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74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/* Copyright (C) 2004-2020 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 was written by Steve Munroe (sjmunroe@us.ibm.com). */
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/* Test break points and single step on thread functions. */
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#include <string.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#define N 2
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static void *
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tf (void *arg)
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{
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int n = (int) (long int) arg;
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char number[160];
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int unslept = 10;
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sprintf(number, "tf(%ld): begin", (long)arg);
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puts (number);
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while (unslept > 0)
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unslept = sleep(unslept);
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sprintf(number, "tf(%ld): end", (long)arg);
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puts (number);
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return NULL;
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}
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int main (int argc, char *argv[])
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{
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int n;
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int unslept = 2;
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pthread_t th[N];
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for (n = 0; n < N; ++n)
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if (pthread_create (&th[n], NULL, tf, (void *) (long int) n) != 0)
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{
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while (unslept > 0)
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unslept = sleep(2);
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puts ("create failed");
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exit (1);
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}
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puts("after create");
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for (n = 0; n < N; ++n)
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if (pthread_join (th[n], NULL) != 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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puts("after join");
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return 0;
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}
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