1 files changed, 6 insertions, 1 deletions

diff --git a/linden/indra/llcommon/llheartbeat.cpp b/linden/indra/llcommon/llheartbeat.cpp
index 13bcd46..b67d3f2 100644
--- a/linden/indra/llcommon/llheartbeat.cpp
+++ b/linden/indra/llcommon/llheartbeat.cpp
@@ -72,8 +72,13 @@ LLHeartbeat::rawSend()
         if (mSuppressed)
                 return 0; // Pretend we succeeded.
 
+        int result;
+#ifndef LL_DARWIN
         union sigval dummy;
-        int result = sigqueue(getppid(), LL_HEARTBEAT_SIGNAL, dummy);
+        result = sigqueue(getppid(), LL_HEARTBEAT_SIGNAL, dummy);
+#else
+        result = kill(getppid(), LL_HEARTBEAT_SIGNAL);
+#endif
         if (result == 0)
                 return 0; // success