aa9bd38d0a
prctl was already bypassed on Cygwin systems. This extends to non-Linux systems such as kFreeBSD and Hurd. References: https://bugs.debian.org/816237
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
|
|
* test_procps -- program to create a process to test procps
|
|
*
|
|
* Copyright 2015 Craig Small <csmall@enc.com.au>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#ifdef __linux__
|
|
#include <sys/prctl.h>
|
|
#endif
|
|
#include "c.h"
|
|
|
|
#define DEFAULT_SLEEPTIME 300
|
|
#define MY_NAME "spcorp"
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, " %s [options]\n", program_invocation_short_name);
|
|
fprintf(stderr, " -s <seconds>\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
|
|
void
|
|
signal_handler(int signum)
|
|
{
|
|
switch(signum) {
|
|
case SIGUSR1:
|
|
printf("SIG SIGUSR1\n");
|
|
break;
|
|
case SIGUSR2:
|
|
printf("SIG SIGUSR2\n");
|
|
break;
|
|
default:
|
|
printf("SIG unknown\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int sleep_time, opt;
|
|
struct sigaction signal_action;
|
|
|
|
sleep_time = DEFAULT_SLEEPTIME;
|
|
while ((opt = getopt(argc, argv, "s:")) != -1) {
|
|
switch(opt) {
|
|
case 's':
|
|
sleep_time = atoi(optarg);
|
|
if (sleep_time < 1) {
|
|
fprintf(stderr, "sleep time must be 1 second or more\n");
|
|
usage();
|
|
}
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
/* Setup signal handling */
|
|
signal_action.sa_handler = signal_handler;
|
|
sigemptyset (&signal_action.sa_mask);
|
|
signal_action.sa_flags = 0;
|
|
sigaction(SIGUSR1, &signal_action, NULL);
|
|
sigaction(SIGUSR2, &signal_action, NULL);
|
|
|
|
#ifdef __linux__
|
|
/* set process name */
|
|
prctl(PR_SET_NAME, MY_NAME, NULL, NULL, NULL);
|
|
#endif
|
|
|
|
while (sleep_time > 0) {
|
|
sleep_time = sleep(sleep_time);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|