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/* Copyright (C) 2003-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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/* LinuxThreads pthread_cleanup_{push,pop} helpers. */
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extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer,
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void (*__routine) (void *),
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void *__arg);
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extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer,
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int __execute);
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static int fds[2];
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static pthread_barrier_t b2;
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static int global;
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/* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */
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extern void fn5 (void);
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extern void fn7 (void);
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extern void fn9 (void);
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void
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clh (void *arg)
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{
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int val = (long int) arg;
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printf ("clh (%d)\n", val);
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global *= val;
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global += val;
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}
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static __attribute__((noinline)) void
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fn_read (void)
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{
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int r = pthread_barrier_wait (&b2;;
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%s: barrier_wait failed\n", __FUNCTION__);
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exit (1);
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}
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char c;
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read (fds[0], &c, 1);
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}
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__attribute__((noinline)) void
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fn0 (void)
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{
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pthread_cleanup_push (clh, (void *) 1l);
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fn_read ();
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pthread_cleanup_pop (1);
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}
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__attribute__((noinline)) void
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fn1 (void)
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{
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/* This is the old LinuxThreads pthread_cleanup_{push,pop}. */
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struct _pthread_cleanup_buffer b;
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_pthread_cleanup_push (&b, clh, (void *) 2l);
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fn0 ();
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_pthread_cleanup_pop (&b, 1);
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}
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static __attribute__((noinline)) void
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fn2 (void)
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{
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pthread_cleanup_push (clh, (void *) 3l);
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fn1 ();
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pthread_cleanup_pop (1);
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}
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static void *
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tf (void *a)
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{
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switch ((long) a)
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{
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case 0:
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fn2 ();
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break;
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case 1:
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fn5 ();
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break;
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case 2:
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fn7 ();
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break;
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case 3:
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fn9 ();
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break;
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}
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return NULL;
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}
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int
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do_test (void)
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{
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int result = 0;
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if (pipe (fds) != 0)
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{
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puts ("pipe failed");
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exit (1);
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}
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if (pthread_barrier_init (&b2, NULL, 2) != 0)
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{
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puts ("b2 init failed");
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exit (1);
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}
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const int expect[] =
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{
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15, /* 1 2 3 */
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276, /* 1 4 5 6 */
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120, /* 1 7 8 */
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460 /* 1 2 9 10 */
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};
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long i;
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for (i = 0; i < 4; ++i)
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{
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global = 0;
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printf ("test %ld\n", i);
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pthread_t th;
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if (pthread_create (&th, NULL, tf, (void *) i) != 0)
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{
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puts ("create failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&b2;;
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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printf ("%s: barrier_wait failed\n", __FUNCTION__);
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exit (1);
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}
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pthread_cancel (th);
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void *r;
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if ((e = pthread_join (th, &r)) != 0)
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{
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printf ("join failed: %d\n", e);
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_exit (1);
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}
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if (r != PTHREAD_CANCELED)
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{
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puts ("thread not canceled");
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exit (1);
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}
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if (global != expect[i])
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{
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printf ("global = %d, expected %d\n", global, expect[i]);
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result = 1;
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}
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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