PHP_STREAM_OPTION_LOCKING 403 main/php_streams.h #define php_stream_supports_lock(stream) _php_stream_set_option((stream), PHP_STREAM_OPTION_LOCKING, 0, (void *) PHP_STREAM_LOCK_SUPPORTED TSRMLS_CC) == 0 ? 1 : 0 PHP_STREAM_OPTION_LOCKING 404 main/php_streams.h #define php_stream_lock(stream, mode) _php_stream_set_option((stream), PHP_STREAM_OPTION_LOCKING, (mode), (void *) NULL TSRMLS_CC) PHP_STREAM_OPTION_LOCKING 634 main/streams/plain_wrapper.c case PHP_STREAM_OPTION_LOCKING: PHP_STREAM_OPTION_LOCKING 992 main/streams/userspace.c case PHP_STREAM_OPTION_LOCKING: