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audio/sdl: be more anal about errors

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Signed-off-by: malc <av1474@comtv.ru>
This commit is contained in:
malc 2010-08-06 13:09:41 +04:00
parent 4b7c0418c0
commit d087bb3e38
1 changed files with 18 additions and 3 deletions
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21
audio/sdlaudio.c
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@ -184,11 +184,19 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt)
{
int status;
#ifndef _WIN32
int err;
sigset_t new, old;
/* Make sure potential threads created by SDL don't hog signals. */
sigfillset (&new);
pthread_sigmask (SIG_BLOCK, &new, &old);
err = sigfillset (&new);
if (err) {
dolog ("sdl_open: sigfillset failed: %s\n", strerror (errno));
}
err = pthread_sigmask (SIG_BLOCK, &new, &old);
if (err) {
dolog ("sdl_open: pthread_sigmask failed: %s\n", strerror (err));
return -1;
}
#endif
status = SDL_OpenAudio (req, obt);
@ -197,7 +205,14 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt)
}
#ifndef _WIN32
pthread_sigmask (SIG_SETMASK, &old, NULL);
err = pthread_sigmask (SIG_SETMASK, &old, NULL);
if (err) {
dolog ("sdl_open: pthread_sigmask (restore) failed: %s\n",
strerror (errno));
/* We have failed to restore original signal mask, all bets are off,
so exit the process */
exit (EXIT_FAILURE);
}
#endif
return status;
}