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glibc/nptl/tst-stack1.c
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/* Copyright (C) 2002-2016 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, see | |
<http://www.gnu.org/licenses/>. */ | |
#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" |