Datasets:

meddyrat
/

dis-bench

/*
   +----------------------------------------------------------------------+
   | 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_SHARED_ALLOC_H
#define ZEND_SHARED_ALLOC_H

#include "zend.h"
#include "ZendAccelerator.h"

#if defined(__APPLE__) && defined(__MACH__) /* darwin */
# ifdef HAVE_SHM_MMAP_POSIX
#  define USE_SHM_OPEN  1
# endif
# ifdef HAVE_SHM_MMAP_ANON
#  define USE_MMAP      1
# endif
#elif defined(__linux__) || defined(_AIX)
# ifdef HAVE_SHM_MMAP_POSIX
#  define USE_SHM_OPEN  1
# endif
# ifdef HAVE_SHM_IPC
#  define USE_SHM       1
# endif
# ifdef HAVE_SHM_MMAP_ANON
#  define USE_MMAP      1
# endif
#elif defined(__sparc) || defined(__sun)
# ifdef HAVE_SHM_MMAP_POSIX
#  define USE_SHM_OPEN  1
# endif
# ifdef HAVE_SHM_IPC
#  define USE_SHM       1
# endif
# if defined(__i386)
#  ifdef HAVE_SHM_MMAP_ANON
#   define USE_MMAP     1
#  endif
# endif
#else
# ifdef HAVE_SHM_MMAP_POSIX
#  define USE_SHM_OPEN  1
# endif
# ifdef HAVE_SHM_MMAP_ANON
#  define USE_MMAP      1
# endif
# ifdef HAVE_SHM_IPC
#  define USE_SHM       1
# endif
#endif

#define ALLOC_FAILURE           0
#define ALLOC_SUCCESS           1
#define FAILED_REATTACHED       2
#define SUCCESSFULLY_REATTACHED 4
#define ALLOC_FAIL_MAPPING      8
#define ALLOC_FALLBACK          9

typedef struct _zend_shared_segment {
    size_t  size;
    size_t  end;
    size_t  pos;  /* position for simple stack allocator */
    void   *p;
} zend_shared_segment;

typedef int (*create_segments_t)(size_t requested_size, zend_shared_segment ***shared_segments, int *shared_segment_count, const char **error_in);
typedef int (*detach_segment_t)(zend_shared_segment *shared_segment);

typedef struct {
	create_segments_t create_segments;
	detach_segment_t detach_segment;
	size_t (*segment_type_size)(void);
} zend_shared_memory_handlers;

typedef struct _handler_entry {
	const char                  *name;
	const zend_shared_memory_handlers *handler;
} zend_shared_memory_handler_entry;

typedef struct _zend_shared_memory_state {
	size_t *positions;  /* current positions for each segment */
	size_t shared_free; /* amount of free shared memory */
} zend_shared_memory_state;

typedef struct _zend_smm_shared_globals {
    /* Shared Memory Manager */
    zend_shared_segment      **shared_segments;
    /* Number of allocated shared segments */
    int                        shared_segments_count;
    /* Amount of free shared memory */
    size_t                     shared_free;
    /* Amount of shared memory allocated by garbage */
    size_t                     wasted_shared_memory;
    /* No more shared memory flag */
    bool                  memory_exhausted;
    /* Saved Shared Allocator State */
    zend_shared_memory_state   shared_memory_state;
	/* Pointer to the application's shared data structures */
	void                      *app_shared_globals;
	/* Reserved shared memory */
	void                      *reserved;
	size_t                     reserved_size;
} zend_smm_shared_globals;

ZEND_EXT_API extern zend_smm_shared_globals *smm_shared_globals;

#define ZSMMG(element)		(smm_shared_globals->element)

#define SHARED_ALLOC_REATTACHED		(SUCCESS+1)

BEGIN_EXTERN_C()

int zend_shared_alloc_startup(size_t requested_size, size_t reserved_size);
void zend_shared_alloc_shutdown(void);

/* allocate shared memory block */
void *zend_shared_alloc(size_t size);

/**
 * Wrapper for zend_shared_alloc() which aligns at 64-byte boundary if
 * AVX or SSE2 are used.
 */
static inline void *zend_shared_alloc_aligned(size_t size) {
#if defined(__AVX__) || defined(__SSE2__)
	/* Align to 64-byte boundary */
	void *p = zend_shared_alloc(size + 64);
	return (void *)(((uintptr_t)p + 63L) & ~63L);
#else
	return zend_shared_alloc(size);
#endif
}

/* copy into shared memory */
void *zend_shared_memdup_get_put_free(void *source, size_t size);
void *zend_shared_memdup_put_free(void *source, size_t size);
void *zend_shared_memdup_free(void *source, size_t size);
void *zend_shared_memdup_get_put(void *source, size_t size);
void *zend_shared_memdup_put(void *source, size_t size);
void *zend_shared_memdup(void *source, size_t size);

int  zend_shared_memdup_size(void *p, size_t size);

bool zend_accel_in_shm(void *ptr);

typedef union _align_test {
	void   *ptr;
	double  dbl;
	zend_long  lng;
} align_test;

