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/* Test case for forgotten hw-watchpoints after fork()-off of a process.
Copyright 2012-2023 Free Software Foundation, Inc.
This file is part of GDB.
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 <string.h>
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <assert.h>
#include <stdio.h>
#include <sys/wait.h>
#include "watchpoint-fork.h"
void
forkoff (int nr)
{
pid_t child, pid_got;
int exit_code = 42 + nr;
int status, i;
child = fork ();
switch (child)
{
case -1:
assert (0);
case 0:
#if DEBUG
printf ("child%d: %d\n", nr, (int) getpid ());
/* Delay to get both the "child%d" and "parent%d" message printed without
a race breaking expect by its endless wait on `$gdb_prompt$':
Breakpoint 3, marker () at ../../../gdb/testsuite/gdb.threads/watchpoint-fork.c:33
33 }
(gdb) parent2: 14223 */
i = sleep (1);
assert (i == 0);
#endif
/* We must not get caught here (against a forgotten breakpoint). */
var++;
marker ();
_exit (exit_code);
default:
#if DEBUG
printf ("parent%d: %d\n", nr, (int) child);
/* Delay to get both the "child%d" and "parent%d" message printed, see
above. */
i = sleep (1);
assert (i == 0);
#endif
pid_got = wait (&status);
assert (pid_got == child);
assert (WIFEXITED (status));
assert (WEXITSTATUS (status) == exit_code);
/* We must get caught here (against a false watchpoint removal). */
marker ();
}
}
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