ash: make "jobs" work even in subshells

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 304251662..613a66dbc 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4541,8 +4541,11 @@ clear_traps(void)
 static void closescript(void);
 
 /* Called after fork(), in child */
+#if !JOBS
+# define forkchild(jp, n, mode) forkchild(jp, mode)
+#endif
 static void
-forkchild(struct job *jp, /*union node *n,*/ int mode)
+forkchild(struct job *jp, union node *n, int mode)
 {
         int oldlvl;
 
@@ -4598,6 +4601,13 @@ forkchild(struct job *jp, /*union node *n,*/ int mode)
                  * Take care of the second rule: */
                 setsignal(SIGQUIT);
         }
+#if JOBS
+        if (n && n->type == NCMD && strcmp(n->ncmd.args->narg.text, "jobs") == 0) {
+                TRACE(("Job hack\n"));
+                freejob(curjob);
+                return;
+        }
+#endif
         for (jp = curjob; jp; jp = jp->prev_job)
                 freejob(jp);
         jobless = 0;
@@ -4659,7 +4669,7 @@ forkshell(struct job *jp, union node *n, int mode)
                 ash_msg_and_raise_error("can't fork");
         }
         if (pid == 0)
-                forkchild(jp, /*n,*/ mode);
+                forkchild(jp, n, mode);
         else
                 forkparent(jp, n, mode, pid);
         return pid;