1 /* Run a function in a subprocess.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <support/check.h>
20 #include <support/xunistd.h>
21
22 void
support_isolate_in_subprocess(void (* callback)(void *),void * closure)23 support_isolate_in_subprocess (void (*callback) (void *), void *closure)
24 {
25 pid_t pid = xfork ();
26 if (pid == 0)
27 {
28 /* Child process. */
29 callback (closure);
30 _exit (0);
31 }
32
33 /* Parent process. */
34 int status;
35 xwaitpid (pid, &status, 0);
36 if (status != 0)
37 FAIL_EXIT1 ("child process exited with status %d", status);
38 }
39