XCache is a fast, stable PHP opcode cacher that has been proven and is now running on production servers under high load. https://xcache.lighttpd.net/
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#ifndef __XCACHE_H
#define __XCACHE_H
#define XCACHE_NAME "XCache"
#ifndef XCACHE_VERSION
# define XCACHE_VERSION "2.1.0"
#endif
#define XCACHE_AUTHOR "mOo"
#define XCACHE_COPYRIGHT "Copyright (c) 2005-2012"
#define XCACHE_URL "http://xcache.lighttpd.net"
#define XCACHE_WIKI_URL XCACHE_URL "/wiki"
#include <php.h>
#include <zend_compile.h>
#include <zend_API.h>
#include <zend.h>
#include "php_ini.h"
#include "zend_hash.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xcache/xc_shm.h"
#include "xcache/xc_lock.h"
#include "xcache/xc_compatibility.h"
#define ECALLOC_N(x, n) ((x) = ecalloc(n, sizeof((x)[0])))
#define ECALLOC_ONE(x) ECALLOC_N(x, 1)
typedef ulong xc_hash_value_t;
typedef struct {
size_t bits;
size_t size;
xc_hash_value_t mask;
} xc_hash_t;
typedef zend_op_array *(zend_compile_file_t)(zend_file_handle *h, int type TSRMLS_DC);
typedef struct _xc_entry_t xc_entry_t;
typedef struct _xc_entry_data_php_t xc_entry_data_php_t;
/* {{{ xc_cache_t */
typedef struct {
int cacheid;
xc_hash_t *hcache; /* hash to cacheid */
time_t compiling;
zend_ulong updates;
zend_ulong hits;
zend_ulong clogs;
zend_ulong ooms;
zend_ulong errors;
xc_lock_t *lck;
xc_shm_t *shm; /* which shm contains us */
xc_mem_t *mem; /* which mem contains us */
xc_entry_t **entries;
int entries_count;
xc_entry_data_php_t **phps;
int phps_count;
xc_entry_t *deletes;
int deletes_count;
xc_hash_t *hentry; /* hash settings to entry */
xc_hash_t *hphp; /* hash settings to php */
time_t last_gc_deletes;
time_t last_gc_expires;
time_t hits_by_hour_cur_time;
zend_uint hits_by_hour_cur_slot;
zend_ulong hits_by_hour[24];
time_t hits_by_second_cur_time;
zend_uint hits_by_second_cur_slot;
zend_ulong hits_by_second[5];
} xc_cache_t;
/* }}} */
/* {{{ xc_op_array_info_detail_t */
typedef struct {
zend_uint index;
zend_uint info;
} xc_op_array_info_detail_t;
/* }}} */
/* {{{ xc_op_array_info_t */
typedef struct {
#ifdef ZEND_ENGINE_2_4
zend_uint literalinfo_cnt;
xc_op_array_info_detail_t *literalinfos;
#else
zend_uint oplineinfo_cnt;
xc_op_array_info_detail_t *oplineinfos;
#endif
} xc_op_array_info_t;
/* }}} */
/* {{{ xc_classinfo_t */
typedef struct {
#ifdef IS_UNICODE
zend_uchar type;
#endif
const24_zstr key;
zend_uint key_size;
ulong h;
zend_uint methodinfo_cnt;
xc_op_array_info_t *methodinfos;
xc_cest_t cest;
#ifndef ZEND_COMPILE_DELAYED_BINDING
int oplineno;
#endif
} xc_classinfo_t;
/* }}} */
#ifdef HAVE_XCACHE_CONSTANT
/* {{{ xc_constinfo_t */
typedef struct {
#ifdef IS_UNICODE
zend_uchar type;
#endif
const24_zstr key;
zend_uint key_size;
ulong h;
zend_constant constant;
} xc_constinfo_t;
/* }}} */
#endif
/* {{{ xc_funcinfo_t */
typedef struct {
#ifdef IS_UNICODE
zend_uchar type;
#endif
const24_zstr key;
