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ff50f6bfc4
Some system C libraries do not have SOCK_CLOEXEC, and completely miss accept4(), too. Provide a fallback for this case. This changes the behaviour: no error messages are printed now for failing to set CLOEXEC but the file descriptor is closed. The unit test for this wrapper is NOT included. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Copyright © 2012 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef WAYLAND_OS_H
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#define WAYLAND_OS_H
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int
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wl_os_socket_cloexec(int domain, int type, int protocol);
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int
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wl_os_dupfd_cloexec(int fd, long minfd);
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ssize_t
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wl_os_recvmsg_cloexec(int sockfd, struct msghdr *msg, int flags);
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int
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wl_os_epoll_create_cloexec(void);
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int
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wl_os_accept_cloexec(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
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/*
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* The following are for wayland-os.c and the unit tests.
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* Do not use them elsewhere.
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*/
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#ifdef __linux__
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#ifndef SOCK_CLOEXEC
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#define SOCK_CLOEXEC 02000000
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#endif
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#ifndef F_DUPFD_CLOEXEC
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#define F_DUPFD_CLOEXEC 1030
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#endif
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#ifndef MSG_CMSG_CLOEXEC
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#define MSG_CMSG_CLOEXEC 0x40000000
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#endif
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#endif /* __linux__ */
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#endif
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