From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- linuxthreads/tst-stack1.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 linuxthreads/tst-stack1.c (limited to 'linuxthreads/tst-stack1.c') diff --git a/linuxthreads/tst-stack1.c b/linuxthreads/tst-stack1.c new file mode 100644 index 0000000000..057bfa3f9f --- /dev/null +++ b/linuxthreads/tst-stack1.c @@ -0,0 +1,97 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Test pthread_create/pthread_join with user defined stacks. */ + +#include +#include +#include +#include +#include +#include + +static int seen; + +static void * +tf (void *p) +{ + ++seen; + return NULL; +} + +#define N 16 + +static int +do_test (void) +{ + void *stack; + int res = posix_memalign (&stack, getpagesize (), N * 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("malloc failed %s\n", strerror (res)); + return 1; + } + + pthread_attr_t attr; + pthread_attr_init (&attr); + + int result = 0; + for (int i = 0; i < N; ++i) + { + res = pthread_attr_setstack (&attr, stack + i * 4 * PTHREAD_STACK_MIN, + 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("pthread_attr_setstack failed %d\n", res); + result = 1; + continue; + } + + /* Create the thread. */ + pthread_t th; + res = pthread_create (&th, &attr, tf, NULL); + if (res) + { + printf ("pthread_create failed %d\n", res); + result = 1; + } + else + { + res = pthread_join (th, NULL); + if (res) + { + printf ("pthread_join failed %d\n", res); + result = 1; + } + } + } + + pthread_attr_destroy (&attr); + + if (seen != N) + { + printf ("seen %d != %d\n", seen, N); + result = 1; + } + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" -- cgit 1.4.1