2 This file is part of GNUnet
3 Copyright (C) 2010 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 GNUnet 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 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
22 * @file src/util/gnunet-timeout.c
23 * @brief small tool starting a child process, waiting that it terminates or killing it after a given timeout period
24 * @author Matthias Wachs
27 #include <sys/types.h>
38 sigchld_handler(int val)
44 waitpid(child, &status, 0);
45 if (WIFEXITED(status) != 0)
47 ret = WEXITSTATUS(status);
48 fprintf(stderr, "Process exited with result %u\n", ret);
49 _exit(ret); /* return same status code */
51 if (WIFSIGNALED(status) != 0)
53 ret = WTERMSIG(status);
54 fprintf(stderr, "Process received signal %u\n", ret);
55 kill(getpid(), ret); /* kill self with the same signal */
62 sigint_handler(int val)
70 main(int argc, char *argv[])
78 "arg 1: timeout in sec., arg 2: executable, arg<n> arguments\n");
82 timeout = atoi(argv[1]);
87 /* with getpgid() it does not compile, but getpgrp is the BSD version and working */
90 signal(SIGCHLD, sigchld_handler);
91 signal(SIGABRT, sigint_handler);
92 signal(SIGFPE, sigint_handler);
93 signal(SIGILL, sigint_handler);
94 signal(SIGINT, sigint_handler);
95 signal(SIGSEGV, sigint_handler);
96 signal(SIGTERM, sigint_handler);
101 /* int setpgrp(pid_t pid, pid_t pgid); is not working on this machine */
102 //setpgrp (0, pid_t gpid);
105 execvp(argv[2], &argv[2]);
111 printf("Child processes were killed after timeout of %u seconds\n",
119 /* end of timeout_watchdog.c */