mirror of git://sourceware.org/git/glibc.git
				
				
				
			
		
			
				
	
	
		
			98 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /* Test for timeout handling.
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|    Copyright (C) 2000-2020 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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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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|    <https://www.gnu.org/licenses/>.  */
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| 
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| #include <aio.h>
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| #include <errno.h>
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| #include <stdio.h>
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| #include <unistd.h>
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| #include <sys/time.h>
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| 
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| 
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| #define TEST_FUNCTION do_test ()
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| static int
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| do_test (void)
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| {
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|   struct aiocb *arr[1];
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|   struct aiocb cb;
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|   char buf[100];
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|   struct timeval before;
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|   struct timeval after;
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|   struct timespec timeout;
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|   int fd[2];
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|   int result = 0;
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| 
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|   if (pipe (fd) != 0)
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|     {
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|       printf ("cannot create pipe: %m\n");
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|       return 1;
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|     }
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| 
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|   arr[0] = &cb;
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| 
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|   cb.aio_fildes = fd[0];
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|   cb.aio_lio_opcode = LIO_WRITE;
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|   cb.aio_reqprio = 0;
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|   cb.aio_buf = (void *) buf;
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|   cb.aio_nbytes = sizeof (buf) - 1;
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|   cb.aio_offset = 0;
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|   cb.aio_sigevent.sigev_notify = SIGEV_NONE;
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| 
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|   /* Try to read from stdin where nothing will be available.  */
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|   if (aio_read (arr[0]) < 0)
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|     {
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|       if (errno == ENOSYS)
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| 	{
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| 	  puts ("no aio support in this configuration");
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| 	  return 0;
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| 	}
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|       printf ("aio_read failed: %m\n");
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|       return 1;
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|     }
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| 
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|   /* Get the current time.  */
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|   gettimeofday (&before, NULL);
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| 
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|   /* Wait for input which is unsuccessful and therefore the function will
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|      time out.  */
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|   timeout.tv_sec = 3;
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|   timeout.tv_nsec = 0;
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|   if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1)
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|     {
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|       puts ("aio_suspend() didn't return -1");
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|       result = 1;
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|     }
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|   else if (errno != EAGAIN)
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|     {
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|       puts ("error not set to EAGAIN");
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|       result = 1;
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|     }
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|   else
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|     {
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|       gettimeofday (&after, NULL);
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|       if (after.tv_sec < before.tv_sec + 1)
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| 	{
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| 	  puts ("timeout came too early");
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| 	  result = 1;
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| 	}
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|     }
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| 
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|   return result;
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| }
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| 
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| #include "../test-skeleton.c"
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