aboutsummaryrefslogtreecommitdiff
path: root/posix/test-vfork.c
diff options
context:
space:
mode:
Diffstat (limited to 'posix/test-vfork.c')
-rw-r--r--posix/test-vfork.c11
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);
}