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Name	Size	Permission
Optimizer	[ DIR ]	drwxr-xr-x
zend.h	15.07 KB	-rw-r--r--
zend_API.h	97.82 KB	-rw-r--r--
zend_alloc.h	18.83 KB	-rw-r--r--
zend_alloc_sizes.h	2.57 KB	-rw-r--r--
zend_arena.h	5.92 KB	-rw-r--r--
zend_ast.h	12.7 KB	-rw-r--r--
zend_atomic.h	5.55 KB	-rw-r--r--
zend_attributes.h	5.39 KB	-rw-r--r--
zend_attributes_arginfo.h	10.5 KB	-rw-r--r--
zend_bitset.h	7.74 KB	-rw-r--r--
zend_build.h	1.59 KB	-rw-r--r--
zend_builtin_functions.h	1.48 KB	-rw-r--r--
zend_builtin_functions_arginfo...	13.85 KB	-rw-r--r--
zend_closures.h	2.24 KB	-rw-r--r--
zend_closures_arginfo.h	2.04 KB	-rw-r--r--
zend_compile.h	47.69 KB	-rw-r--r--
zend_config.h	32 B	-rw-r--r--
zend_config.w32.h	1.99 KB	-rw-r--r--
zend_constants.h	6.55 KB	-rw-r--r--
zend_constants_arginfo.h	1.32 KB	-rw-r--r--
zend_cpuinfo.h	7.38 KB	-rw-r--r--
zend_dtrace.h	2 KB	-rw-r--r--
zend_enum.h	2.77 KB	-rw-r--r--
zend_enum_arginfo.h	1.66 KB	-rw-r--r--
zend_errors.h	2.34 KB	-rw-r--r--
zend_exceptions.h	4.44 KB	-rw-r--r--
zend_exceptions_arginfo.h	17.34 KB	-rw-r--r--
zend_execute.h	20.01 KB	-rw-r--r--
zend_extensions.h	6.2 KB	-rw-r--r--
zend_fibers.h	4.85 KB	-rw-r--r--
zend_fibers_arginfo.h	3.49 KB	-rw-r--r--
zend_float.h	15.08 KB	-rw-r--r--
zend_gc.h	3.82 KB	-rw-r--r--
zend_gdb.h	1.39 KB	-rw-r--r--
zend_generators.h	7.24 KB	-rw-r--r--
zend_generators_arginfo.h	2.72 KB	-rw-r--r--
zend_globals.h	8.81 KB	-rw-r--r--
zend_globals_macros.h	2.74 KB	-rw-r--r--
zend_hash.h	49.64 KB	-rw-r--r--
zend_highlight.h	2.24 KB	-rw-r--r--
zend_inheritance.h	2.37 KB	-rw-r--r--
zend_ini.h	11.65 KB	-rw-r--r--
zend_ini_parser.h	3.43 KB	-rw-r--r--
zend_ini_scanner.h	1.84 KB	-rw-r--r--
zend_ini_scanner_defs.h	184 B	-rw-r--r--
zend_interfaces.h	4.02 KB	-rw-r--r--
zend_interfaces_arginfo.h	7.84 KB	-rw-r--r--
zend_istdiostream.h	1.5 KB	-rw-r--r--
zend_iterators.h	3.7 KB	-rw-r--r--
zend_language_parser.h	10.48 KB	-rw-r--r--
zend_language_scanner.h	2.97 KB	-rw-r--r--
zend_language_scanner_defs.h	264 B	-rw-r--r--
zend_list.h	3.39 KB	-rw-r--r--
zend_llist.h	3.91 KB	-rw-r--r--
zend_long.h	4.13 KB	-rw-r--r--
zend_map_ptr.h	2.94 KB	-rw-r--r--
zend_mmap.h	1.47 KB	-rw-r--r--
zend_modules.h	4.72 KB	-rw-r--r--
zend_multibyte.h	4.78 KB	-rw-r--r--
zend_multiply.h	9.97 KB	-rw-r--r--
zend_object_handlers.h	14.02 KB	-rw-r--r--
zend_objects.h	1.77 KB	-rw-r--r--
zend_objects_API.h	4.54 KB	-rw-r--r--
zend_observer.h	6.25 KB	-rw-r--r--
zend_operators.h	32.38 KB	-rw-r--r--
zend_portability.h	21.42 KB	-rw-r--r--
zend_ptr_stack.h	4.2 KB	-rw-r--r--
zend_range_check.h	2.93 KB	-rw-r--r--
zend_signal.h	3.98 KB	-rw-r--r--
zend_smart_str.h	6.76 KB	-rw-r--r--
zend_smart_str_public.h	1.13 KB	-rw-r--r--
zend_smart_string.h	4.11 KB	-rw-r--r--
zend_smart_string_public.h	1.21 KB	-rw-r--r--
zend_sort.h	1.5 KB	-rw-r--r--
zend_stack.h	2.3 KB	-rw-r--r--
zend_stream.h	3.53 KB	-rw-r--r--
zend_string.h	20.14 KB	-rw-r--r--
zend_strtod.h	2.1 KB	-rw-r--r--
zend_strtod_int.h	3.33 KB	-rw-r--r--
zend_system_id.h	1.37 KB	-rw-r--r--
zend_type_info.h	4.24 KB	-rw-r--r--
zend_types.h	46.47 KB	-rw-r--r--
zend_variables.h	2.99 KB	-rw-r--r--
zend_virtual_cwd.h	12.32 KB	-rw-r--r--
zend_vm.h	1.95 KB	-rw-r--r--
zend_vm_def.h	280.59 KB	-rw-r--r--
zend_vm_execute.h	2.02 MB	-rw-r--r--
zend_vm_handlers.h	89.36 KB	-rw-r--r--
zend_vm_opcodes.h	12.39 KB	-rw-r--r--
zend_vm_trace_handlers.h	3.14 KB	-rw-r--r--
zend_vm_trace_lines.h	1.71 KB	-rw-r--r--
zend_vm_trace_map.h	2.6 KB	-rw-r--r--
zend_weakrefs.h	2.74 KB	-rw-r--r--
zend_weakrefs_arginfo.h	3.4 KB	-rw-r--r--

