diff options
Diffstat (limited to 'Zend/zend_map_ptr.h')
| -rw-r--r-- | Zend/zend_map_ptr.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Zend/zend_map_ptr.h b/Zend/zend_map_ptr.h new file mode 100644 index 0000000000..88872ab1fe --- /dev/null +++ b/Zend/zend_map_ptr.h @@ -0,0 +1,95 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) | + +----------------------------------------------------------------------+ + | This source file is subject to version 2.00 of the Zend license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.zend.com/license/2_00.txt. | + | If you did not receive a copy of the Zend license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@zend.com so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Dmitry Stogov <dmitry@zend.com> | + +----------------------------------------------------------------------+ +*/ + +#ifndef ZEND_MAP_PTR_H +#define ZEND_MAP_PTR_H + +#include "zend_portability.h" + +#define ZEND_MAP_PTR_KIND_PTR 0 +#define ZEND_MAP_PTR_KIND_PTR_OR_OFFSET 1 + +//#if defined(ZTS) || defined(TSRM_WIN32) +# define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR_OR_OFFSET +//#else +//# define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR +//#endif + +#if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR +# define ZEND_MAP_PTR(ptr) \ + ptr ## __ptr +# define ZEND_MAP_PTR_DEF(type, name) \ + type * ZEND_MAP_PTR(name) +# define ZEND_MAP_PTR_GET(ptr) \ + (*(ZEND_MAP_PTR(ptr))) +# define ZEND_MAP_PTR_SET(ptr, val) do { \ + (*(ZEND_MAP_PTR(ptr))) = (val); \ + } while (0) +# define ZEND_MAP_PTR_INIT(ptr, val) do { \ + ZEND_MAP_PTR(ptr) = (val); \ + } while (0) +# define ZEND_MAP_PTR_NEW(ptr) do { \ + ZEND_MAP_PTR(ptr) = zend_map_ptr_new(); \ + } while (0) +#elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET +# define ZEND_MAP_PTR(ptr) \ + ptr ## __ptr +# define ZEND_MAP_PTR_DEF(type, name) \ + type * ZEND_MAP_PTR(name) +# define ZEND_MAP_PTR_IS_OFFSET(ptr) \ + (((uintptr_t)ZEND_MAP_PTR(ptr)) & 1L) +# define ZEND_MAP_PTR_OFFSET2PTR(ptr) \ + ((void**)((char*)CG(map_ptr_base) + (uintptr_t)ZEND_MAP_PTR(ptr) - 1)) +# define ZEND_MAP_PTR_PTR2OFFSET(ptr) \ + ((void*)((uintptr_t)(((char*)(ptr)) - ((char*)CG(map_ptr_base))) | 1L)) +# define ZEND_MAP_PTR_GET(ptr) \ + (ZEND_MAP_PTR_IS_OFFSET(ptr) ? \ + *(ZEND_MAP_PTR_OFFSET2PTR(ptr)) : \ + (void*)(*(ZEND_MAP_PTR(ptr)))) +# define ZEND_MAP_PTR_SET(ptr, val) do { \ + if (ZEND_MAP_PTR_IS_OFFSET(ptr)) { \ + *(ZEND_MAP_PTR_OFFSET2PTR(ptr)) = (val); \ + } else { \ + *(ZEND_MAP_PTR(ptr)) = (val); \ + } \ + } while (0) +# define ZEND_MAP_PTR_INIT(ptr, val) do { \ + ZEND_MAP_PTR(ptr) = (val); \ + } while (0) +# define ZEND_MAP_PTR_NEW(ptr) do { \ + ZEND_MAP_PTR(ptr) = zend_map_ptr_new(); \ + } while (0) +#else +# error "Unknown ZEND_MAP_PTR_KIND" +#endif + +ZEND_API void zend_map_ptr_reset(void); +ZEND_API void *zend_map_ptr_new(void); +ZEND_API void zend_map_ptr_extend(size_t last); + +#endif /* ZEND_MAP_PTR_H */ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * indent-tabs-mode: t + * End: + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ |