More for ITS#5835

diff --git a/servers/slapd/result.c b/servers/slapd/result.c
index 760113b9c7448f5acb6df353dbfda72c56387adb..9dc2dd5362086c82ba8f33938c6784d1fd3ab0b0 100644 (file)
--- a/servers/slapd/result.c
+++ b/servers/slapd/result.c
@@ -160,17 +160,26 @@ static long send_ldap_ber(
        }
 
        conn->c_writers++;
-       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
 
-       if ( closing )
+       if ( closing ) {
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                return 0;
+       }
 
        /* write the pdu */
        while( 1 ) {
                int err;
 
                /* lock the connection */ 
-               ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+               if ( ldap_pvt_thread_mutex_trylock( &conn->c_mutex )) {
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+                       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+                       if ( conn->c_writers < 0 ) {
+                               ret = 0;
+                               break;
+                       }
+                       continue;
+               }
 
                if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
@@ -190,12 +199,12 @@ static long send_ldap_ber(
                    err, sock_errstr(err), 0 );
 
                if ( err != EWOULDBLOCK && err != EAGAIN ) {
+                       conn->c_writers--;
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                        connection_closing( conn, "connection lost on write" );
 
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
-
-                       ret = -1;
-                       break;
+                       return -1;
                }
 
                /* wait for socket to be write-ready */
@@ -203,20 +212,18 @@ static long send_ldap_ber(
                conn->c_writewaiter = 1;
                slapd_set_write( conn->c_sd, 1 );
 
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
                ldap_pvt_thread_cond_wait( &conn->c_write2_cv, &conn->c_write2_mutex );
                conn->c_writewaiter = 0;
                ldap_pvt_thread_mutex_unlock( &conn->c_write2_mutex );
                ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
-               closing = ( conn->c_writers < 0 );
-               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
-               if ( closing ) {
+               if ( conn->c_writers < 0 ) {
                        ret = 0;
                        break;
                }
        }
 
-       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
        if ( conn->c_writers < 0 ) {
                conn->c_writers++;
                if ( !conn->c_writers )