2 files changed, 3 insertions, 0 deletions
diff --git a/Changes b/Changes
index 54c1640..e9a05b5 100644
--- a/Changes
+++ b/Changes
@@ -11,6 +11,7 @@ TODO: document the special problem of signals around fork.
 TODO: store pid for each signal
 TODO: document file descriptor usage per loop
 TODO: store loop pid_t and compare isndie signal handler,store 1 for same, 2 for differign pid, clean up in loop_fork
+TODO: embed watchers need updating when fd changes
         - destroying a non-default loop would stop the global waitpid
           watcher (Denis Bilenko).
 	- queueing pending watchers of higher priority from a watcher now invokes
diff --git a/ev.c b/ev.c
index 5885818..45a5e29 100644
--- a/ev.c
+++ b/ev.c
@@ -2030,6 +2030,7 @@ void
 ev_feed_signal (int signum) EV_THROW
 {
 #if EV_MULTIPLICITY
+  ECB_MEMORY_FENCE_ACQUIRE;
   EV_P = signals [signum - 1].loop;
 
   if (!EV_A)
@@ -3528,6 +3529,7 @@ ev_signal_start (EV_P_ ev_signal *w) EV_THROW
            !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
 
   signals [w->signum - 1].loop = EV_A;
+  ECB_MEMORY_FENCE_RELEASE;
 #endif
 
   EV_FREQUENT_CHECK;