#if ZEND_GCC_VERSION >= 2000
# define PLATFORM_ALIGNMENT (__alignof__(align_test) < 8 ? 8 : __alignof__(align_test))
#else
# define PLATFORM_ALIGNMENT (sizeof(align_test))
#endif

#define ZEND_ALIGNED_SIZE(size) \
	ZEND_MM_ALIGNED_SIZE_EX(size, PLATFORM_ALIGNMENT)

/* exclusive locking */
void zend_shared_alloc_lock(void);
void zend_shared_alloc_unlock(void); /* returns the allocated size during lock..unlock */
void zend_shared_alloc_safe_unlock(void);

/* old/new mapping functions */
void zend_shared_alloc_init_xlat_table(void);
void zend_shared_alloc_destroy_xlat_table(void);
void zend_shared_alloc_clear_xlat_table(void);
uint32_t zend_shared_alloc_checkpoint_xlat_table(void);
void zend_shared_alloc_restore_xlat_table(uint32_t checkpoint);
void zend_shared_alloc_register_xlat_entry(const void *key, const void *value);
void *zend_shared_alloc_get_xlat_entry(const void *key);

size_t zend_shared_alloc_get_free_memory(void);
void zend_shared_alloc_save_state(void);
void zend_shared_alloc_restore_state(void);
const char *zend_accel_get_shared_model(void);

/**
 * Memory write protection
 *
 * @param protected true to protect shared memory (read-only), false
 * to unprotect shared memory (writable)
 */
void zend_accel_shared_protect(bool protected);

#ifdef USE_MMAP
extern const zend_shared_memory_handlers zend_alloc_mmap_handlers;
#endif

#ifdef USE_SHM
extern const zend_shared_memory_handlers zend_alloc_shm_handlers;
#endif

#ifdef USE_SHM_OPEN
extern const zend_shared_memory_handlers zend_alloc_posix_handlers;
#endif

#ifdef ZEND_WIN32
extern const zend_shared_memory_handlers zend_alloc_win32_handlers;
void zend_shared_alloc_create_lock(void);
void zend_shared_alloc_lock_win32(void);
void zend_shared_alloc_unlock_win32(void);
#endif

END_EXTERN_C()

#endif /* ZEND_SHARED_ALLOC_H */

	/*
	+----------------------------------------------------------------------+
	\| 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_SHARED_ALLOC_H
	#define ZEND_SHARED_ALLOC_H

	#include "zend.h"
	#include "ZendAccelerator.h"

	#if defined(__APPLE__) && defined(__MACH__) /* darwin */
	# ifdef HAVE_SHM_MMAP_POSIX
	# define USE_SHM_OPEN 1
	# endif
	# ifdef HAVE_SHM_MMAP_ANON
	# define USE_MMAP 1
	# endif
	#elif defined(__linux__) \|\| defined(_AIX)
	# ifdef HAVE_SHM_MMAP_POSIX
	# define USE_SHM_OPEN 1
	# endif
	# ifdef HAVE_SHM_IPC
	# define USE_SHM 1
	# endif
	# ifdef HAVE_SHM_MMAP_ANON
	# define USE_MMAP 1
	# endif
	#elif defined(__sparc) \|\| defined(__sun)
	# ifdef HAVE_SHM_MMAP_POSIX
	# define USE_SHM_OPEN 1
	# endif
	# ifdef HAVE_SHM_IPC
	# define USE_SHM 1
	# endif
	# if defined(__i386)
	# ifdef HAVE_SHM_MMAP_ANON
	# define USE_MMAP 1
	# endif
	# endif
	#else
	# ifdef HAVE_SHM_MMAP_POSIX
	# define USE_SHM_OPEN 1
	# endif
	# ifdef HAVE_SHM_MMAP_ANON
	# define USE_MMAP 1
	# endif
	# ifdef HAVE_SHM_IPC
	# define USE_SHM 1
	# endif
	#endif

	#define ALLOC_FAILURE 0
	#define ALLOC_SUCCESS 1
	#define FAILED_REATTACHED 2
	#define SUCCESSFULLY_REATTACHED 4
	#define ALLOC_FAIL_MAPPING 8
	#define ALLOC_FALLBACK 9

	typedef struct _zend_shared_segment {
	size_t size;
	size_t end;
	size_t pos; /* position for simple stack allocator */
	void *p;
	} zend_shared_segment;

	typedef int (create_segments_t)(size_t requested_size, zend_shared_segment *shared_segments, int shared_segment_count, const char **error_in);
	typedef int (detach_segment_t)(zend_shared_segment shared_segment);

	typedef struct {
	create_segments_t create_segments;
	detach_segment_t detach_segment;
	size_t (*segment_type_size)(void);
	} zend_shared_memory_handlers;

