usock.h

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