diff options
Diffstat (limited to 'posix/test-vfork.c')
-rw-r--r-- | posix/test-vfork.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/posix/test-vfork.c b/posix/test-vfork.c index 9c35289..959dcb3 100644 --- a/posix/test-vfork.c +++ b/posix/test-vfork.c @@ -6,10 +6,13 @@ void noop (void); +#define NR 2 /* Exit code of the child. */ + int main (void) { - int pid; + pid_t pid; + int status; printf ("Before vfork\n"); fflush (stdout); @@ -20,12 +23,14 @@ main (void) machines where it is stored on the stack, if vfork wasn't implemented correctly, */ noop (); - _exit (2); + _exit (NR); } else if (pid < 0) error (1, errno, "vfork"); printf ("After vfork (parent)\n"); - wait (0); + if (waitpid (0, &status, 0) != pid + || !WIFEXITED (status) || WEXITSTATUS (NR)) + exit (1); exit (0); } |