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Merge pull request #236 from edubart/fix-pa-data-race

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Fix data race on pulseaudio startup
This commit is contained in:
David Reid
2020-12-01 20:43:32 +10:00
committed by GitHub
parent 9972c8c83b 8004aa1af8
commit 1cda7c730b
1 changed files with 9 additions and 4 deletions
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miniaudio.h
+9 -4
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@@ -22818,9 +22818,13 @@ static ma_result ma_context_init__pulse(const ma_context_config* pConfig, ma_con
return result;
}
/* We should start the mainloop locked and unlock once ready to wait . */
ma_mainloop_lock__pulse(pContext, "ma_context_init__pulse");
/* With the mainloop created we can now start it. */
result = ma_result_from_pulse(((ma_pa_threaded_mainloop_start_proc)pContext->pulse.pa_threaded_mainloop_start)((ma_pa_threaded_mainloop*)pContext->pulse.pMainLoop));
if (result != MA_SUCCESS) {
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
ma_context_post_error(pContext, NULL, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to start mainloop.", result);
((ma_pa_context_unref_proc)pContext->pulse.pa_context_unref)((ma_pa_context*)pContext->pulse.pPulseContext);
((ma_pa_threaded_mainloop_free_proc)pContext->pulse.pa_threaded_mainloop_free)((ma_pa_threaded_mainloop*)(pContext->pulse.pMainLoop));
@@ -22830,10 +22834,9 @@ static ma_result ma_context_init__pulse(const ma_context_config* pConfig, ma_con
return result;
}
ma_mainloop_lock__pulse(pContext, "ma_context_init__pulse");
pContext->pulse.pPulseContext = ((ma_pa_context_new_proc)pContext->pulse.pa_context_new)(((ma_pa_threaded_mainloop_get_api_proc)pContext->pulse.pa_threaded_mainloop_get_api)((ma_pa_threaded_mainloop*)pContext->pulse.pMainLoop), pConfig->pulse.pApplicationName);
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
if (pContext->pulse.pPulseContext == NULL) {
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
result = ma_context_post_error(pContext, NULL, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to create PulseAudio context.", MA_FAILED_TO_INIT_BACKEND);
((ma_pa_threaded_mainloop_stop_proc)pContext->pulse.pa_threaded_mainloop_stop)((ma_pa_threaded_mainloop*)(pContext->pulse.pMainLoop));
((ma_pa_threaded_mainloop_free_proc)pContext->pulse.pa_threaded_mainloop_free)((ma_pa_threaded_mainloop*)(pContext->pulse.pMainLoop));
@@ -22844,10 +22847,9 @@ static ma_result ma_context_init__pulse(const ma_context_config* pConfig, ma_con
}
/* Now we need to connect to the context. Everything is asynchronous so we need to wait for it to connect before returning. */
ma_mainloop_lock__pulse(pContext, "ma_context_init__pulse");
result = ma_result_from_pulse(((ma_pa_context_connect_proc)pContext->pulse.pa_context_connect)((ma_pa_context*)pContext->pulse.pPulseContext, pConfig->pulse.pServerName, (pConfig->pulse.tryAutoSpawn) ? 0 : MA_PA_CONTEXT_NOAUTOSPAWN, NULL));
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
if (result != MA_SUCCESS) {
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
ma_context_post_error(pContext, NULL, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to connect PulseAudio context.", result);
((ma_pa_threaded_mainloop_stop_proc)pContext->pulse.pa_threaded_mainloop_stop)((ma_pa_threaded_mainloop*)(pContext->pulse.pMainLoop));
((ma_pa_threaded_mainloop_free_proc)pContext->pulse.pa_threaded_mainloop_free)((ma_pa_threaded_mainloop*)(pContext->pulse.pMainLoop));
@@ -22857,6 +22859,9 @@ static ma_result ma_context_init__pulse(const ma_context_config* pConfig, ma_con
return result;
}
/* Can now unlock. */
ma_mainloop_unlock__pulse(pContext, "ma_context_init__pulse");
/* Since ma_context_init() runs synchronously we need to wait for the PulseAudio context to connect before we return. */
result = ma_context_wait_for_pa_context_to_connect__pulse(pContext);
if (result != MA_SUCCESS) {