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30891f35fa
We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
137 lines
2.9 KiB
C
137 lines
2.9 KiB
C
/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
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static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
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static pthread_barrier_t b;
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static void *
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tf (void *a)
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{
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/* Block SIGUSR1. */
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sigset_t ss;
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sigemptyset (&ss);
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sigaddset (&ss, SIGUSR1);
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if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
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{
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puts ("child: sigmask failed");
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exit (1);
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}
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if (pthread_mutex_lock (&m) != 0)
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{
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puts ("child: mutex_lock failed");
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exit (1);
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}
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int e = pthread_barrier_wait (&b);
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if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
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{
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puts ("child: barrier_wait failed");
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exit (1);
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}
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/* Compute timeout. */
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struct timeval tv;
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(void) gettimeofday (&tv, NULL);
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struct timespec ts;
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TIMEVAL_TO_TIMESPEC (&tv, &ts);
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/* Timeout: 1sec. */
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ts.tv_sec += 1;
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/* This call should never return. */
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if (pthread_cond_timedwait (&c, &m, &ts) != ETIMEDOUT)
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{
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puts ("cond_timedwait didn't time out");
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exit (1);
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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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pthread_t th;
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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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exit (1);
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}
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if (pthread_create (&th, NULL, tf, NULL) != 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 (&b);
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if (e != 0 && e != 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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if (pthread_mutex_lock (&m) != 0)
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{
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puts ("mutex_lock failed");
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exit (1);
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}
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/* Send the thread a signal which it has blocked. */
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if (pthread_kill (th, SIGUSR1) != 0)
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{
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puts ("kill failed");
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exit (1);
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}
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if (pthread_mutex_unlock (&m) != 0)
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{
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puts ("mutex_unlock failed");
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exit (1);
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}
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void *r;
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if (pthread_join (th, &r) != 0)
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{
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puts ("join failed");
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exit (1);
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}
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if (r != NULL)
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{
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puts ("return value wrong");
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exit (1);
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}
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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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