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 blocking(int fd
) {
70 mustnotbeminus1("fcntl F_SETFL",
72 mustnotbeminus1("fcntl F_GETFL",
73 fcntl(fd
, F_GETFL
)) & ~O_NONBLOCK
));
76 void cloexec(int fd
) {
77 mustnotbeminus1("fcntl F_SETFD",
79 mustnotbeminus1("fcntl F_GETFD",
80 fcntl(fd
, F_GETFD
)) | FD_CLOEXEC
));
83 void xlisten(int fd
, int q
) {
84 mustnotbeminus1("listen", listen(fd
, q
));
87 void xshutdown(int fd
, int how
) {
88 mustnotbeminus1("shutdown", shutdown(fd
, how
));
91 void xsetsockopt(int fd
, int l
, int o
, const void *v
, socklen_t vl
) {
92 mustnotbeminus1("setsockopt", setsockopt(fd
, l
, o
, v
, vl
));
95 int xsocket(int d
, int t
, int p
) {
96 return mustnotbeminus1("socket", socket(d
, t
, p
));
99 void xconnect(int fd
, const struct sockaddr
*sa
, socklen_t sl
) {
100 mustnotbeminus1("connect", connect(fd
, sa
, sl
));
103 void xsigprocmask(int how
, const sigset_t
*set
, sigset_t
*oldset
) {
104 mustnotbeminus1("sigprocmask", sigprocmask(how
, set
, oldset
));
107 void xsigaction(int sig
, const struct sigaction
*sa
, struct sigaction
*oldsa
) {
108 mustnotbeminus1("sigaction", sigaction(sig
, sa
, oldsa
));
111 int xprintf(const char *fmt
, ...) {
116 n
= mustnotbeminus1("byte_vfprintf", byte_vfprintf(stdout
, fmt
, ap
));
121 void xfclose(FILE *fp
) {
122 mustnotbeminus1("fclose", fclose(fp
));
125 int xstrtol(long *n
, const char *s
, char **ep
, int base
) {
127 *n
= strtol(s
, ep
, base
);
131 int xstrtoll(long_long
*n
, const char *s
, char **ep
, int base
) {
133 *n
= strtoll(s
, ep
, base
);
140 /* some versions of nice() return the new nice value which in principle could
144 if(errno
) fatal(errno
, "error calling nice");
148 void xgettimeofday(struct timeval
*tv
, struct timezone
*tz
) {
149 mustnotbeminus1("gettimeofday", gettimeofday(tv
, tz
));