From 2714c5f3c95f90977167c1d21326d907fb76b419 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 2 Jun 2017 15:50:36 +0200 Subject: resolv: Tests for various versions of res_init --- support/support_isolate_in_subprocess.c | 38 +++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 support/support_isolate_in_subprocess.c (limited to 'support/support_isolate_in_subprocess.c') diff --git a/support/support_isolate_in_subprocess.c b/support/support_isolate_in_subprocess.c new file mode 100644 index 0000000000..cf48614383 --- /dev/null +++ b/support/support_isolate_in_subprocess.c @@ -0,0 +1,38 @@ +/* Run a function in a subprocess. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +void +support_isolate_in_subprocess (void (*callback) (void *), void *closure) +{ + pid_t pid = xfork (); + if (pid == 0) + { + /* Child process. */ + callback (closure); + _exit (0); + } + + /* Parent process. */ + int status; + xwaitpid (pid, &status, 0); + if (status != 0) + FAIL_EXIT1 ("child process exited with status %d", status); +} -- cgit 1.4.1