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testthread: verify that child threads aren't SDL_IsMainThread()

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This commit is contained in:
Sam Lantinga
2025-11-30 10:51:19 -08:00
parent 955698c635
commit ea1514ab63
1 changed files with 31 additions and 6 deletions
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37
test/testthread.c
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@@ -54,8 +54,14 @@ getprioritystr(SDL_ThreadPriority priority)
return "???";
}
static int SDLCALL
ThreadFunc(void *data)
static int SDLCALL CheckMainThread(void *data)
{
bool *thread_is_main = (bool *)data;
*thread_is_main = SDL_IsMainThread();
return 0;
}
static int SDLCALL ThreadFunc(void *data)
{
SDL_ThreadPriority prio = SDL_THREAD_PRIORITY_NORMAL;
@@ -91,6 +97,7 @@ killed(int sig)
int main(int argc, char *argv[])
{
int i;
bool child_is_main = true;
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, 0);
@@ -112,15 +119,33 @@ int main(int argc, char *argv[])
if (consumed <= 0) {
static const char *options[] = { "[--prio]", NULL };
SDLTest_CommonLogUsage(state, argv[0], options);
exit(1);
quit(1);
}
i += consumed;
}
/* Check main thread */
if (!SDL_IsMainThread()) {
SDL_Log("SDL_IsMainThread() returned false for the main thread");
quit(1);
}
thread = SDL_CreateThread(CheckMainThread, "CheckMainThread", &child_is_main);
if (!thread) {
SDL_Log("Couldn't create thread: %s", SDL_GetError());
quit(1);
}
SDL_WaitThread(thread, NULL);
if (child_is_main) {
SDL_Log("SDL_IsMainThread() returned true for a child thread");
quit(1);
}
if (SDL_GetEnvironmentVariable(SDL_GetEnvironment(), "SDL_TESTS_QUICK") != NULL) {
SDL_Log("Not running slower tests");
SDL_Quit();
quit(0);
return 0;
}
@@ -130,7 +155,7 @@ int main(int argc, char *argv[])
SDL_SetAtomicInt(&alive, 1);
thread = SDL_CreateThread(ThreadFunc, "One", "#1");
if (!thread) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s", SDL_GetError());
SDL_Log("Couldn't create thread: %s", SDL_GetError());
quit(1);
}
SDL_Delay(5 * 1000);
@@ -144,7 +169,7 @@ int main(int argc, char *argv[])
(void)signal(SIGTERM, killed);
thread = SDL_CreateThread(ThreadFunc, "Two", "#2");
if (!thread) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s", SDL_GetError());
SDL_Log("Couldn't create thread: %s", SDL_GetError());
quit(1);
}
(void)raise(SIGTERM);