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");
50 void xclose_guts(const char *path
, int line
, int fd
) {
52 fatal(errno
, "%s:%d: close %d", path
, line
, fd
);
55 void xdup2(int fd1
, int fd2
) {
56 mustnotbeminus1("dup2", dup2(fd1
, fd2
));
59 void xpipe(int *fdp
) {
60 mustnotbeminus1("pipe", pipe(fdp
));
63 void nonblock(int fd
) {
64 mustnotbeminus1("fcntl F_SETFL",
66 mustnotbeminus1("fcntl F_GETFL",
67 fcntl(fd
, F_GETFL
)) | O_NONBLOCK
));
70 void blocking(int fd
) {
71 mustnotbeminus1("fcntl F_SETFL",
73 mustnotbeminus1("fcntl F_GETFL",
74 fcntl(fd
, F_GETFL
)) & ~O_NONBLOCK
));
77 void cloexec(int fd
) {
78 mustnotbeminus1("fcntl F_SETFD",
80 mustnotbeminus1("fcntl F_GETFD",
81 fcntl(fd
, F_GETFD
)) | FD_CLOEXEC
));
84 void xlisten(int fd
, int q
) {
85 mustnotbeminus1("listen", listen(fd
, q
));
88 void xshutdown(int fd
, int how
) {
89 mustnotbeminus1("shutdown", shutdown(fd
, how
));
92 void xsetsockopt(int fd
, int l
, int o
, const void *v
, socklen_t vl
) {
93 mustnotbeminus1("setsockopt", setsockopt(fd
, l
, o
, v
, vl
));
96 int xsocket(int d
, int t
, int p
) {
97 return mustnotbeminus1("socket", socket(d
, t
, p
));
100 void xconnect(int fd
, const struct sockaddr
*sa
, socklen_t sl
) {
101 mustnotbeminus1("connect", connect(fd
, sa
, sl
));
104 void xsigprocmask(int how
, const sigset_t
*set
, sigset_t
*oldset
) {
105 mustnotbeminus1("sigprocmask", sigprocmask(how
, set
, oldset
));
108 void xsigaction(int sig
, const struct sigaction
*sa
, struct sigaction
*oldsa
) {
109 mustnotbeminus1("sigaction", sigaction(sig
, sa
, oldsa
));
112 int xprintf(const char *fmt
, ...) {
117 n
= mustnotbeminus1("byte_vfprintf", byte_vfprintf(stdout
, fmt
, ap
));
122 void xfclose(FILE *fp
) {
123 mustnotbeminus1("fclose", fclose(fp
));
126 int xstrtol(long *n
, const char *s
, char **ep
, int base
) {
128 *n
= strtol(s
, ep
, base
);
132 int xstrtoll(long_long
*n
, const char *s
, char **ep
, int base
) {
134 *n
= strtoll(s
, ep
, base
);
141 /* some versions of nice() return the new nice value which in principle could
145 if(errno
) fatal(errno
, "error calling nice");
149 void xgettimeofday(struct timeval
*tv
, struct timezone
*tz
) {
150 mustnotbeminus1("gettimeofday", gettimeofday(tv
, tz
));