2015-01-02 17:28:19 +01:00
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/* Copyright (C) 2003-2015 Free Software Foundation, Inc.
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2003-06-18 00:11:22 +02:00
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@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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2012-02-10 00:18:22 +01:00
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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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2003-06-18 00:11:22 +02:00
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#include <aio.h>
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2003-06-24 04:50:16 +02:00
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#include <errno.h>
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2003-06-18 00:11:22 +02:00
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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 <string.h>
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#include <unistd.h>
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static pthread_barrier_t b;
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/* Cleanup handling test. */
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static int cl_called;
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static void
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cl (void *arg)
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{
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++cl_called;
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}
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static void *
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tf (void *arg)
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{
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int r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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2003-06-24 04:50:16 +02:00
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puts ("tf: barrier_wait failed");
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exit (1);
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}
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pthread_cleanup_push (cl, NULL);
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const struct aiocb *l[1] = { arg };
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TEMP_FAILURE_RETRY (aio_suspend (l, 1, NULL));
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pthread_cleanup_pop (0);
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puts ("tf: aio_suspend returned");
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exit (1);
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}
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static void *
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tf2 (void *arg)
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{
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int r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("tf2: barrier_wait failed");
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2003-06-18 00:11:22 +02:00
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exit (1);
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}
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pthread_cleanup_push (cl, NULL);
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const struct aiocb *l[1] = { arg };
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2003-06-24 04:50:16 +02:00
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struct timespec ts = { .tv_sec = 1000, .tv_nsec = 0 };
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2003-06-18 00:11:22 +02:00
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2003-06-24 04:50:16 +02:00
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TEMP_FAILURE_RETRY (aio_suspend (l, 1, &ts));
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2003-06-18 00:11:22 +02:00
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pthread_cleanup_pop (0);
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2003-06-24 04:50:16 +02:00
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puts ("tf2: aio_suspend returned");
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2003-06-18 00:11:22 +02:00
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exit (1);
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}
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static int
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do_test (void)
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{
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int fds[2];
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if (pipe (fds) != 0)
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{
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puts ("pipe failed");
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return 1;
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}
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2003-07-25 09:56:33 +02:00
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struct aiocb a, a2, *ap;
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2003-06-18 00:11:22 +02:00
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char mem[1];
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memset (&a, '\0', sizeof (a));
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a.aio_fildes = fds[0];
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a.aio_buf = mem;
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a.aio_nbytes = sizeof (mem);
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if (aio_read (&a) != 0)
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{
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puts ("aio_read failed");
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return 1;
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}
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if (pthread_barrier_init (&b, NULL, 2) != 0)
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{
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puts ("barrier_init failed");
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return 1;
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}
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pthread_t th;
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if (pthread_create (&th, NULL, tf, &a) != 0)
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{
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puts ("1st create failed");
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return 1;
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}
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int r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("barrier_wait failed");
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exit (1);
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}
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
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while (nanosleep (&ts, &ts) != 0)
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continue;
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2003-06-24 04:50:16 +02:00
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puts ("going to cancel tf in-time");
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2003-06-18 00:11:22 +02:00
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if (pthread_cancel (th) != 0)
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{
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puts ("1st cancel failed");
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return 1;
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}
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void *status;
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if (pthread_join (th, &status) != 0)
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{
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puts ("1st join failed");
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return 1;
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}
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if (status != PTHREAD_CANCELED)
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{
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puts ("1st thread not canceled");
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return 1;
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}
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if (cl_called == 0)
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{
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2003-06-24 04:50:16 +02:00
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puts ("tf cleanup handler not called");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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if (cl_called > 1)
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{
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2003-06-24 04:50:16 +02:00
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puts ("tf cleanup handler called more than once");
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return 1;
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}
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cl_called = 0;
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if (pthread_create (&th, NULL, tf2, &a) != 0)
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{
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puts ("2nd create failed");
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return 1;
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}
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r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("2nd barrier_wait failed");
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exit (1);
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}
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ts.tv_sec = 0;
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ts.tv_nsec = 100000000;
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while (nanosleep (&ts, &ts) != 0)
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continue;
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puts ("going to cancel tf2 in-time");
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if (pthread_cancel (th) != 0)
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{
