Return 0 from main() otherwise the exit code is garbage on sparc64.

Collect status of the child process to detect test failures.
OK tb@

diff --git a/regress/sys/kern/descrip/descrip.c b/regress/sys/kern/descrip/descrip.c
index 248bb08..263a6de 100644 (file)
--- a/regress/sys/kern/descrip/descrip.c
+++ b/regress/sys/kern/descrip/descrip.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: descrip.c,v 1.1 2018/08/10 15:58:16 jsing Exp $ */
+/* $OpenBSD: descrip.c,v 1.2 2021/09/27 18:10:24 bluhm Exp $ */
 /*
  * Copyright (c) 2018 Joel Sing <jsing@openbsd.org>
  *
@@ -28,7 +28,8 @@
 int
 main(int argc, char **argv)
 {
-       int fd, kq;
+       int fd, kq, status;
+       pid_t pf, pw;
 
        kq = kqueue();
        assert(kq == 3);
@@ -36,7 +37,8 @@ main(int argc, char **argv)
        fd = open("/etc/hosts", O_RDONLY);
        assert(fd == 4);
 
-       if (fork() == 0) {
+       pf = fork();
+       if (pf == 0) {
                /*
                 * The existing kq fd should have been closed across fork,
                 * hence we expect fd 3 to be reallocated on this kqueue call.
@@ -51,7 +53,14 @@ main(int argc, char **argv)
                 */
                fd = open("/etc/hosts", O_RDONLY);
                assert(fd == 5);
+
+               _exit(0);
        }
+       assert(pf > 0);
+
+       pw = wait(&status);
+       assert(pf == pw);
+       assert(status == 0);
 
-       wait(NULL);
+       return 0;
 }