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-rw-r--r--rpc/rpc-transport/socket/src/socket.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/rpc/rpc-transport/socket/src/socket.c b/rpc/rpc-transport/socket/src/socket.c
index ece2bc8379a..e6ef7d2c220 100644
--- a/rpc/rpc-transport/socket/src/socket.c
+++ b/rpc/rpc-transport/socket/src/socket.c
@@ -3567,8 +3567,21 @@ socket_throttle (rpc_transport_t *this, gf_boolean_t onoff)
will never read() any more data until throttling
is turned off.
*/
- priv->idx = event_select_on (this->ctx->event_pool, priv->sock,
- priv->idx, (int) !onoff, -1);
+ pthread_mutex_lock (&priv->lock);
+ {
+
+ /* Throttling is useless on a disconnected transport. In fact,
+ * it's dangerous since priv->idx and priv->sock are set to -1
+ * on a disconnected transport, which breaks epoll's event to
+ * registered fd mapping. */
+
+ if (priv->connected == 1)
+ priv->idx = event_select_on (this->ctx->event_pool,
+ priv->sock,
+ priv->idx, (int) !onoff,
+ -1);
+ }
+ pthread_mutex_unlock (&priv->lock);
return 0;
}