commit e784ba70e016eed3203e403256f87b34dd6ef48b
author ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Jul 11 23:23:15 2007 +0000
committer ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Jul 11 23:23:15 2007 +0000
tree acb8b64af36c8467796568b5e70b9dac672c4880
parent af3a9031061251fbbee2c1f06b876c3732cfee71

Ensure signals are properly masked for new SDL Audio threads, by Andrzej
Zaborowski.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3069 c046a42c-6fe2-441c-8c8c-71466251a162

audio/sdlaudio.c

diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c
index f2a6896..11edab0 100644
--- a/audio/sdlaudio.c
+++ b/audio/sdlaudio.c
@@ -25,6 +25,13 @@
 #include <SDL_thread.h>
 #include "vl.h"
 
+#ifndef _WIN32
+#ifdef __sun__
+#define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+#include <signal.h>
+#endif
+
 #define AUDIO_CAP "sdl"
 #include "audio_int.h"
 
@@ -177,11 +184,22 @@
 static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt)
 {
     int status;
+#ifndef _WIN32
+    sigset_t new, old;
+
+    /* Make sure potential threads created by SDL don't hog signals.  */
+    sigfillset (&new);
+    pthread_sigmask (SIG_BLOCK, &new, &old);
+#endif
 
     status = SDL_OpenAudio (req, obt);
     if (status) {
         sdl_logerr ("SDL_OpenAudio failed\n");
     }
+
+#ifndef _WIN32
+    pthread_sigmask (SIG_SETMASK, &old, 0);
+#endif
     return status;
 }