zend_uint key_size;
ulong h;
xc_op_array_info_t op_array_info;
zend_function func;
} xc_funcinfo_t;
/* }}} */
#ifdef ZEND_ENGINE_2_1
/* {{{ xc_autoglobal_t */
typedef struct {
#ifdef IS_UNICODE
zend_uchar type;
#endif
const24_zstr key;
zend_uint key_len;
ulong h;
} xc_autoglobal_t;
/* }}} */
#endif
typedef struct {
char digest[16];
} xc_md5sum_t;
/* {{{ xc_compilererror_t */
typedef struct {
int type;
uint lineno;
int error_len;
char *error;
} xc_compilererror_t;
/* }}} */
/* {{{ xc_entry_data_php_t */
struct _xc_entry_data_php_t {
xc_entry_data_php_t *next;
xc_hash_value_t hvalue;
xc_md5sum_t md5; /* md5sum of the source */
zend_ulong refcount; /* count of entries referencing to this data */
zend_ulong hits; /* hits of this php */
size_t size;
xc_op_array_info_t op_array_info;
zend_op_array *op_array;
#ifdef HAVE_XCACHE_CONSTANT
zend_uint constinfo_cnt;
xc_constinfo_t *constinfos;
#endif
zend_uint funcinfo_cnt;
xc_funcinfo_t *funcinfos;
zend_uint classinfo_cnt;
xc_classinfo_t *classinfos;
#ifndef ZEND_COMPILE_DELAYED_BINDING
zend_bool have_early_binding;
#endif
#ifdef ZEND_ENGINE_2_1
zend_uint autoglobal_cnt;
xc_autoglobal_t *autoglobals;
#endif
#ifdef E_STRICT
zend_uint compilererror_cnt;
xc_compilererror_t *compilererrors;
#endif
zend_bool have_references;
};
/* }}} */
typedef zvalue_value xc_entry_name_t;
/* {{{ xc_entry_t */
struct _xc_entry_t {
xc_entry_t *next;
size_t size;
time_t ctime; /* creation ctime of this entry */
time_t atime; /* access atime of this entry */
time_t dtime; /* deletion time of this entry */
zend_ulong hits;
zend_ulong ttl;
xc_entry_name_t name;
};
typedef struct {
xc_entry_t entry;
xc_entry_data_php_t *php;
zend_ulong refcount; /* count of php instances holding this entry */
time_t file_mtime;
size_t file_size;
int file_device;
int file_inode;
int filepath_len;
ZEND_24(NOTHING, const) char *filepath;
int dirpath_len;
char *dirpath;
#ifdef IS_UNICODE
int ufilepath_len;
UChar *ufilepath;
int udirpath_len;
UChar *udirpath;
#endif
} xc_entry_php_t;
typedef struct {
xc_entry_t entry;
#ifdef IS_UNICODE
zend_uchar name_type;
#endif
zval *value;
zend_bool have_references;
} xc_entry_var_t;
/* }}} */
typedef struct xc_entry_hash_t { /* {{{ */
xc_hash_value_t cacheid;
xc_hash_value_t entryslotid;
} xc_entry_hash_t;
/* }}} */
extern zend_module_entry xcache_module_entry;
#define phpext_xcache_ptr &xcache_module_entry
int xc_is_rw(const void *p);
int xc_is_ro(const void *p);
int xc_is_shm(const void *p);
/* {{{ xc_gc_op_array_t */
typedef struct {
#ifdef ZEND_ENGINE_2
zend_uint num_args;
zend_arg_info *arg_info;
#endif
zend_op *opcodes;
} xc_gc_op_array_t;
/* }}} */
void xc_gc_add_op_array(xc_gc_op_array_t *gc_op_array TSRMLS_DC);
void xc_fix_op_array_info(const xc_entry_php_t *xce, const xc_entry_data_php_t *php, zend_op_array *op_array, int shallow_copy, const xc_op_array_info_t *op_array_info TSRMLS_DC);
#endif /* __XCACHE_H */