject: Move contrib libraries to contrib repo

---
 contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c | 183 ----------------------
 1 file changed, 183 deletions(-)
 delete mode 100644 contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c

(limited to 'contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c')

diff --git a/contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c b/contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c
deleted file mode 100644
index dcd6fcc..0000000
--- a/contrib/SDL-3.2.8/src/thread/generic/SDL_syssem.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "SDL_internal.h"
-
-// An implementation of semaphores using mutexes and condition variables
-
-#include "SDL_systhread_c.h"
-
-#ifdef SDL_THREADS_DISABLED
-
-SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
-{
-    SDL_SetError("SDL not built with thread support");
-    return NULL;
-}
-
-void SDL_DestroySemaphore(SDL_Semaphore *sem)
-{
-}
-
-bool SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS)
-{
-    return true;
-}
-
-Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
-{
-    return 0;
-}
-
-void SDL_SignalSemaphore(SDL_Semaphore *sem)
-{
-    return;
-}
-
-#else
-
-struct SDL_Semaphore
-{
-    Uint32 count;
-    Uint32 waiters_count;
-    SDL_Mutex *count_lock;
-    SDL_Condition *count_nonzero;
-};
-
-SDL_Semaphore *SDL_CreateSemaphore(Uint32 initial_value)
-{
-    SDL_Semaphore *sem;
-
-    sem = (SDL_Semaphore *)SDL_malloc(sizeof(*sem));
-    if (!sem) {
-        return NULL;
-    }
-    sem->count = initial_value;
-    sem->waiters_count = 0;
-
-    sem->count_lock = SDL_CreateMutex();
-    sem->count_nonzero = SDL_CreateCondition();
-    if (!sem->count_lock || !sem->count_nonzero) {
-        SDL_DestroySemaphore(sem);
-        return NULL;
-    }
-
-    return sem;
-}
-
-/* WARNING:
-   You cannot call this function when another thread is using the semaphore.
-*/
-void SDL_DestroySemaphore(SDL_Semaphore *sem)
-{
-    if (sem) {
-        sem->count = 0xFFFFFFFF;
-        while (sem->waiters_count > 0) {
-            SDL_SignalCondition(sem->count_nonzero);
-            SDL_Delay(10);
-        }
-        SDL_DestroyCondition(sem->count_nonzero);
-        if (sem->count_lock) {
-            SDL_LockMutex(sem->count_lock);
-            SDL_UnlockMutex(sem->count_lock);
-            SDL_DestroyMutex(sem->count_lock);
-        }
-        SDL_free(sem);
-    }
-}
-
-bool SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS)
-{
-    bool result = false;
-
-    if (!sem) {
-        return true;
-    }
-
-    if (timeoutNS == 0) {
-        SDL_LockMutex(sem->count_lock);
-        if (sem->count > 0) {
-            --sem->count;
-            result = true;
-        }
-        SDL_UnlockMutex(sem->count_lock);
-    } else if (timeoutNS < 0) {
-        SDL_LockMutex(sem->count_lock);
-        ++sem->waiters_count;
-        while (sem->count == 0) {
-            SDL_WaitConditionTimeoutNS(sem->count_nonzero, sem->count_lock, -1);
-        }
-        --sem->waiters_count;
-        --sem->count;
-        result = true;
-        SDL_UnlockMutex(sem->count_lock);
-    } else {
-        Uint64 stop_time = SDL_GetTicksNS() + timeoutNS;
-
-        SDL_LockMutex(sem->count_lock);
-        ++sem->waiters_count;
-        while (sem->count == 0) {
-            Sint64 waitNS = (Sint64)(stop_time - SDL_GetTicksNS());
-            if (waitNS > 0) {
-                SDL_WaitConditionTimeoutNS(sem->count_nonzero, sem->count_lock, waitNS);
-            } else {
-                break;
-            }
-        }
-        --sem->waiters_count;
-
-        if (sem->count > 0) {
-            --sem->count;
-            result = true;
-        }
-        SDL_UnlockMutex(sem->count_lock);
-    }
-
-    return result;
-}
-
-Uint32 SDL_GetSemaphoreValue(SDL_Semaphore *sem)
-{
-    Uint32 value;
-
-    value = 0;
-    if (sem) {
-        SDL_LockMutex(sem->count_lock);
-        value = sem->count;
-        SDL_UnlockMutex(sem->count_lock);
-    }
-    return value;
-}
-
-void SDL_SignalSemaphore(SDL_Semaphore *sem)
-{
-    if (!sem) {
-        return;
-    }
-
-    SDL_LockMutex(sem->count_lock);
-    if (sem->waiters_count > 0) {
-        SDL_SignalCondition(sem->count_nonzero);
-    }
-    ++sem->count;
-    SDL_UnlockMutex(sem->count_lock);
-}
-
-#endif // SDL_THREADS_DISABLED
-- 
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