	typedef struct _handler_entry {
	const char *name;
	const zend_shared_memory_handlers *handler;
	} zend_shared_memory_handler_entry;

	typedef struct _zend_shared_memory_state {
	size_t positions; / current positions for each segment */
	size_t shared_free; /* amount of free shared memory */
	} zend_shared_memory_state;

	typedef struct _zend_smm_shared_globals {
	/* Shared Memory Manager */
	zend_shared_segment **shared_segments;
	/* Number of allocated shared segments */
	int shared_segments_count;
	/* Amount of free shared memory */
	size_t shared_free;
	/* Amount of shared memory allocated by garbage */
	size_t wasted_shared_memory;
	/* No more shared memory flag */
	bool memory_exhausted;
	/* Saved Shared Allocator State */
	zend_shared_memory_state shared_memory_state;
	/* Pointer to the application's shared data structures */
	void *app_shared_globals;
	/* Reserved shared memory */
	void *reserved;
	size_t reserved_size;
	} zend_smm_shared_globals;

	ZEND_EXT_API extern zend_smm_shared_globals *smm_shared_globals;

	#define ZSMMG(element) (smm_shared_globals->element)

	#define SHARED_ALLOC_REATTACHED (SUCCESS+1)

	BEGIN_EXTERN_C()

	int zend_shared_alloc_startup(size_t requested_size, size_t reserved_size);
	void zend_shared_alloc_shutdown(void);

	/* allocate shared memory block */
	void *zend_shared_alloc(size_t size);

	/**
	* Wrapper for zend_shared_alloc() which aligns at 64-byte boundary if
	* AVX or SSE2 are used.
	*/
	static inline void *zend_shared_alloc_aligned(size_t size) {
	#if defined(__AVX__) \|\| defined(__SSE2__)
	/* Align to 64-byte boundary */
	void *p = zend_shared_alloc(size + 64);
	return (void *)(((uintptr_t)p + 63L) & ~63L);
	#else
	return zend_shared_alloc(size);
	#endif
	}

	/* copy into shared memory */
	void zend_shared_memdup_get_put_free(void source, size_t size);
	void zend_shared_memdup_put_free(void source, size_t size);
	void zend_shared_memdup_free(void source, size_t size);
	void zend_shared_memdup_get_put(void source, size_t size);
	void zend_shared_memdup_put(void source, size_t size);
	void zend_shared_memdup(void source, size_t size);

	int zend_shared_memdup_size(void *p, size_t size);

	bool zend_accel_in_shm(void *ptr);

	typedef union _align_test {
	void *ptr;
	double dbl;
	zend_long lng;
	} align_test;

	#if ZEND_GCC_VERSION >= 2000
	# define PLATFORM_ALIGNMENT (__alignof__(align_test) < 8 ? 8 : __alignof__(align_test))
	#else
	# define PLATFORM_ALIGNMENT (sizeof(align_test))
	#endif

	#define ZEND_ALIGNED_SIZE(size) \
	ZEND_MM_ALIGNED_SIZE_EX(size, PLATFORM_ALIGNMENT)

	/* exclusive locking */
	void zend_shared_alloc_lock(void);
	void zend_shared_alloc_unlock(void); /* returns the allocated size during lock..unlock */
	void zend_shared_alloc_safe_unlock(void);

	/* old/new mapping functions */
	void zend_shared_alloc_init_xlat_table(void);
	void zend_shared_alloc_destroy_xlat_table(void);
	void zend_shared_alloc_clear_xlat_table(void);
	uint32_t zend_shared_alloc_checkpoint_xlat_table(void);
	void zend_shared_alloc_restore_xlat_table(uint32_t checkpoint);
	void zend_shared_alloc_register_xlat_entry(const void key, const void value);
	void zend_shared_alloc_get_xlat_entry(const void key);

	size_t zend_shared_alloc_get_free_memory(void);
	void zend_shared_alloc_save_state(void);
	void zend_shared_alloc_restore_state(void);
	const char *zend_accel_get_shared_model(void);

	/**
	* Memory write protection
	*
	* @param protected true to protect shared memory (read-only), false
	* to unprotect shared memory (writable)
	*/
	void zend_accel_shared_protect(bool protected);

	#ifdef USE_MMAP
	extern const zend_shared_memory_handlers zend_alloc_mmap_handlers;
	#endif

	#ifdef USE_SHM
	extern const zend_shared_memory_handlers zend_alloc_shm_handlers;
	#endif

	#ifdef USE_SHM_OPEN
	extern const zend_shared_memory_handlers zend_alloc_posix_handlers;
	#endif

	#ifdef ZEND_WIN32
	extern const zend_shared_memory_handlers zend_alloc_win32_handlers;
	void zend_shared_alloc_create_lock(void);
	void zend_shared_alloc_lock_win32(void);
	void zend_shared_alloc_unlock_win32(void);
	#endif

	END_EXTERN_C()

	#endif /* ZEND_SHARED_ALLOC_H */