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Index: bash-4.4/jobs.c
===================================================================
--- bash-4.4.orig/jobs.c
+++ bash-4.4/jobs.c
@@ -453,6 +453,21 @@ cleanup_the_pipeline ()
discard_pipeline (disposer);
}
+void
+discard_last_procsub_child ()
+{
+ PROCESS *disposer;
+ sigset_t set, oset;
+
+ BLOCK_CHILD (set, oset);
+ disposer = last_procsub_child;
+ last_procsub_child = (PROCESS *)NULL;
+ UNBLOCK_CHILD (oset);
+
+ if (disposer)
+ discard_pipeline (disposer);
+}
+
struct pipeline_saver *
alloc_pipeline_saver ()
{
Index: bash-4.4/jobs.h
===================================================================
--- bash-4.4.orig/jobs.h
+++ bash-4.4/jobs.h
@@ -190,6 +190,7 @@ extern JOB **jobs;
extern void making_children __P((void));
extern void stop_making_children __P((void));
extern void cleanup_the_pipeline __P((void));
+extern void discard_last_procsub_child __P((void));
extern void save_pipeline __P((int));
extern PROCESS *restore_pipeline __P((int));
extern void start_pipeline __P((void));
Index: bash-4.4/patchlevel.h
===================================================================
--- bash-4.4.orig/patchlevel.h
+++ bash-4.4/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 3
+#define PATCHLEVEL 4
#endif /* _PATCHLEVEL_H_ */
Index: bash-4.4/subst.c
===================================================================
--- bash-4.4.orig/subst.c
+++ bash-4.4/subst.c
@@ -5808,10 +5808,7 @@ process_substitute (string, open_for_rea
{
#if defined (JOB_CONTROL)
if (last_procsub_child)
- {
- discard_pipeline (last_procsub_child);
- last_procsub_child = (PROCESS *)NULL;
- }
+ discard_last_procsub_child ();
last_procsub_child = restore_pipeline (0);
#endif