Code Editor : zend_atomic.h

/*
   +----------------------------------------------------------------------+
   | 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: Levi Morrison <morrison.levi@gmail.com>                     |
   +----------------------------------------------------------------------+
 */

#ifndef ZEND_ATOMIC_H
#define ZEND_ATOMIC_H

#include "zend_portability.h"

#include <stdbool.h>

#define ZEND_GCC_PREREQ(x, y) \
	((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || (__GNUC__ > (x)))

/* Builtins are used to avoid library linkage */
#if __has_feature(c_atomic)
#define	HAVE_C11_ATOMICS 1
#elif ZEND_GCC_PREREQ(4, 7)
#define	HAVE_GNUC_ATOMICS 1
#elif defined(__GNUC__)
#define	HAVE_SYNC_ATOMICS 1
#elif !defined(ZEND_WIN32)
#define HAVE_NO_ATOMICS 1
#endif

#undef ZEND_GCC_PREREQ

/* Treat zend_atomic_* types as opaque. They have definitions only for size
 * and alignment purposes.
 */

#if defined(ZEND_WIN32) || defined(HAVE_SYNC_ATOMICS)
typedef struct zend_atomic_bool_s {
	volatile char value;
} zend_atomic_bool;
#elif defined(HAVE_C11_ATOMICS)
typedef struct zend_atomic_bool_s {
	_Atomic(bool) value;
} zend_atomic_bool;
#else
typedef struct zend_atomic_bool_s {
	volatile bool value;
} zend_atomic_bool;
#endif

BEGIN_EXTERN_C()

#ifdef ZEND_WIN32

#ifndef InterlockedExchange8
#define InterlockedExchange8 _InterlockedExchange8
#endif
#ifndef InterlockedOr8
#define InterlockedOr8 _InterlockedOr8
#endif

#define ZEND_ATOMIC_BOOL_INIT(obj, desired) ((obj)->value = (desired))

static zend_always_inline bool zend_atomic_bool_exchange_ex(zend_atomic_bool *obj, bool desired) {
	return InterlockedExchange8(&obj->value, desired);
}

