2 * Test issues with vfork().
4 * Copyright (C) 2013 Simon Ruderich
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include <sys/types.h>
27 #include "../src/compiler.h"
30 int main(int argc unused, char **argv unused) {
33 fprintf(stderr, "Before vfork().\n");
37 /* This violates the POSIX standard! The "child" is only allowed to
38 * modify the result of vfork(), e.g. the pid variable. Some programs
39 * (e.g. gdb) do it anyway so we have to workaround it. */
40 dup2(STDOUT_FILENO, STDERR_FILENO);
45 fprintf(stderr, "After vfork().\n");