X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=jobs.c;h=d8bb7ae1e7ba541b84bb161a007a00c868b774ae;hb=89a92869e56aba4e4cab2d639c00a86f0545c862;hp=24d98af5668f550689d8fb555e147f6504991c95;hpb=17345e5ad288f7543b77b23a25aa380eacc279f2;p=platform%2Fupstream%2Fbash.git

diff --git a/jobs.c b/jobs.c
index 24d98af..d8bb7ae 100644
--- a/jobs.c
+++ b/jobs.c
@@ -442,7 +442,7 @@ restore_pipeline (discard)
   old_pipeline = the_pipeline;
   the_pipeline = saved_pipeline;
   already_making_children = saved_already_making_children;
-  if (discard)
+  if (discard && old_pipeline)
     discard_pipeline (old_pipeline);
 }
 
@@ -4202,4 +4202,23 @@ close_pgrp_pipe ()
   sh_closepipe (pgrp_pipe);
 }
 
+void
+save_pgrp_pipe (p, clear)
+     int *p;
+     int clear;
+{
+  p[0] = pgrp_pipe[0];
+  p[1] = pgrp_pipe[1];
+  if (clear)
+    pgrp_pipe[0] = pgrp_pipe[1] = -1;
+}
+
+void
+restore_pgrp_pipe (p)
+     int *p;
+{
+  pgrp_pipe[0] = p[0];
+  pgrp_pipe[1] = p[1];
+}
+
 #endif /* PGRP_PIPE */