| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell |
| 4 | * |
| 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. |
| 9 | * |
| 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. |
| 14 | * |
| 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/>. |
| 17 | */ |
| 18 | /** @file lib/syscalls.h |
| 19 | * @brief Error-checking library call wrappers |
| 20 | */ |
| 21 | #ifndef SYSCALLS_H |
| 22 | #define SYSCALLS_H |
| 23 | |
| 24 | /* various error-handling wrappers. Not actually all system calls! */ |
| 25 | |
| 26 | struct sockaddr; |
| 27 | struct sigaction; |
| 28 | struct timezone; |
| 29 | |
| 30 | #include <sys/socket.h> |
| 31 | #include <signal.h> |
| 32 | |
| 33 | pid_t xfork(void); |
| 34 | void xclose_guts(const char *, int, int); |
| 35 | #define xclose(fd) xclose_guts(__FILE__, __LINE__, fd) |
| 36 | void xdup2(int, int); |
| 37 | void xpipe(int *); |
| 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))); |
| 48 | void xfclose(FILE *); |
| 49 | int xnice(int); |
| 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 */ |
| 53 | |
| 54 | void nonblock(int fd); |
| 55 | void blocking(int fd); |
| 56 | void cloexec(int fd); |
| 57 | /* make @fd@ non-blocking/blocking/close-on-exec; call @fatal@ on error. */ |
| 58 | |
| 59 | int mustnotbeminus1(const char *what, int value); |
| 60 | /* If @value@ is -1, report an error including @what@. */ |
| 61 | |
| 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 */ |
| 65 | |
| 66 | #endif /* SYSCALLS_H */ |
| 67 | |
| 68 | /* |
| 69 | Local Variables: |
| 70 | c-basic-offset:2 |
| 71 | comment-column:40 |
| 72 | End: |
| 73 | */ |