From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Mon, 24 Oct 2016 20:22:12 +0200 Subject: add uClibc-ng test directory --- test/nptl/tst-atfork1.c | 120 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 test/nptl/tst-atfork1.c (limited to 'test/nptl/tst-atfork1.c') diff --git a/test/nptl/tst-atfork1.c b/test/nptl/tst-atfork1.c new file mode 100644 index 0000000..1298937 --- /dev/null +++ b/test/nptl/tst-atfork1.c @@ -0,0 +1,120 @@ +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2002. + + 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 +#include +#include +#include +#include + + +static int val; + + +static void +prepare1 (void) +{ + val *= 2; +} + +static void +prepare2 (void) +{ + ++val; +} + +static void +parent1 (void) +{ + val += 4; +} + +static void +parent2 (void) +{ + val *= 4; +} + +static void +child1 (void) +{ + val += 8; +} + +static void +child2 (void) +{ + val *= 8; +} + + +static int +do_test (void) +{ + pid_t pid; + int status = 0; + + if (pthread_atfork (prepare1, parent1, child1) != 0) + { + puts ("1st atfork failed"); + exit (1); + } + if (pthread_atfork (prepare2, parent2, child2) != 0) + { + puts ("2nd atfork failed"); + exit (1); + } + + pid = fork (); + if (pid == -1) + { + puts ("fork failed"); + exit (1); + } + + if (pid != 0) + { + /* Parent. */ + if (val != 24) + { + printf ("expected val=%d, got %d\n", 24, val); + exit (1); + } + + if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid) + { + puts ("waitpid failed"); + exit (1); + } + } + else + { + /* Child. */ + if (val != 80) + { + printf ("expected val=%d, got %d\n", 80, val); + exit (2); + } + } + + return status; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" -- cgit v1.2.3