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proc
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root
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opt
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cloudlinux
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alt-php82
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root
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usr
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php
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Zend
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files >> //proc/thread-self/root/opt/cloudlinux/alt-php82/root/usr/include/php/Zend/zend_gc.h
/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 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: David Wang <planetbeing@gmail.com> | | Dmitry Stogov <dmitry@php.net> | +----------------------------------------------------------------------+ */ #ifndef ZEND_GC_H #define ZEND_GC_H BEGIN_EXTERN_C() typedef struct _zend_gc_status { uint32_t runs; uint32_t collected; uint32_t threshold; uint32_t num_roots; } zend_gc_status; ZEND_API extern int (*gc_collect_cycles)(void); ZEND_API void ZEND_FASTCALL gc_possible_root(zend_refcounted *ref); ZEND_API void ZEND_FASTCALL gc_remove_from_buffer(zend_refcounted *ref); /* enable/disable automatic start of GC collection */ ZEND_API bool gc_enable(bool enable); ZEND_API bool gc_enabled(void); /* enable/disable possible root additions */ ZEND_API bool gc_protect(bool protect); ZEND_API bool gc_protected(void); /* The default implementation of the gc_collect_cycles callback. */ ZEND_API int zend_gc_collect_cycles(void); ZEND_API void zend_gc_get_status(zend_gc_status *status); void gc_globals_ctor(void); void gc_globals_dtor(void); void gc_reset(void); #ifdef ZTS size_t zend_gc_globals_size(void); #endif #define GC_REMOVE_FROM_BUFFER(p) do { \ zend_refcounted *_p = (zend_refcounted*)(p); \ if (GC_TYPE_INFO(_p) & GC_INFO_MASK) { \ gc_remove_from_buffer(_p); \ } \ } while (0) #define GC_MAY_LEAK(ref) \ ((GC_TYPE_INFO(ref) & \ (GC_INFO_MASK | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))) == 0) static zend_always_inline void gc_check_possible_root(zend_refcounted *ref) { if (EXPECTED(GC_TYPE_INFO(ref) == GC_REFERENCE)) { zval *zv = &((zend_reference*)ref)->val; if (!Z_COLLECTABLE_P(zv)) { return; } ref = Z_COUNTED_P(zv); } if (UNEXPECTED(GC_MAY_LEAK(ref))) { gc_possible_root(ref); } } /* These APIs can be used to simplify object get_gc implementations * over heterogeneous structures. See zend_generator_get_gc() for * a usage example. */ typedef struct { zval *cur; zval *end; zval *start; } zend_get_gc_buffer; ZEND_API zend_get_gc_buffer *zend_get_gc_buffer_create(void); ZEND_API void zend_get_gc_buffer_grow(zend_get_gc_buffer *gc_buffer); static zend_always_inline void zend_get_gc_buffer_add_zval( zend_get_gc_buffer *gc_buffer, zval *zv) { if (Z_REFCOUNTED_P(zv)) { if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) { zend_get_gc_buffer_grow(gc_buffer); } ZVAL_COPY_VALUE(gc_buffer->cur, zv); gc_buffer->cur++; } } static zend_always_inline void zend_get_gc_buffer_add_obj( zend_get_gc_buffer *gc_buffer, zend_object *obj) { if (UNEXPECTED(gc_buffer->cur == gc_buffer->end)) { zend_get_gc_buffer_grow(gc_buffer); } ZVAL_OBJ(gc_buffer->cur, obj); gc_buffer->cur++; } static zend_always_inline void zend_get_gc_buffer_use( zend_get_gc_buffer *gc_buffer, zval **table, int *n) { *table = gc_buffer->start; *n = gc_buffer->cur - gc_buffer->start; } END_EXTERN_C() #endif /* ZEND_GC_H */
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