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puts ("2nd cancel failed");
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return 1;
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}
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if (pthread_join (th, &status) != 0)
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{
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puts ("2nd join failed");
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return 1;
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}
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if (status != PTHREAD_CANCELED)
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{
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puts ("2nd thread not canceled");
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return 1;
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}
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if (cl_called == 0)
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{
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puts ("tf2 cleanup handler not called");
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return 1;
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}
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if (cl_called > 1)
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{
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puts ("tf2 cleanup handler called more than once");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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puts ("in-time cancellation succeeded");
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2003-07-25 09:56:33 +02:00
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ap = &a;
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if (aio_cancel (fds[0], &a) != AIO_CANCELED)
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{
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puts ("aio_cancel failed");
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/* If aio_cancel failed, we cannot reuse aiocb a. */
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ap = &a2;
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}
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2003-06-18 00:11:22 +02:00
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cl_called = 0;
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2003-08-08 09:11:21 +02:00
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size_t len2 = fpathconf (fds[1], _PC_PIPE_BUF);
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size_t page_size = sysconf (_SC_PAGESIZE);
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2005-04-27 10:20:41 +02:00
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len2 = 20 * (len2 < page_size ? page_size : len2) + sizeof (mem) + 1;
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2003-07-25 09:56:33 +02:00
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char *mem2 = malloc (len2);
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if (mem2 == NULL)
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{
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puts ("could not allocate memory for pipe write");
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return 1;
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}
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memset (ap, '\0', sizeof (*ap));
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ap->aio_fildes = fds[1];
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ap->aio_buf = mem2;
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ap->aio_nbytes = len2;
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if (aio_write (ap) != 0)
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2003-06-18 00:11:22 +02:00
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{
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puts ("aio_write failed");
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return 1;
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}
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2003-07-25 09:56:33 +02:00
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if (pthread_create (&th, NULL, tf, ap) != 0)
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2003-06-18 00:11:22 +02:00
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{
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2003-06-24 04:50:16 +02:00
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puts ("3rd create failed");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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2003-06-24 04:50:16 +02:00
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puts ("going to cancel tf early");
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2003-06-18 00:11:22 +02:00
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if (pthread_cancel (th) != 0)
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{
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2003-06-24 04:50:16 +02:00
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puts ("3rd cancel failed");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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2003-06-24 04:50:16 +02:00
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puts ("3rd barrier_wait failed");
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2003-06-18 00:11:22 +02:00
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exit (1);
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}
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if (pthread_join (th, &status) != 0)
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{
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2003-06-24 04:50:16 +02:00
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puts ("3rd join failed");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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if (status != PTHREAD_CANCELED)
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{
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2003-06-24 04:50:16 +02:00
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puts ("3rd thread not canceled");
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return 1;
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}
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if (cl_called == 0)
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{
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2003-07-25 09:56:33 +02:00
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puts ("tf cleanup handler not called");
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2003-06-24 04:50:16 +02:00
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return 1;
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}
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if (cl_called > 1)
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{
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2003-07-25 09:56:33 +02:00
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puts ("tf cleanup handler called more than once");
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2003-06-24 04:50:16 +02:00
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return 1;
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}
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cl_called = 0;
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2003-07-25 09:56:33 +02:00
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if (pthread_create (&th, NULL, tf2, ap) != 0)
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2003-06-24 04:50:16 +02:00
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{
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puts ("4th create failed");
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return 1;
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}
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puts ("going to cancel tf2 early");
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if (pthread_cancel (th) != 0)
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{
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puts ("4th cancel failed");
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return 1;
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}
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r = pthread_barrier_wait (&b);
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if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("4th barrier_wait failed");
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exit (1);
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}
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if (pthread_join (th, &status) != 0)
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{
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puts ("4th join failed");
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return 1;
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}
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if (status != PTHREAD_CANCELED)
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{
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puts ("4th thread not canceled");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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if (cl_called == 0)
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{
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2003-07-25 09:56:33 +02:00
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puts ("tf2 cleanup handler not called");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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if (cl_called > 1)
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{
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2003-07-25 09:56:33 +02:00
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puts ("tf2 cleanup handler called more than once");
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2003-06-18 00:11:22 +02:00
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return 1;
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}
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puts ("early cancellation succeeded");
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return 0;
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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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