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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2002-2021 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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This file is copied from schedlock.c. */
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <pthread.h>
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void *thread_function(void *arg); /* Pointer to function executed by each thread */
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#define NUM 5
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unsigned int args[NUM+1];
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int main() {
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int res;
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int all_started;
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pthread_t threads[NUM];
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void *thread_result;
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long i;
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for (i = 0; i < NUM; i++)
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{
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args[i] = 1; /* Init value. */
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res = pthread_create(&threads[i],
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NULL,
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thread_function,
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(void *) i);
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}
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all_started = 0;
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while (!all_started)
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{
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all_started = 1;
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for (i = 0; i < NUM; i++)
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{
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if (args[i] == 1)
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{
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all_started = 0;
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break;
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}
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}
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}
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args[i] = 1;
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/* Break here */
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thread_function ((void *) i);
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exit(EXIT_SUCCESS);
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}
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void *thread_function(void *arg) {
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int my_number = (long) arg;
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int *myp = (int *) &args[my_number];
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/* Don't run forever. Run just short of it :) */
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while (*myp > 0)
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{
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(*myp) ++; /* Loop increment. */
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}
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pthread_exit(NULL);
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}
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