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pulseaudio: Hotplug thread fixes.

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This used a tiny stack, which apparently upsets Blender for various
technical reasons. Instead, just use the default stack size, which should
give it plenty of space to work.

If the thread failed to create, we would then wait on a semaphore that would
never trigger, so don't do that anymore!

Fixes #10806.

(cherry-picked from commit b7dc30ca24)

(cherry picked from commit 58f2586b44)
This commit is contained in:
Ryan C. Gordon 2024-09-12 18:00:58 -04:00 • committed by Sam Lantinga
parent d32189918b
commit e9efcfb428
1 changed files with 6 additions and 2 deletions
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8
src/audio/pulseaudio/SDL_pulseaudio.c
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@ -897,8 +897,12 @@ static void PULSEAUDIO_DetectDevices(void)
/* ok, we have a sane list, let's set up hotplug notifications now... */
SDL_AtomicSet(&pulseaudio_hotplug_thread_active, 1);
pulseaudio_hotplug_thread = SDL_CreateThreadInternal(HotplugThread, "PulseHotplug", 256 * 1024, ready_sem); /* !!! FIXME: this can probably survive in significantly less stack space. */
SDL_SemWait(ready_sem);
pulseaudio_hotplug_thread = SDL_CreateThreadInternal(HotplugThread, "PulseHotplug", 0, ready_sem);
if (pulseaudio_hotplug_thread) {
SDL_SemWait(ready_sem);
} else {
SDL_AtomicSet(&pulseaudio_hotplug_thread_active, 0); // thread failed to start, we'll go on without hotplug.
}
SDL_DestroySemaphore(ready_sem);
}