2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 /** @file lib/syscalls.h
19 * @brief Error-checking library call wrappers
24 /* various error-handling wrappers. Not actually all system calls! */
30 #include <sys/socket.h>
34 void xclose_guts(const char *, int, int);
35 #define xclose(fd) xclose_guts(__FILE__, __LINE__, fd)
38 int xfcntl(int, int, long);
39 void xlisten(int, int);
40 void xshutdown(int, int);
41 void xsetsockopt(int, int, int, const void *, socklen_t
);
42 int xsocket(int, int, int);
43 void xconnect(int, const struct sockaddr
*, socklen_t
);
44 void xsigprocmask(int how
, const sigset_t
*set
, sigset_t
*oldset
);
45 void xsigaction(int sig
, const struct sigaction
*sa
, struct sigaction
*oldsa
);
46 int xprintf(const char *, ...)
47 attribute((format (printf
, 1, 2)));
50 void xgettimeofday(struct timeval
*, struct timezone
*);
51 /* the above all call @fatal@ if the system call fails */
53 void nonblock(int fd
);
54 void blocking(int fd
);
56 /* make @fd@ non-blocking/blocking/close-on-exec; call @fatal@ on error. */
58 int mustnotbeminus1(const char *what
, int value
);
59 /* If @value@ is -1, report an error including @what@. */
61 int xstrtol(long *n
, const char *s
, char **ep
, int base
);
62 int xstrtoll(long_long
*n
, const char *s
, char **ep
, int base
);
63 /* like strtol() but returns errno on error, 0 on success */
65 #endif /* SYSCALLS_H */