Add patch from jimmyattime (issue #8)

This is certainly no worse than the previous usage of
pthread_mutex_lock, and will prevent the plugin from blocking. I'd like
to add better handling of failed locks in future commits.

diff --git a/src/write_graphite.c b/src/write_graphite.c
index 57933e8..8b5afb8 100644 (file)
--- a/src/write_graphite.c
+++ b/src/write_graphite.c
@@ -108,7 +108,7 @@ static int wg_send_buffer (struct wg_callback *cb)
                 status,
                 strerror (errno));
 
-        pthread_mutex_lock (&cb->send_lock);
+        pthread_mutex_trylock (&cb->send_lock);
 
         DEBUG ("write_graphite plugin: closing socket and restting fd "
                 "so reinit will occur");