/* On this platform it is non-const due to Iterlocked API*/
static zend_always_inline bool zend_atomic_bool_load_ex(zend_atomic_bool *obj) {
	/* Or'ing with false won't change the value. */
	return InterlockedOr8(&obj->value, false);
}

static zend_always_inline void zend_atomic_bool_store_ex(zend_atomic_bool *obj, bool desired) {
	(void)InterlockedExchange8(&obj->value, desired);
}

#elif defined(HAVE_C11_ATOMICS)

#define ZEND_ATOMIC_BOOL_INIT(obj, desired) __c11_atomic_init(&(obj)->value, (desired))

static zend_always_inline bool zend_atomic_bool_exchange_ex(zend_atomic_bool *obj, bool desired) {
	return __c11_atomic_exchange(&obj->value, desired, __ATOMIC_SEQ_CST);
}

static zend_always_inline bool zend_atomic_bool_load_ex(const zend_atomic_bool *obj) {
	return __c11_atomic_load(&obj->value, __ATOMIC_SEQ_CST);
}

static zend_always_inline void zend_atomic_bool_store_ex(zend_atomic_bool *obj, bool desired) {
	__c11_atomic_store(&obj->value, desired, __ATOMIC_SEQ_CST);
}

#elif defined(HAVE_GNUC_ATOMICS)

#define ZEND_ATOMIC_BOOL_INIT(obj, desired) ((obj)->value = (desired))

static zend_always_inline bool zend_atomic_bool_exchange_ex(zend_atomic_bool *obj, bool desired) {
	bool prev = false;
	__atomic_exchange(&obj->value, &desired, &prev, __ATOMIC_SEQ_CST);
	return prev;
}

static zend_always_inline bool zend_atomic_bool_load_ex(const zend_atomic_bool *obj) {
	bool prev = false;
	__atomic_load(&obj->value, &prev, __ATOMIC_SEQ_CST);
	return prev;
}

static zend_always_inline void zend_atomic_bool_store_ex(zend_atomic_bool *obj, bool desired) {
	__atomic_store(&obj->value, &desired, __ATOMIC_SEQ_CST);
}

#elif defined(HAVE_SYNC_ATOMICS)

#define ZEND_ATOMIC_BOOL_INIT(obj, desired) ((obj)->value = (desired))

static zend_always_inline bool zend_atomic_bool_exchange_ex(zend_atomic_bool *obj, bool desired) {
	bool prev = __sync_lock_test_and_set(&obj->value, desired);

/* __sync_lock_test_and_set only does an acquire barrier, so sync
	 * immediately after.
	 */
	__sync_synchronize();
	return prev;
}

static zend_always_inline bool zend_atomic_bool_load_ex(zend_atomic_bool *obj) {
	/* Or'ing false won't change the value */
	return __sync_fetch_and_or(&obj->value, false);
}

static zend_always_inline void zend_atomic_bool_store_ex(zend_atomic_bool *obj, bool desired) {
	__sync_synchronize();
	obj->value = desired;
	__sync_synchronize();
}

#elif defined(HAVE_NO_ATOMICS)

#warning No atomics support detected. Please open an issue with platform details.

#define ZEND_ATOMIC_BOOL_INIT(obj, desired) ((obj)->value = (desired))

static zend_always_inline void zend_atomic_bool_store_ex(zend_atomic_bool *obj, bool desired) {
	obj->value = desired;
}

static zend_always_inline bool zend_atomic_bool_load_ex(const zend_atomic_bool *obj) {
	return obj->value;
}

static zend_always_inline bool zend_atomic_bool_exchange_ex(zend_atomic_bool *obj, bool desired) {
	bool prev = obj->value;
	obj->value = desired;
	return prev;
}

#endif

ZEND_API void zend_atomic_bool_init(zend_atomic_bool *obj, bool desired);
ZEND_API bool zend_atomic_bool_exchange(zend_atomic_bool *obj, bool desired);
ZEND_API void zend_atomic_bool_store(zend_atomic_bool *obj, bool desired);

#if defined(ZEND_WIN32) || defined(HAVE_SYNC_ATOMICS)
/* On these platforms it is non-const due to underlying APIs. */
ZEND_API bool zend_atomic_bool_load(zend_atomic_bool *obj);
#else
ZEND_API bool zend_atomic_bool_load(const zend_atomic_bool *obj);
#endif

END_EXTERN_C()

#endif

${this.title}

Code Editor : zend_atomic.h