[package] uhttpd: block SIGCHLD until it is expected (#6957)
[openwrt-10.03/.git] / package / uhttpd / src / uhttpd-lua.c
index c1e749043864507a449f9b5047e62864a3bd07d7..b3f3cb498f75cb5e10ca8ef25b3eeaa5410d5e55 100644 (file)
@@ -439,6 +439,9 @@ void uh_lua_request(struct client *cl, struct http_request *req, lua_State *L)
 
                        data_sent = 0;
 
+                       timeout.tv_sec = cl->server->conf->script_timeout;
+                       timeout.tv_usec = 0;
+
                        /* I/O loop, watch our pipe ends and dispatch child reads/writes from/to socket */
                        while( 1 )
                        {
@@ -448,12 +451,11 @@ void uh_lua_request(struct client *cl, struct http_request *req, lua_State *L)
                                FD_SET(rfd[0], &reader);
                                FD_SET(wfd[1], &writer);
 
-                               timeout.tv_sec = cl->server->conf->script_timeout;
-                               timeout.tv_usec = 0;
-
                                /* wait until we can read or write or both */
-                               if( select(fd_max, &reader, (content_length > -1) ? &writer : NULL, NULL, &timeout) > 0 )
-                               {
+                               if( select_intr(fd_max, &reader,
+                                   (content_length > -1) ? &writer : NULL, NULL,
+                                       (data_sent < 1) ? &timeout : NULL) > 0
+                               ) {
                                        /* ready to write to Lua child */
                                        if( FD_ISSET(wfd[1], &writer) )
                                        {