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Open with O_NONBLOCK to avoid hanging on open().

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Greg Ward 2003-03-11 16:53:13 +00:00
parent 315aa361fc
commit 5c49ef2116
1 changed files with 5 additions and 1 deletions
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6
Modules/ossaudiodev.c
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@ -131,7 +131,11 @@ newossobject(PyObject *arg)
basedev = "/dev/dsp"; basedev = "/dev/dsp";
} }
if ((fd = open(basedev, imode)) == -1) { /* Open with O_NONBLOCK to avoid hanging on devices that only allow
one open at a time. This does *not* affect later I/O; OSS
provides a special ioctl() for non-blocking read/write, which is
exposed via oss_nonblock() below. */
if ((fd = open(basedev, imode|O_NONBLOCK)) == -1) {
PyErr_SetFromErrnoWithFilename(PyExc_IOError, basedev); PyErr_SetFromErrnoWithFilename(PyExc_IOError, basedev);
return NULL; return NULL;
} }