ash: allow waitpid_child to block

The wrong sort of boolean operator resulted in waitpid_child always
being nonblocking.

1 files changed, 1 insertions, 1 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 36ddda1bc..8f137404f 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4457,7 +4457,7 @@ waitpid_child(int *status, int wait_flags)
         }
 
         idx = WaitForMultipleObjects(pid_nr, proclist, FALSE,
-                                wait_flags|WNOHANG ? 1 : INFINITE);
+                                wait_flags&WNOHANG ? 1 : INFINITE);
         if (idx >= pid_nr) {
                 free(pidlist);
                 free(proclist);