54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* usock - socket helper functions
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*
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* Copyright (C) 2010 Steven Barth <steven@midlink.org>
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* Copyright (C) 2011-2012 Felix Fietkau <nbd@openwrt.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef USOCK_H_
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#define USOCK_H_
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#define USOCK_TCP 0
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#define USOCK_UDP 1
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#define USOCK_SERVER 0x0100
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#define USOCK_NOCLOEXEC 0x0200
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#define USOCK_NONBLOCK 0x0400
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#define USOCK_NUMERIC 0x0800
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#define USOCK_IPV6ONLY 0x2000
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#define USOCK_IPV4ONLY 0x4000
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#define USOCK_UNIX 0x8000
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const char *usock_port(int port);
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int usock(int type, const char *host, const char *service);
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int usock_inet_timeout(int type, const char *host, const char *service,
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void *addr, int timeout);
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static inline int
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usock_inet(int type, const char *host, const char *service, void *addr)
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{
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return usock_inet_timeout(type, host, service, addr, -1);
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}
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/**
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* Wait for a socket to become ready.
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*
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* This may be useful for users of USOCK_NONBLOCK to wait (with a timeout)
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* for a socket.
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*
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* @param fd file descriptor of socket
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* @param msecs timeout in microseconds
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*/
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int usock_wait_ready(int fd, int msecs);
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#endif /* USOCK_H_ */
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