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Merge pull request #2069 from hjp/master

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Constantin Rack 2016-07-30 22:06:27 +02:00 committed by GitHub
commit 61f9e71ee2
2 changed files with 10 additions and 2 deletions
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6
src/ipc_listener.cpp
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@ -390,7 +390,11 @@ zmq::fd_t zmq::ipc_listener_t::accept ()
// The situation where connection cannot be accepted due to insufficient
// resources is considered valid and treated by ignoring the connection.
zmq_assert (s != retired_fd);
#if defined ZMQ_HAVE_SOCK_CLOEXEC
fd_t sock = ::accept4 (s, (struct sockaddr *) &ss, &ss_len, SOCK_CLOEXEC);
#else
fd_t sock = ::accept (s, NULL, NULL);
#endif
if (sock == -1) {
errno_assert (errno == EAGAIN || errno == EWOULDBLOCK ||
errno == EINTR || errno == ECONNABORTED || errno == EPROTO ||
@ -398,9 +402,9 @@ zmq::fd_t zmq::ipc_listener_t::accept ()
return retired_fd;
}
#if !defined ZMQ_HAVE_SOCK_CLOEXEC && defined FD_CLOEXEC
// Race condition can cause socket not to be closed (if fork happens
// between accept and this point).
#ifdef FD_CLOEXEC
int rc = fcntl (sock, F_SETFD, FD_CLOEXEC);
errno_assert (rc != -1);
#endif

6
src/tcp_listener.cpp
View File

@ -273,7 +273,11 @@ zmq::fd_t zmq::tcp_listener_t::accept ()
#else
socklen_t ss_len = sizeof (ss);
#endif
#if defined ZMQ_HAVE_SOCK_CLOEXEC
fd_t sock = ::accept4 (s, (struct sockaddr *) &ss, &ss_len, SOCK_CLOEXEC);
#else
fd_t sock = ::accept (s, (struct sockaddr *) &ss, &ss_len);
#endif
#ifdef ZMQ_HAVE_WINDOWS
if (sock == INVALID_SOCKET) {
@ -299,9 +303,9 @@ zmq::fd_t zmq::tcp_listener_t::accept ()
}
#endif
#if !defined ZMQ_HAVE_SOCK_CLOEXEC && defined FD_CLOEXEC
// Race condition can cause socket not to be closed (if fork happens
// between accept and this point).
#ifdef FD_CLOEXEC
int rc = fcntl (sock, F_SETFD, FD_CLOEXEC);
errno_assert (rc != -1);
#endif