--- /dev/null
+--- bash-3.0/jobs.c.jobs 2004-09-08 16:07:25.081427747 +0100
++++ bash-3.0/jobs.c 2004-09-08 16:18:06.698604033 +0100
+@@ -2475,6 +2475,7 @@
+ PROCESS *child;
+ pid_t pid;
+ int call_set_current, last_stopped_job, job, children_exited, waitpid_flags;
++ static int wcontinued_not_supported = 0;
+
+ call_set_current = children_exited = 0;
+ last_stopped_job = NO_JOB;
+@@ -2488,7 +2489,15 @@
+ : 0;
+ if (sigchld || block == 0)
+ waitpid_flags |= WNOHANG;
++ retry:
++ if (wcontinued_not_supported)
++ waitpid_flags &= ~WCONTINUED;
+ pid = WAITPID (-1, &status, waitpid_flags);
++ if (errno == EINVAL)
++ {
++ wcontinued_not_supported = 1;
++ goto retry;
++ }
+
+ /* The check for WNOHANG is to make sure we decrement sigchld only
+ if it was non-zero before we called waitpid. */