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This applies the second part of GDB's End of Year Procedure, which
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gdb/ChangeLog:
Update copyright year range in all GDB files.
97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2014-2017 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#define NUM_THREADS 10
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const int num_threads = NUM_THREADS;
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/* Allow for as much timeout as DejaGnu wants, plus a bit of
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slack. */
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volatile unsigned int timeout = TIMEOUT;
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#define SECONDS (timeout + 20)
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pthread_t child_thread[NUM_THREADS];
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volatile pthread_t signal_thread;
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volatile int got_sig;
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void
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handler (int signo)
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{
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got_sig = 1;
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}
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void
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loop_broke (void)
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{
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}
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#define INF_LOOP \
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do \
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{ \
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while (!got_sig) \
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; \
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} \
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while (0)
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void *
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child_function (void *arg)
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{
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pthread_t self = pthread_self ();
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while (1)
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{
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/* Reset the timer before going to INF_LOOP. */
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alarm (SECONDS);
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INF_LOOP; /* set thread breakpoint here */
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loop_broke ();
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}
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}
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int
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main (void)
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{
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int res;
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int i;
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/* Call these early so that we're sure their PLTs are quickly
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resolved now, instead of in the busy threads. */
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pthread_kill (pthread_self (), 0);
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alarm (0);
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signal (SIGUSR1, handler);
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for (i = 0; i < NUM_THREADS; i++)
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{
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res = pthread_create (&child_thread[i], NULL, child_function, NULL);
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}
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while (1)
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{
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pthread_kill (signal_thread, SIGUSR1); /* set kill breakpoint here */
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/* Reset the timer before going to INF_LOOP. */
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alarm (SECONDS);
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INF_LOOP;
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loop_broke ();
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}
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exit(EXIT_SUCCESS);
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}
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