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 time_t xtime(time_t *when);
52 /* the above all call @fatal@ if the system call fails */
54 void nonblock(int fd);
55 void blocking(int fd);
57 /* make @fd@ non-blocking/blocking/close-on-exec; call @fatal@ on error. */
59 int mustnotbeminus1(const char *what, int value);
60 /* If @value@ is -1, report an error including @what@. */
62 int xstrtol(long *n, const char *s, char **ep, int base);
63 int xstrtoll(long_long *n, const char *s, char **ep, int base);
64 /* like strtol() but returns errno on error, 0 on success */
66 #endif /* SYSCALLS_H */