Leahnaya/SDL
1
0
Fork 0
mirror of https://github.com/yawut/SDL.git synced 2026-08-25 18:25:16 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed blocking open bug when using blocking audio writes

Browse Source
This commit is contained in:
Sam Lantinga
2001-07-09 15:46:41 +00:00
parent ae5fccdf7c
commit a4899fcf59
1 changed files with 12 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/audio/dsp/SDL_dspaudio.c
View File

@@ -58,11 +58,7 @@ static char rcsid =
/* Open the audio device for playback, and don't block if busy */
#define USE_BLOCKING_WRITES
#ifdef USE_BLOCKING_WRITES
#define OPEN_FLAGS O_WRONLY
#else
#define OPEN_FLAGS (O_WRONLY|O_NONBLOCK)
#endif
/* Audio driver functions */
static int DSP_OpenAudio(_THIS, SDL_AudioSpec *spec);
@@ -339,6 +335,18 @@ static int DSP_OpenAudio(_THIS, SDL_AudioSpec *spec)
}
mixbuf = NULL;
#ifdef USE_BLOCKING_WRITES
/* Make the file descriptor use blocking writes with fcntl() */
{ long flags;
flags = fcntl(audio_fd, F_GETFL);
flags &= ~O_NONBLOCK;
if ( fcntl(audio_fd, F_SETFL, flags) < 0 ) {
SDL_SetError("Couldn't set audio blocking mode");
return(-1);
}
}
#endif
/* Get a list of supported hardware formats */
if ( ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &value) < 0 ) {
SDL_SetError("Couldn't get audio format list");