zcip: make it work on NOMMU (+ improve NOMMU support machinery)

fsck: fix bad English in a comment


git-svn-id: svn://busybox.net/trunk/busybox@18248 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 6 insertions, 3 deletions

diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 89ae9a73c..ec8b9b1d7 100644
--- a/libbb/vfork_daemon_rexec.c
+++ b/libbb/vfork_daemon_rexec.c
@@ -40,11 +40,14 @@ pid_t spawn(char **argv)
                  * (but don't run atexit() stuff, which would screw up parent.)
                  */
                 failed = errno;
-                _exit(0);
+                _exit(111);
         }
         /* parent */
-        /* Unfortunately, this is not reliable: vfork()
-         * can be equivalent to fork() according to standards */
+        /* Unfortunately, this is not reliable: according to standards
+         * vfork() can be equivalent to fork() and we won't see value
+         * of 'failed'.
+         * Interested party can wait on pid and learn exit code.
+         * If 111 - then it (most probably) failed to exec */
         if (failed) {
                 errno = failed;
                 return -1;