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author Miodrag Milanović <mmicko@gmail.com>2023-02-26 19:40:37 +0100
committer GitHub <noreply@github.com>2023-02-27 05:40:37 +1100
commitbd59a0d447b861982429905f186dee8b12f2e777 (patch)
treedc6341c8fb098818039127f758cf3eb0fade986a /3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c
parent28b03e92a84daf79eb3cef75c51c014b2f57807b (diff)
Removed local copy of SDL source and update Android build support. (#10899)
* Removed SDL2 source. * Updated gradle. * Updated SDL2 Java support glue code. * Increased minimum supported Android API version to 24. * Updated required asset files for Android app. * Added proper tag for Android logging. * Added SDL2 hint to make BGFX work on Android.
Diffstat (limited to '3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c')
-rw-r--r--3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c b/3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c
deleted file mode 100644
index f2f6689700d..00000000000
--- a/3rdparty/SDL2/src/thread/generic/SDL_sysmutex.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 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 mutexes using semaphores */
-
-#include "SDL_thread.h"
-#include "SDL_systhread_c.h"
-
-
-struct SDL_mutex
-{
- int recursive;
- SDL_threadID owner;
- SDL_sem *sem;
-};
-
-/* Create a mutex */
-SDL_mutex *
-SDL_CreateMutex(void)
-{
- SDL_mutex *mutex;
-
- /* Allocate mutex memory */
- mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
- if (mutex) {
- /* Create the mutex semaphore, with initial value 1 */
- mutex->sem = SDL_CreateSemaphore(1);
- mutex->recursive = 0;
- mutex->owner = 0;
- if (!mutex->sem) {
- SDL_free(mutex);
- mutex = NULL;
- }
- } else {
- SDL_OutOfMemory();
- }
- return mutex;
-}
-
-/* Free the mutex */
-void
-SDL_DestroyMutex(SDL_mutex * mutex)
-{
- if (mutex) {
- if (mutex->sem) {
- SDL_DestroySemaphore(mutex->sem);
- }
- SDL_free(mutex);
- }
-}
-
-/* Lock the mutex */
-int
-SDL_LockMutex(SDL_mutex * mutex)
-{
-#if SDL_THREADS_DISABLED
- return 0;
-#else
- SDL_threadID this_thread;
-
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- this_thread = SDL_ThreadID();
- if (mutex->owner == this_thread) {
- ++mutex->recursive;
- } else {
- /* The order of operations is important.
- We set the locking thread id after we obtain the lock
- so unlocks from other threads will fail.
- */
- SDL_SemWait(mutex->sem);
- mutex->owner = this_thread;
- mutex->recursive = 0;
- }
-
- return 0;
-#endif /* SDL_THREADS_DISABLED */
-}
-
-/* try Lock the mutex */
-int
-SDL_TryLockMutex(SDL_mutex * mutex)
-{
-#if SDL_THREADS_DISABLED
- return 0;
-#else
- int retval = 0;
- SDL_threadID this_thread;
-
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- this_thread = SDL_ThreadID();
- if (mutex->owner == this_thread) {
- ++mutex->recursive;
- } else {
- /* The order of operations is important.
- We set the locking thread id after we obtain the lock
- so unlocks from other threads will fail.
- */
- retval = SDL_SemWait(mutex->sem);
- if (retval == 0) {
- mutex->owner = this_thread;
- mutex->recursive = 0;
- }
- }
-
- return retval;
-#endif /* SDL_THREADS_DISABLED */
-}
-
-/* Unlock the mutex */
-int
-SDL_mutexV(SDL_mutex * mutex)
-{
-#if SDL_THREADS_DISABLED
- return 0;
-#else
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- /* If we don't own the mutex, we can't unlock it */
- if (SDL_ThreadID() != mutex->owner) {
- return SDL_SetError("mutex not owned by this thread");
- }
-
- if (mutex->recursive) {
- --mutex->recursive;
- } else {
- /* The order of operations is important.
- First reset the owner so another thread doesn't lock
- the mutex and set the ownership before we reset it,
- then release the lock semaphore.
- */
- mutex->owner = 0;
- SDL_SemPost(mutex->sem);
- }
- return 0;
-#endif /* SDL_THREADS_DISABLED */
-}
-
-/* vi: set ts=4 sw=4 expandtab: */