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Added O_NONBLOCK to all open() calls, so that PortAudio

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does not hang if the device is in use by another program.
This commit is contained in:
dmazzoni 2002-02-18 06:07:07 +00:00
commit 5f6b6644dd
1 changed files with 4 additions and 4 deletions
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8
pa_unix_oss/pa_unix_oss.c
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@ -249,7 +249,7 @@ static PaError Pa_QueryDevice( const char *deviceName, internalPortAudioDevice *
the correct order for OSS is: format, channels, sample rate
*/
if ( (tempDevHandle = open(deviceName,O_WRONLY)) == -1 )
if ( (tempDevHandle = open(deviceName,O_WRONLY|O_NONBLOCK)) == -1 )
{
DBUG(("Pa_QueryDevice: could not open %s\n", deviceName ));
return paHostError;
@ -777,7 +777,7 @@ PaError PaHost_OpenStream( internalPortAudioStream *past )
pad = Pa_GetInternalDevice( past->past_OutputDeviceID );
DBUG(("PaHost_OpenStream: attempt to open %s for O_RDWR\n", pad->pad_DeviceName ));
pahsc->pahsc_OutputHandle = pahsc->pahsc_InputHandle =
open(pad->pad_DeviceName,O_RDWR);
open(pad->pad_DeviceName,O_RDWR|O_NONBLOCK);
if(pahsc->pahsc_InputHandle==-1)
{
ERR_RPT(("PaHost_OpenStream: could not open %s for O_RDWR\n", pad->pad_DeviceName ));
@ -797,7 +797,7 @@ PaError PaHost_OpenStream( internalPortAudioStream *past )
{
pad = Pa_GetInternalDevice( past->past_OutputDeviceID );
DBUG(("PaHost_OpenStream: attempt to open %s for O_WRONLY\n", pad->pad_DeviceName ));
pahsc->pahsc_OutputHandle = open(pad->pad_DeviceName,O_WRONLY);
pahsc->pahsc_OutputHandle = open(pad->pad_DeviceName,O_WRONLY|O_NONBLOCK);
if(pahsc->pahsc_OutputHandle==-1)
{
ERR_RPT(("PaHost_OpenStream: could not open %s for O_WRONLY\n", pad->pad_DeviceName ));
@ -815,7 +815,7 @@ PaError PaHost_OpenStream( internalPortAudioStream *past )
{
pad = Pa_GetInternalDevice( past->past_InputDeviceID );
DBUG(("PaHost_OpenStream: attempt to open %s for O_RDONLY\n", pad->pad_DeviceName ));
pahsc->pahsc_InputHandle = open(pad->pad_DeviceName,O_RDONLY);
pahsc->pahsc_InputHandle = open(pad->pad_DeviceName,O_RDONLY|O_NONBLOCK);
if(pahsc->pahsc_InputHandle==-1)
{
ERR_RPT(("PaHost_OpenStream: could not open %s for O_RDONLY\n", pad->pad_DeviceName ));