2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005 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 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * 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, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <sys/types.h>
27 #include <sys/socket.h>
37 int mustnotbeminus1(const char *what, int ret) {
39 fatal(errno, "error calling %s", what);
46 if((pid = fork()) < 0) fatal(errno, "error calling fork");
51 mustnotbeminus1("close", close(fd));
54 void xdup2(int fd1, int fd2) {
55 mustnotbeminus1("dup2", dup2(fd1, fd2));
58 void xpipe(int *fdp) {
59 mustnotbeminus1("pipe", pipe(fdp));
62 void nonblock(int fd) {
63 mustnotbeminus1("fcntl F_SETFL",
65 mustnotbeminus1("fcntl F_GETFL",
66 fcntl(fd, F_GETFL)) | O_NONBLOCK));
69 void cloexec(int fd) {
70 mustnotbeminus1("fcntl F_SETFD",
72 mustnotbeminus1("fcntl F_GETFD",
73 fcntl(fd, F_GETFD)) | FD_CLOEXEC));
76 void xlisten(int fd, int q) {
77 mustnotbeminus1("listen", listen(fd, q));
80 void xshutdown(int fd, int how) {
81 mustnotbeminus1("shutdown", shutdown(fd, how));
84 void xsetsockopt(int fd, int l, int o, const void *v, socklen_t vl) {
85 mustnotbeminus1("setsockopt", setsockopt(fd, l, o, v, vl));
88 int xsocket(int d, int t, int p) {
89 return mustnotbeminus1("socket", socket(d, t, p));
92 void xconnect(int fd, const struct sockaddr *sa, socklen_t sl) {
93 mustnotbeminus1("connect", connect(fd, sa, sl));
96 void xsigprocmask(int how, const sigset_t *set, sigset_t *oldset) {
97 mustnotbeminus1("sigprocmask", sigprocmask(how, set, oldset));
100 void xsigaction(int sig, const struct sigaction *sa, struct sigaction *oldsa) {
101 mustnotbeminus1("sigaction", sigaction(sig, sa, oldsa));
104 int xprintf(const char *fmt, ...) {
109 n = mustnotbeminus1("byte_vfprintf", byte_vfprintf(stdout, fmt, ap));
114 void xfclose(FILE *fp) {
115 mustnotbeminus1("fclose", fclose(fp));
118 int xstrtol(long *n, const char *s, char **ep, int base) {
120 *n = strtol(s, ep, base);
124 int xstrtoll(long_long *n, const char *s, char **ep, int base) {
126 *n = strtoll(s, ep, base);
133 /* some versions of nice() return the new nice value which in principle could
137 if(errno) fatal(errno, "error calling nice");
141 void xgettimeofday(struct timeval *tv, struct timezone *tz) {
142 mustnotbeminus1("gettimeofday", gettimeofday(tv, tz));