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Issue #11657: Fix sending file descriptors over 255 over a multiprocessing Pipe.

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Also added some tests.
This commit is contained in:
Antoine Pitrou 2011-08-23 19:48:34 +02:00
commit 162fee109b
4 changed files with 86 additions and 4 deletions
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4
Modules/_multiprocessing/multiprocessing.c
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@ -111,7 +111,7 @@ multiprocessing_sendfd(PyObject *self, PyObject *args)
cmsg->cmsg_type = SCM_RIGHTS;
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
msg.msg_controllen = cmsg->cmsg_len;
*CMSG_DATA(cmsg) = fd;
* (int *) CMSG_DATA(cmsg) = fd;
Py_BEGIN_ALLOW_THREADS
res = sendmsg(conn, &msg, 0);
@ -154,7 +154,7 @@ multiprocessing_recvfd(PyObject *self, PyObject *args)
if (res < 0)
return PyErr_SetFromErrno(PyExc_OSError);
fd = *CMSG_DATA(cmsg);
fd = * (int *) CMSG_DATA(cmsg);
return Py_BuildValue("i", fd);
}