35 lines
542 B
C
35 lines
542 B
C
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#include <stdio.h>
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#include <unistd.h>
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#include <error.h>
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#include <errno.h>
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void noop (void);
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int
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main (void)
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{
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int pid;
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printf ("Before vfork\n");
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fflush (stdout);
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pid = vfork ();
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if (pid == 0)
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{
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/* This will clobber the return pc from vfork in the parent on
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machines where it is stored on the stack, if vfork wasn't
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implemented correctly, */
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noop ();
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_exit (2);
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}
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else if (pid < 0)
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error (1, errno, "vfork");
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printf ("After vfork (parent)\n");
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wait (0);
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exit (0);
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}
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void
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noop ()
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{
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}
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