23 lines
		
	
	
		
			425 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			425 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include <stdio.h>
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#include <sys/wait.h>
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#include <errno.h>
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int
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main (int argc, char **argv)
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{
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  int pid, n;
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  if ((pid = fork ()) == 0)
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    exit (0);
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  sleep (2);
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  if ((n = waitpid (pid, NULL, 0)) != pid)
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    {
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      printf ("wait pid failed, pid %d, n %d, errno %d\n", pid, n, errno);
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      exit(1);
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    }
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  else
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    {
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      printf ("wait pid succeeded, pid %d, n %d, errno %d\n", pid, n, errno);
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      exit (0);
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    }
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}
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