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			42 lines
		
	
	
		
			929 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			929 B
		
	
	
	
		
			C
		
	
	
	
| #include <errno.h>
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| #include <error.h>
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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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| #include <string.h>
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| #include <unistd.h>
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| 
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| static void *
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| dummy (void *x)
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| {
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|   return NULL;
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| }
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| 
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| static char buf[sizeof "something\n"];
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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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|   FILE *f;
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|   pthread_t p;
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|   int err;
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| 
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|   f = popen ("echo something", "r");
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|   if (f == NULL)
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|     error (EXIT_FAILURE, errno, "popen failed");
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|   if (fgets (buf, sizeof (buf), f) == NULL)
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|     error (EXIT_FAILURE, 0, "fgets failed");
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|   if (strcmp (buf, "something\n"))
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|     error (EXIT_FAILURE, 0, "read wrong data");
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|   if (pclose (f))
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|     error (EXIT_FAILURE, errno, "pclose returned non-zero");
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|   if ((err = pthread_create (&p, NULL, dummy, NULL)))
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|     error (EXIT_FAILURE, err, "pthread_create failed");
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|   if ((err = pthread_join (p, NULL)))
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|     error (EXIT_FAILURE, err, "pthread_join failed");
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|   exit (0);
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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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