--- bash-3.0.old/jobs.c
+++ bash-3.0/jobs.c
@@ -437,8 +437,15 @@
 #if defined (PGRP_PIPE)
   if (job_control)
     {
+      int fd;
       if (pipe (pgrp_pipe) == -1)
 	sys_error ("start_pipeline: pgrp pipe");
+      if ((fd = fcntl(pgrp_pipe[0], F_DUPFD, 10)) == -1 || close(pgrp_pipe[0]) == -1)
+	sys_error ("start_pipeline: pgrp pipe");
+      pgrp_pipe[0] = fd;
+      if ((fd = fcntl(pgrp_pipe[1], F_DUPFD, 10)) == -1 || close(pgrp_pipe[1]) == -1)
+	sys_error ("start_pipeline: pgrp pipe");
+      pgrp_pipe[1] = fd;
     }
 #endif
 }