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331 lines (254 loc) · 9.6 KB
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/*
+----------------------------------------------------------------------+
| parallel |
+----------------------------------------------------------------------+
| Copyright (c) Joe Watkins 2019-2022 |
+----------------------------------------------------------------------+
| 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: |
| http://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. |
+----------------------------------------------------------------------+
| Author: krakjoe |
+----------------------------------------------------------------------+
*/
#ifndef HAVE_PARALLEL_SYNC
#define HAVE_PARALLEL_SYNC
#include "parallel.h"
zend_class_entry *php_parallel_sync_ce;
zend_object_handlers php_parallel_sync_handlers;
static zend_string *php_parallel_sync_string_value;
#define PARALLEL_SYNC_IS_SCALAR(zv) \
((Z_TYPE_P(zv) != IS_OBJECT) && \
(Z_TYPE_P(zv) != IS_ARRAY) && \
(Z_TYPE_P(zv) != IS_RESOURCE))
static zend_always_inline php_parallel_sync_t* php_parallel_sync_fetch(zend_object *o) {
php_parallel_sync_object_t *object =
php_parallel_sync_object_fetch(o);
return object->sync;
}
static zend_always_inline php_parallel_sync_t* php_parallel_sync_from(zval *z) {
php_parallel_sync_object_t *object =
php_parallel_sync_object_from(z);
return object->sync;
}
static zend_always_inline php_parallel_sync_t* php_parallel_sync_create(zval *zv) {
php_parallel_sync_t *sync =
(php_parallel_sync_t*) pecalloc(1, sizeof(php_parallel_sync_t), 1);
php_parallel_mutex_init(&sync->mutex, 1);
php_parallel_cond_init(&sync->condition);
if (zv) {
PARALLEL_ZVAL_COPY(
&sync->value, zv, 1);
}
sync->refcount = 1;
return sync;
}
php_parallel_sync_t* php_parallel_sync_copy(php_parallel_sync_t *sync) {
php_parallel_atomic_addref(&sync->refcount);
return sync;
}
void php_parallel_sync_release(php_parallel_sync_t *sync) {
if (!sync) {
return;
}
if (php_parallel_atomic_delref(&sync->refcount) == 0) {
if (Z_TYPE(sync->value) == IS_STRING) {
PARALLEL_ZVAL_DTOR(&sync->value);
}
php_parallel_mutex_destroy(&sync->mutex);
php_parallel_cond_destroy(&sync->condition);
pefree(sync, 1);
}
}
static zend_object* php_parallel_sync_object_create(zend_class_entry *ce) {
php_parallel_sync_object_t *object =
(php_parallel_sync_object_t*)
ecalloc(1, sizeof(php_parallel_sync_object_t) + zend_object_properties_size(ce));
zend_object_std_init(&object->std, ce);
object->std.handlers = &php_parallel_sync_handlers;
return &object->std;
}
static void php_parallel_sync_object_destroy(zend_object *o) {
php_parallel_sync_object_t *object =
php_parallel_sync_object_fetch(o);
php_parallel_sync_release(object->sync);
zend_object_std_dtor(o);
}
static HashTable* php_parallel_sync_object_debug(zend_object *o, int *temp) {
php_parallel_sync_object_t *object =
php_parallel_sync_object_fetch(o);
HashTable *debug;
zval zv;
*temp = 1;
pthread_mutex_lock(&object->sync->mutex);
ALLOC_HASHTABLE(debug);
zend_hash_init(debug, 1, NULL, ZVAL_PTR_DTOR, 0);
if (!Z_ISUNDEF(object->sync->value)) {
PARALLEL_ZVAL_COPY(
&zv, &object->sync->value, 0);
zend_hash_add(debug, php_parallel_sync_string_value, &zv);
}
pthread_mutex_unlock(&object->sync->mutex);
return debug;
}
ZEND_BEGIN_ARG_INFO_EX(php_parallel_sync_construct_arginfo, 0, 0, 0)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, __construct)
{
php_parallel_sync_object_t *object = php_parallel_sync_object_from(getThis());
zval *value = NULL;
if (ZEND_NUM_ARGS()) {
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_ZVAL(value)
ZEND_PARSE_PARAMETERS_END();
}
if (value) {
if (!PARALLEL_SYNC_IS_SCALAR(value)) {
php_parallel_exception_ex(
php_parallel_sync_error_illegal_value_ce,
"sync cannot contain non-scalar %s",
Z_TYPE_P(value) == IS_OBJECT ?
