Cleanup

[openldap] / servers / slapd / connection.c

diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c
index 05e8122c62cdcfa6110bb61fe61b0e9f959de708..43faf736a511b65f30d575dcbf813fbade6c81ed 100644 (file)
--- a/servers/slapd/connection.c
+++ b/servers/slapd/connection.c
@@ -242,14 +242,15 @@ int connections_timeout_idle(time_t now)
                        continue;
                }
 
-               if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
+               if( global_idletimeout && 
+                       difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
                        /* close it */
                        connection_closing( c, "idletimeout" );
                        connection_close( c );
                        i++;
                        continue;
                }
-               if ( c->c_writewaiter ) {
+               if ( c->c_writewaiter && global_writetimeout ) {
                        writers = 1;
                        if( difftime( c->c_activitytime+global_writetimeout, now) < 0 ) {
                                /* close it */
@@ -260,7 +261,7 @@ int connections_timeout_idle(time_t now)
                }
        }
        connection_done( c );
-       if ( !writers )
+       if ( old && !writers )
                slapd_clr_writetime( old );
 
        return i;
@@ -752,11 +753,39 @@ static void connection_abandon( Connection *c )
        }
 }
 
+static void
+connection_wake_writers( Connection *c )
+{
+       /* wake write blocked operations */
+       ldap_pvt_thread_mutex_lock( &c->c_write1_mutex );
+       if ( c->c_writers > 0 ) {
+               c->c_writers = -c->c_writers;
+               ldap_pvt_thread_cond_broadcast( &c->c_write1_cv );
+               ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
+               if ( c->c_writewaiter ) {
+                       ldap_pvt_thread_mutex_lock( &c->c_write2_mutex );
+                       ldap_pvt_thread_cond_signal( &c->c_write2_cv );
+                       slapd_clr_write( c->c_sd, 1 );
+                       ldap_pvt_thread_mutex_unlock( &c->c_write2_mutex );
+               }
+               ldap_pvt_thread_mutex_lock( &c->c_write1_mutex );
+               while ( c->c_writers ) {
+                       ldap_pvt_thread_cond_wait( &c->c_write1_cv, &c->c_write1_mutex );
+               }
+               ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
+       } else {
+               ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
+               slapd_clr_write( c->c_sd, 1 );
+       }
+}
+
 void connection_closing( Connection *c, const char *why )
 {
        assert( connections != NULL );
        assert( c != NULL );
-       assert( c->c_struct_state == SLAP_C_USED );
+
+       if ( c->c_struct_state != SLAP_C_USED ) return;
+
        assert( c->c_conn_state != SLAP_C_INVALID );
 
        /* c_mutex must be locked by caller */
@@ -776,26 +805,7 @@ void connection_closing( Connection *c, const char *why )
                connection_abandon( c );
 
                /* wake write blocked operations */
-               ldap_pvt_thread_mutex_lock( &c->c_write1_mutex );
-               if ( c->c_writers > 0 ) {
-                       c->c_writers = -c->c_writers;
-                       ldap_pvt_thread_cond_broadcast( &c->c_write1_cv );
-                       ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
-                       if ( c->c_writewaiter ) {
-                               ldap_pvt_thread_mutex_lock( &c->c_write2_mutex );
-                               ldap_pvt_thread_cond_signal( &c->c_write2_cv );
-                               slapd_clr_write( c->c_sd, 1 );
-                               ldap_pvt_thread_mutex_unlock( &c->c_write2_mutex );
-                       }
-                       ldap_pvt_thread_mutex_lock( &c->c_write1_mutex );
-                       while ( c->c_writers ) {
-                               ldap_pvt_thread_cond_wait( &c->c_write1_cv, &c->c_write1_mutex );
-                       }
-                       ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
-               } else {
-                       ldap_pvt_thread_mutex_unlock( &c->c_write1_mutex );
-                       slapd_clr_write( c->c_sd, 1 );
-               }
+               connection_wake_writers( c );
 
        } else if( why == NULL && c->c_close_reason == conn_lost_str ) {
                /* Client closed connection after doing Unbind. */
@@ -808,7 +818,9 @@ connection_close( Connection *c )
 {
        assert( connections != NULL );
        assert( c != NULL );
-       assert( c->c_struct_state == SLAP_C_USED );
+
+       if ( c->c_struct_state != SLAP_C_USED ) return;
+
        assert( c->c_conn_state == SLAP_C_CLOSING );
 
        /* NOTE: c_mutex should be locked by caller */
@@ -1269,6 +1281,11 @@ int connection_read_activate( ber_socket_t s )
        if ( rc )
                return rc;
 
+       /* Don't let blocked writers block a pause request */
+       if ( connections[s].c_writewaiter &&
+               ldap_pvt_thread_pool_pausing( &connection_pool ))
+               connection_wake_writers( &connections[s] );
+
        rc = ldap_pvt_thread_pool_submit( &connection_pool,
                connection_read_thread, (void *)(long)s );