/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <limits.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <sys/param.h> #include <unistd.h> static void *stack; static size_t size; static void * tf (void *a) { int result = 0; puts ("child start"); pthread_attr_t attr; if (pthread_getattr_np (pthread_self (), &attr) != 0) { puts ("getattr_np failed"); exit (1); } size_t test_size; void *test_stack; if (pthread_attr_getstack (&attr, &test_stack, &test_size) != 0) { puts ("attr_getstack failed"); exit (1); } if (test_size != size) { printf ("child: reported size differs: is %zu, expected %zu\n", test_size, size); result = 1; } if (test_stack != stack) { printf ("child: reported stack address differs: is %p, expected %p\n", test_stack, stack); result = 1; } puts ("child OK"); return result ? (void *) 1l : NULL; } int do_test (void) { int result = 0; size = MAX (4 * getpagesize (), PTHREAD_STACK_MIN); if (posix_memalign (&stack, getpagesize (), size) != 0) { puts ("out of memory while allocating the stack memory"); exit (1); } pthread_attr_t attr; if (pthread_attr_init (&attr) != 0) { puts ("attr_init failed"); exit (1); } puts ("attr_setstack"); if (pthread_attr_setstack (&attr, stack, size) != 0) { puts ("attr_setstack failed"); exit (1); } size_t test_size; void *test_stack; puts ("attr_getstack"); if (pthread_attr_getstack (&attr, &test_stack, &test_size) != 0) { puts ("attr_getstack failed"); exit (1); } if (test_size != size) { printf ("reported size differs: is %zu, expected %zu\n", test_size, size); result = 1; } if (test_stack != stack) { printf ("reported stack address differs: is %p, expected %p\n", test_stack, stack); result = 1; } puts ("create"); pthread_t th; if (pthread_create (&th, &attr, tf, NULL) != 0) { puts ("failed to create thread"); exit (1); } void *status; if (pthread_join (th, &status) != 0) { puts ("join failed"); exit (1); } result |= status != NULL; return result; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"