commit 2887c06fdecbb4eccaf69a9e7fbef55f1b49c2b5
author Maxim Dounin <mdounin@mdounin.ru> Fri Feb 01 14:37:43 2013 +0000
committer Maxim Dounin <mdounin@mdounin.ru> Fri Feb 01 14:37:43 2013 +0000
tree 1c682e989babfecd202ccb4eb91c418c6cd6025a
parent 733e6d2ac6c544aa1a3f42dbc93c9e6d4adf7122

SSL: fixed ngx_ssl_handshake() with level-triggered event methods.

Missing calls to ngx_handle_write_event() and ngx_handle_read_event()
resulted in a CPU hog during SSL handshake if an level-triggered event
method (e.g. select) was used.

src/event/ngx_event_openssl.c

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 1a1498c..b8f1cae 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -808,6 +808,10 @@
             return NGX_ERROR;
         }
 
+        if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
+            return NGX_ERROR;
+        }
+
         return NGX_AGAIN;
     }
 
@@ -816,6 +820,10 @@
         c->read->handler = ngx_ssl_handshake_handler;
         c->write->handler = ngx_ssl_handshake_handler;
 
+        if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
+            return NGX_ERROR;
+        }
+
         if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
             return NGX_ERROR;
         }