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dis-bench / src /php /php-src /ext /opcache /ZendAccelerator.h
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/*
+----------------------------------------------------------------------+
| Zend OPcache |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@php.net> |
| Zeev Suraski <zeev@php.net> |
| Stanislav Malyshev <stas@zend.com> |
| Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_ACCELERATOR_H
#define ZEND_ACCELERATOR_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define ACCELERATOR_PRODUCT_NAME "Zend OPcache"
/* 2 - added Profiler support, on 20010712 */
/* 3 - added support for Optimizer's encoded-only-files mode */
/* 4 - works with the new Optimizer, that supports the file format with licenses */
/* 5 - API 4 didn't really work with the license-enabled file format. v5 does. */
/* 6 - Monitor was removed from ZendPlatform.so, to a module of its own */
/* 7 - Optimizer was embedded into Accelerator */
/* 8 - Standalone Open Source Zend OPcache */
#define ACCELERATOR_API_NO 8
#ifdef ZEND_WIN32
# include "zend_config.w32.h"
#else
#include "zend_config.h"
# include <sys/time.h>
# include <sys/resource.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "zend_extensions.h"
#include "zend_compile.h"
#include "zend_API.h"
#include "Optimizer/zend_optimizer.h"
#include "zend_accelerator_hash.h"
#include "zend_accelerator_debug.h"
#ifndef PHPAPI
# ifdef ZEND_WIN32
# define PHPAPI __declspec(dllimport)
# else
# define PHPAPI
# endif
#endif
#ifndef ZEND_EXT_API
# ifdef ZEND_WIN32
# define ZEND_EXT_API __declspec(dllexport)
# elif defined(__GNUC__) && __GNUC__ >= 4
# define ZEND_EXT_API __attribute__ ((visibility("default")))
# else
# define ZEND_EXT_API
# endif
#endif
#ifdef ZEND_WIN32
# ifndef MAXPATHLEN
# include "win32/ioutil.h"
# define MAXPATHLEN PHP_WIN32_IOUTIL_MAXPATHLEN
# endif
# include <direct.h>
#else
# ifndef MAXPATHLEN
# define MAXPATHLEN 4096
# endif
# include <sys/param.h>
#endif
/*** file locking ***/
#ifndef ZEND_WIN32
extern int lock_file;
#endif
#if defined(ZEND_WIN32)
# define ENABLE_FILE_CACHE_FALLBACK 1
#else
# define ENABLE_FILE_CACHE_FALLBACK 0
#endif
#ifdef ZEND_WIN32
typedef unsigned __int64 accel_time_t;
#else
typedef time_t accel_time_t;
#endif
typedef enum _zend_accel_restart_reason {
ACCEL_RESTART_OOM, /* restart because of out of memory */
ACCEL_RESTART_HASH, /* restart because of hash overflow */
ACCEL_RESTART_USER /* restart scheduled by opcache_reset() */
} zend_accel_restart_reason;
typedef struct _zend_early_binding {
zend_string *lcname;
zend_string *rtd_key;
zend_string *lc_parent_name;
uint32_t cache_slot;
} zend_early_binding;
typedef struct _zend_persistent_script {
zend_script script;
zend_long compiler_halt_offset; /* position of __HALT_COMPILER or -1 */
int ping_auto_globals_mask; /* which autoglobals are used by the script */
accel_time_t timestamp; /* the script modification time */
bool corrupted;
bool is_phar;
bool empty;
uint32_t num_warnings;
uint32_t num_early_bindings;
zend_error_info **warnings;
zend_early_binding *early_bindings;
void *mem; /* shared memory area used by script structures */
size_t size; /* size of used shared memory */
struct zend_persistent_script_dynamic_members {
time_t last_used;
zend_ulong hits;
unsigned int memory_consumption;
time_t revalidate;
} dynamic_members;
} zend_persistent_script;
typedef struct _zend_accel_directives {
zend_long memory_consumption;
zend_long max_accelerated_files;
double max_wasted_percentage;
char *user_blacklist_filename;
zend_long force_restart_timeout;
bool use_cwd;
bool ignore_dups;
bool validate_timestamps;
bool revalidate_path;
bool save_comments;
bool record_warnings;
bool protect_memory;
bool file_override_enabled;
bool enable_cli;
bool validate_permission;
#ifndef ZEND_WIN32
bool validate_root;
#endif
zend_ulong revalidate_freq;
zend_ulong file_update_protection;
char *error_log;
#ifdef ZEND_WIN32
char *mmap_base;
#endif
char *memory_model;
zend_long log_verbosity_level;
zend_long optimization_level;
zend_long opt_debug_level;
zend_long max_file_size;
zend_long interned_strings_buffer;
char *restrict_api;
#ifndef ZEND_WIN32
char *lockfile_path;
#endif
char *file_cache;
bool file_cache_read_only;
bool file_cache_only;
bool file_cache_consistency_checks;
#if ENABLE_FILE_CACHE_FALLBACK
bool file_cache_fallback;
#endif
#ifdef HAVE_HUGE_CODE_PAGES
bool huge_code_pages;
#endif
char *preload;
#ifndef ZEND_WIN32
char *preload_user;
#endif
#ifdef ZEND_WIN32
char *cache_id;
#endif
} zend_accel_directives;
typedef struct _zend_accel_globals {
bool counted; /* the process uses shared memory */
bool enabled;
bool locked; /* thread obtained exclusive lock */
