/* Copyright (C) 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. 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 <http://www.gnu.org/licenses/>. */ #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> static char *p; static pthread_barrier_t b; #define BT \ e = pthread_barrier_wait (&b); \ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) \ { \ puts ("barrier_wait failed"); \ exit (1); \ } static void * tf (void *a) { int e; BT; char *p2 = getcwd (NULL, 0); if (p2 == NULL) { puts ("2nd getcwd failed"); exit (1); } if (strcmp (p, p2) != 0) { printf ("initial cwd mismatch: \"%s\" vs \"%s\"\n", p, p2); exit (1); } free (p); free (p2); if (chdir ("..") != 0) { puts ("chdir failed"); exit (1); } p = getcwd (NULL, 0); if (p == NULL) { puts ("getcwd failed"); exit (1); } return a; } int do_test (void) { if (pthread_barrier_init (&b, NULL, 2) != 0) { puts ("barrier_init failed"); exit (1); } pthread_t th; if (pthread_create (&th, NULL, tf, NULL) != 0) { puts ("create failed"); exit (1); } p = getcwd (NULL, 0); if (p == NULL) { puts ("getcwd failed"); exit (1); } int e; BT; if (pthread_join (th, NULL) != 0) { puts ("join failed"); exit (1); } char *p2 = getcwd (NULL, 0); if (p2 == NULL) { puts ("2nd getcwd failed"); exit (1); } if (strcmp (p, p2) != 0) { printf ("cwd after chdir mismatch: \"%s\" vs \"%s\"\n", p, p2); exit (1); } free (p); free (p2); return 0; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"