binutils-gdb/gdb/testsuite/gdb.threads/watchpoint-fork-parent.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

72 lines
2.1 KiB
C

/* Test case for forgotten hw-watchpoints after fork()-off of a process.
Copyright 2012-2017 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:
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);
/* We must not get caught here (against a forgotten breakpoint). */
var++;
marker ();
_exit (exit_code);
default:
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);
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 ();
}
}