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Diffstat (limited to 'sysdeps/pthread/tst-stack1.c')
-rw-r--r-- | sysdeps/pthread/tst-stack1.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-stack1.c b/sysdeps/pthread/tst-stack1.c new file mode 100644 index 0000000000..7285a9cbc9 --- /dev/null +++ b/sysdeps/pthread/tst-stack1.c @@ -0,0 +1,148 @@ +/* Copyright (C) 2002-2020 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 + <https://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 = 4 * getpagesize (); +#ifdef PTHREAD_STACK_MIN + size = MAX (size, PTHREAD_STACK_MIN); +#endif + 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" |