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Remove the reference to the thread when it is detached

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Fixes https://github.com/libsdl-org/SDL/issues/12301
This commit is contained in:
Sam Lantinga
2025-02-16 07:55:58 -08:00
parent 831fc70923
commit e3d9f1172c
1 changed files with 4 additions and 2 deletions
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6
src/thread/SDL_thread.c
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@@ -334,7 +334,6 @@ void SDL_RunThread(SDL_Thread *thread)
if (!SDL_CompareAndSwapAtomicInt(&thread->state, SDL_THREAD_ALIVE, SDL_THREAD_COMPLETE)) {
// Clean up if something already detached us.
if (SDL_GetThreadState(thread) == SDL_THREAD_DETACHED) {
SDL_SetObjectValid(thread, SDL_OBJECT_TYPE_THREAD, false);
SDL_free(thread->name); // Can't free later, we've already cleaned up TLS
SDL_free(thread);
}
@@ -457,7 +456,7 @@ bool SDL_SetCurrentThreadPriority(SDL_ThreadPriority priority)
void SDL_WaitThread(SDL_Thread *thread, int *status)
{
if (!ThreadValid(thread) || SDL_GetThreadState(thread) == SDL_THREAD_DETACHED) {
if (!ThreadValid(thread)) {
if (status) {
*status = -1;
}
@@ -488,6 +487,9 @@ void SDL_DetachThread(SDL_Thread *thread)
return;
}
// The thread may vanish at any time, it's no longer valid
SDL_SetObjectValid(thread, SDL_OBJECT_TYPE_THREAD, false);
// Grab dibs if the state is alive+joinable.
if (SDL_CompareAndSwapAtomicInt(&thread->state, SDL_THREAD_ALIVE, SDL_THREAD_DETACHED)) {
SDL_SYS_DetachThread(thread);