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/* Copyright 2007-2024 Free Software Foundation, Inc.
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 3 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, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <sys/wait.h>
#include <errno.h>
/* Expects 4 arguments:
1. Either 'standard' or 'detached', where 'standard' tests
a general gcore script spawn with its controlling terminal available
and 'detached' tests gcore script spawn without its controlling
terminal available.
2. Path to the gcore script.
3. Path to the data-directory to pass to the gcore script.
4. The core file output name. */
int
main (int argc, char **argv)
{
pid_t pid = 0;
pid_t ppid;
char buf[1024*2 + 500];
int gotint, res;
assert (argc == 5);
pid = fork ();
switch (pid)
{
case 0:
if (strcmp (argv[1], "detached") == 0)
setpgrp ();
ppid = getppid ();
gotint = snprintf (buf, sizeof (buf), "%s -d %s -o %s %d",
argv[2], argv[3], argv[4], (int) ppid);
assert (gotint < sizeof (buf));
res = system (buf);
assert (res != -1);
break;
case -1:
perror ("fork err\n");
exit (1);
break;
default:
do
{
res = waitpid (pid, NULL, 0);
}
while (res == -1 && errno == EINTR);
assert (res == pid);
break;
}
return 0;
}
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