bool accelerator_enabled; /* accelerator enabled for current request */
bool pcre_reseted;
zend_accel_directives accel_directives;
zend_string *cwd; /* current working directory or NULL */
zend_string *include_path; /* current value of "include_path" directive */
char include_path_key[32]; /* key of current "include_path" */
char cwd_key[32]; /* key of current working directory */
int include_path_key_len;
bool include_path_check;
int cwd_key_len;
bool cwd_check;
int auto_globals_mask;
time_t request_time;
time_t last_restart_time; /* used to synchronize SHM and in-process caches */
HashTable xlat_table;
#ifndef ZEND_WIN32
zend_ulong root_hash;
#endif
void *preloaded_internal_run_time_cache;
size_t preloaded_internal_run_time_cache_size;
/* preallocated shared-memory block to save current script */
void *mem;
zend_persistent_script *current_persistent_script;
/* cache to save hash lookup on the same INCLUDE opcode */
const zend_op *cache_opline;
zend_persistent_script *cache_persistent_script;
/* preallocated buffer for keys */
zend_string *key;
} zend_accel_globals;
typedef struct _zend_string_table {
uint32_t nTableMask;
uint32_t nNumOfElements;
zend_string *start;
zend_string *top;
zend_string *end;
zend_string *saved_top;
} zend_string_table;
typedef uint32_t zend_string_table_pos_t;
#define ZEND_STRING_TABLE_POS_MAX UINT32_MAX
#define ZEND_STRING_TABLE_POS_ALIGNMENT 8
typedef struct _zend_accel_shared_globals {
/* Cache Data Structures */
zend_ulong hits;
zend_ulong misses;
zend_ulong blacklist_misses;
zend_ulong oom_restarts; /* number of restarts because of out of memory */
zend_ulong hash_restarts; /* number of restarts because of hash overflow */
zend_ulong manual_restarts; /* number of restarts scheduled by opcache_reset() */
zend_accel_hash hash; /* hash table for cached scripts */
size_t map_ptr_last;
size_t map_ptr_static_last;
/* Directives & Maintenance */
time_t start_time;
time_t last_restart_time;
time_t force_restart_time;
bool accelerator_enabled;
bool restart_pending;
zend_accel_restart_reason restart_reason;
bool cache_status_before_restart;
#ifdef ZEND_WIN32
LONGLONG mem_usage;
LONGLONG restart_in;
#endif
bool restart_in_progress;
bool jit_counters_stopped;
/* Preloading */
zend_persistent_script *preload_script;
zend_persistent_script **saved_scripts;
/* uninitialized HashTable Support */
uint32_t uninitialized_bucket[-HT_MIN_MASK];
/* Tracing JIT */
void *jit_traces;
const void **jit_exit_groups;
/* Interned Strings Support (must be the last element) */
ZEND_SET_ALIGNED(ZEND_STRING_TABLE_POS_ALIGNMENT, zend_string_table interned_strings);
} zend_accel_shared_globals;
#ifdef ZEND_WIN32
extern char accel_uname_id[32];
#endif
extern bool accel_startup_ok;
extern bool file_cache_only;
#if ENABLE_FILE_CACHE_FALLBACK
extern bool fallback_process;
#endif
extern zend_accel_shared_globals *accel_shared_globals;
#define ZCSG(element) (accel_shared_globals->element)
#ifdef ZTS
# define ZCG(v) ZEND_TSRMG(accel_globals_id, zend_accel_globals *, v)
extern int accel_globals_id;
# ifdef COMPILE_DL_OPCACHE
ZEND_TSRMLS_CACHE_EXTERN()
# endif
#else
# define ZCG(v) (accel_globals.v)
extern zend_accel_globals accel_globals;
#endif
extern const char *zps_api_failure_reason;
BEGIN_EXTERN_C()
void accel_shutdown(void);
ZEND_RINIT_FUNCTION(zend_accelerator);
zend_result accel_post_deactivate(void);
void zend_accel_schedule_restart(zend_accel_restart_reason reason);
void zend_accel_schedule_restart_if_necessary(zend_accel_restart_reason reason);
accel_time_t zend_get_file_handle_timestamp(zend_file_handle *file_handle, size_t *size);
zend_result validate_timestamp_and_record(zend_persistent_script *persistent_script, zend_file_handle *file_handle);
zend_result validate_timestamp_and_record_ex(zend_persistent_script *persistent_script, zend_file_handle *file_handle);
zend_result zend_accel_invalidate(zend_string *filename, bool force);
zend_result accelerator_shm_read_lock(void);
void accelerator_shm_read_unlock(void);
zend_string *accel_make_persistent_key(zend_string *path);
zend_op_array *persistent_compile_file(zend_file_handle *file_handle, int type);
#define IS_ACCEL_INTERNED(str) \
((char*)(str) >= (char*)ZCSG(interned_strings).start && (char*)(str) < (char*)ZCSG(interned_strings).top)
zend_string* ZEND_FASTCALL accel_new_interned_string(zend_string *str);
uint32_t zend_accel_get_class_name_map_ptr(zend_string *type_name);
END_EXTERN_C()
/* memory write protection */
#define SHM_PROTECT() \
do { \
if (ZCG(accel_directives).protect_memory) { \
zend_accel_shared_protect(true); \
} \
} while (0)
#define SHM_UNPROTECT() \
do { \
if (ZCG(accel_directives).protect_memory) { \
zend_accel_shared_protect(false); \
} \
} while (0)
#endif /* ZEND_ACCELERATOR_H */