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Diffstat (limited to 'libbb/vfork_daemon_rexec.c')
-rw-r--r--libbb/vfork_daemon_rexec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 89ae9a7..ec8b9b1 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;