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Issue #12196: Add pipe2() to the os module.

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This commit is contained in:
Charles-François Natali 2011-05-29 20:07:40 +02:00
parent 04a90b4611
commit daafdd5bea
7 changed files with 71 additions and 13 deletions
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28
Modules/posixmodule.c
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@ -6547,6 +6547,31 @@ posix_pipe(PyObject *self, PyObject *noargs)
}
#endif /* HAVE_PIPE */
#ifdef HAVE_PIPE2
PyDoc_STRVAR(posix_pipe2__doc__,
"pipe2(flags=0) -> (read_end, write_end)\n\n\
Create a pipe with flags set atomically.\
flags is optional and can be constructed by ORing together zero or more\n\
of these values: O_NONBLOCK, O_CLOEXEC.\n\
");
static PyObject *
posix_pipe2(PyObject *self, PyObject *args)
{
int flags = 0;
int fds[2];
int res;
if (!PyArg_ParseTuple(args, "|i:pipe2", &flags))
return NULL;
res = pipe2(fds, flags);
if (res != 0)
return posix_error();
return Py_BuildValue("(ii)", fds[0], fds[1]);
}
#endif /* HAVE_PIPE2 */
#ifdef HAVE_WRITEV
PyDoc_STRVAR(posix_writev__doc__,
"writev(fd, buffers) -> byteswritten\n\n\
@ -9441,6 +9466,9 @@ static PyMethodDef posix_methods[] = {
#ifdef HAVE_PIPE
{"pipe", posix_pipe, METH_NOARGS, posix_pipe__doc__},
#endif
#ifdef HAVE_PIPE2
{"pipe2", posix_pipe2, METH_VARARGS, posix_pipe2__doc__},
#endif
#ifdef HAVE_MKFIFO
{"mkfifo", posix_mkfifo, METH_VARARGS, posix_mkfifo__doc__},
#endif