Use fcntl() to put the audio device *back* into blocking mode after
opening it in non-blocking mode. Both Guido and David Hammerton have
reported that this fixes their problems with ossaudiodev -- hooray!
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index 0777840..948ffe7 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -139,6 +139,15 @@
PyErr_SetFromErrnoWithFilename(PyExc_IOError, basedev);
return NULL;
}
+
+ /* And (try to) put it back in blocking mode so we get the
+ expected write() semantics. */
+ if (fcntl(fd, F_SETFL, 0) == -1) {
+ close(fd);
+ PyErr_SetFromErrnoWithFilename(PyExc_IOError, basedev);
+ return NULL;
+ }
+
if (ioctl(fd, SNDCTL_DSP_GETFMTS, &afmts) == -1) {
PyErr_SetFromErrnoWithFilename(PyExc_IOError, basedev);
return NULL;