From 6c45657280f40c36826e456ecfff358519ed81dd Mon Sep 17 00:00:00 2001
From: Robert Nishihara <robertnishihara@gmail.com>
Date: Fri, 7 Jul 2017 16:50:37 +0200
Subject: [PATCH] Reset the SIGCHLD handler after forking a worker to avoid
 influencing the worker. (#713)

---
 src/local_scheduler/local_scheduler.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/local_scheduler/local_scheduler.cc b/src/local_scheduler/local_scheduler.cc
index 6c4420bd9..617ac3793 100644
--- a/src/local_scheduler/local_scheduler.cc
+++ b/src/local_scheduler/local_scheduler.cc
@@ -220,6 +220,9 @@ void start_worker(LocalSchedulerState *state, ActorID actor_id) {
     return;
   }
 
+  /* Reset the SIGCHLD handler so that it doesn't influence the worker. */
+  signal(SIGCHLD, SIG_DFL);
+
   char id_string[ID_STRING_SIZE];
   ObjectID_to_string(actor_id, id_string, ID_STRING_SIZE);
   /* Figure out how many arguments there are in the start_worker_command. */