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			83 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 2002 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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|    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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| 
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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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| 
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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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| 
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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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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include <pthread.h>
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| #include <stdio.h>
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| #include <stdlib.h>
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| 
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| 
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| static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
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| 
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| 
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| static void *
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| tf (void *arg)
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| {
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|   pthread_t mh = (pthread_t) arg;
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|   void *result;
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| 
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|   if (pthread_mutex_unlock (&lock) != 0)
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|     {
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|       puts ("unlock failed");
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|       exit (1);
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|     }
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| 
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|   if (pthread_join (mh, &result) != 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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| 
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|   if (result != (void *) 42l)
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|     {
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|       printf ("result wrong: expected %p, got %p\n", (void *) 42, result);
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|       exit (1);
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|     }
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| 
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|   exit (0);
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| }
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| 
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| 
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| static int
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| do_test (void)
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| {
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|   pthread_t th;
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| 
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|   if (pthread_mutex_lock (&lock) != 0)
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|     {
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|       puts ("1st lock failed");
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|       exit (1);
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|     }
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| 
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|   if (pthread_create (&th, NULL, tf, (void *) pthread_self ()) != 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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| 
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|   if (pthread_mutex_lock (&lock) != 0)
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|     {
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|       puts ("2nd lock failed");
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|       exit (1);
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|     }
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| 
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|   pthread_exit ((void *) 42);
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| }
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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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