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Fix LIBZMQ-404: zmq_term not truly re-entrant

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zmq_term can not safely be re-entered with pgm transport.
Fix proposed by Steven McCoy.
This commit is contained in:
Ricardo Catalinas Jiménez 2012-07-28 11:04:03 +02:00
parent 631e12d4e5
commit 92bee5a6db
1 changed files with 10 additions and 7 deletions
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17
src/zmq.cpp
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@ -169,21 +169,24 @@ int zmq_ctx_destroy (void *ctx_)
errno = EFAULT;
return -1;
}
int rc = ((zmq::ctx_t*) ctx_)->terminate ();
int en = errno;
// Shut down only if termination was not interrupted by a signal.
if (!rc || en != EINTR) {
#ifdef ZMQ_HAVE_WINDOWS
// On Windows, uninitialise socket layer.
rc = WSACleanup ();
wsa_assert (rc != SOCKET_ERROR);
// On Windows, uninitialise socket layer.
rc = WSACleanup ();
wsa_assert (rc != SOCKET_ERROR);
#endif
#if defined ZMQ_HAVE_OPENPGM
// Shut down the OpenPGM library.
if (pgm_shutdown () != TRUE)
zmq_assert (false);
// Shut down the OpenPGM library.
if (pgm_shutdown () != TRUE)
zmq_assert (false);
#endif
}
errno = en;
return rc;