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/* This testcase is part of GDB, the GNU debugger.
Copyright 2025 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 <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <assert.h>
/* This is a simple, empty function designed to be a stable target
for a GDB breakpoint. Both the parent and child processes will
call this function after the fork. */
void
breakpt (void)
{
/* Nothing. */
}
int
main (void)
{
pid_t child_pid;
/* Create a new process. */
child_pid = fork ();
assert (child_pid >= 0);
if (child_pid == 0)
{
/* This is the child process. Call the breakpoint function. */
breakpt ();
exit (0);
}
else
{
/* This is the parent process. */
int child_status;
/* Call the breakpoint function. */
breakpt ();
/* Wait for the child process to terminate. */
waitpid (child_pid, &child_status, 0);
assert (WIFEXITED (child_status));
assert (WEXITSTATUS (child_status) == 0);
exit (0);
}
/* This line should not be reached. */
return 1;
}
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