75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2012-2022 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 <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <limits.h>
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#include <string.h>
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#include <pthread.h>
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#define NUM_THREADS 1
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static pthread_barrier_t barrier;
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static void *
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thread_start (void *arg)
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{
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pthread_barrier_wait (&barrier);
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pthread_barrier_wait (&barrier);
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pthread_barrier_wait (&barrier);
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while (1)
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sleep (1);
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return NULL;
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}
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static void
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all_started (void)
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{
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}
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int
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main (int argc, char ** argv)
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{
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char prog[PATH_MAX];
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pthread_t thread;
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int len;
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strcpy (prog, argv[0]);
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len = strlen (prog);
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/* Replace "multi-arch-exec" with "multi-arch-exec-hello". */
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memcpy (prog + len - 15, "multi-arch-exec-hello", 21);
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prog[len + 6] = 0;
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pthread_barrier_init (&barrier, NULL, NUM_THREADS + 1);
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pthread_create (&thread, NULL, thread_start, NULL);
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pthread_barrier_wait (&barrier);
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all_started ();
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/* Avoid races with GDB ptrace-resuming the threads and the exec: ensure
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both threads were resumed by GDB before going into the exec. */
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pthread_barrier_wait (&barrier);
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pthread_barrier_wait (&barrier);
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execl (prog,
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prog,
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(char *) NULL);
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perror ("execl failed");
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exit (1);
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}
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