ZSTR_VAL(Z_OBJCE_P(value)->name) :
zend_get_type_by_const(Z_TYPE_P(value)));
return;
}
}
object->sync = php_parallel_sync_create(value);
}
ZEND_BEGIN_ARG_INFO_EX(php_parallel_sync_set_arginfo, 0, 0, 1)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, set)
{
php_parallel_sync_object_t *object =
php_parallel_sync_object_from(getThis());
zval *value;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ZVAL(value)
ZEND_PARSE_PARAMETERS_END();
if (!PARALLEL_SYNC_IS_SCALAR(value)) {
php_parallel_exception_ex(
php_parallel_sync_error_illegal_value_ce,
"sync cannot contain non-scalar %s",
Z_TYPE_P(value) == IS_OBJECT ?
ZSTR_VAL(Z_OBJCE_P(value)->name) :
zend_get_type_by_const(Z_TYPE_P(value)));
return;
}
pthread_mutex_lock(&object->sync->mutex);
if (Z_TYPE(object->sync->value) == IS_STRING) {
PARALLEL_ZVAL_DTOR(&object->sync->value);
}
PARALLEL_ZVAL_COPY(
&object->sync->value, value, 1);
pthread_mutex_unlock(&object->sync->mutex);
}
ZEND_BEGIN_ARG_INFO_EX(php_parallel_sync_get_arginfo, 0, 0, 0)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, get)
{
php_parallel_sync_object_t *object =
php_parallel_sync_object_from(getThis());
pthread_mutex_lock(&object->sync->mutex);
if (Z_TYPE(object->sync->value) != IS_UNDEF) {
PARALLEL_ZVAL_COPY(
return_value, &object->sync->value, 0);
}
pthread_mutex_unlock(&object->sync->mutex);
}
ZEND_BEGIN_ARG_INFO_EX(php_parallel_sync_invoke_arginfo, 0, 0, 1)
ZEND_ARG_TYPE_INFO(0, block, IS_CALLABLE, 0)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, __invoke)
{
php_parallel_sync_object_t *object = php_parallel_sync_object_from(getThis());
zend_fcall_info fci;
zend_fcall_info_cache fcc;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_FUNC(fci, fcc)
ZEND_PARSE_PARAMETERS_END();
pthread_mutex_lock(&object->sync->mutex);
fci.retval = return_value;
zend_try {
zend_call_function(&fci, &fcc);
} zend_end_try();
pthread_mutex_unlock(&object->sync->mutex);
}
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_parallel_sync_wait_arginfo, 0, 0, _IS_BOOL, 0)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, wait)
{
php_parallel_sync_object_t *object =
php_parallel_sync_object_from(getThis());
switch (pthread_cond_wait(&object->sync->condition, &object->sync->mutex)) {
case SUCCESS:
RETURN_TRUE;
/* LCOV_EXCL_START */
default:
RETURN_FALSE;
/* LCOV_EXCL_STOP */
}
}
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_parallel_sync_notify_arginfo, 0, 0, _IS_BOOL, 0)
ZEND_ARG_TYPE_INFO(0, all, _IS_BOOL, 0)
ZEND_END_ARG_INFO()
PHP_METHOD(Sync, notify)
{
php_parallel_sync_object_t *object =
php_parallel_sync_object_from(getThis());
zend_bool all = 0;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL(all)
ZEND_PARSE_PARAMETERS_END();
switch (all ?
pthread_cond_broadcast(&object->sync->condition) :
pthread_cond_signal(&object->sync->condition)) {
case SUCCESS:
RETURN_TRUE;
/* LCOV_EXCL_START */
default:
RETURN_FALSE;
/* LCOV_EXCL_STOP */
}
}
static zend_function_entry php_parallel_sync_methods[] = {
PHP_ME(Sync, __construct, php_parallel_sync_construct_arginfo, ZEND_ACC_PUBLIC)
PHP_ME(Sync, set, php_parallel_sync_set_arginfo, ZEND_ACC_PUBLIC)
PHP_ME(Sync, get, php_parallel_sync_get_arginfo, ZEND_ACC_PUBLIC)
PHP_ME(Sync, wait, php_parallel_sync_wait_arginfo, ZEND_ACC_PUBLIC)
PHP_ME(Sync, notify, php_parallel_sync_notify_arginfo, ZEND_ACC_PUBLIC)
PHP_ME(Sync, __invoke, php_parallel_sync_invoke_arginfo, ZEND_ACC_PUBLIC)
PHP_FE_END
};
PHP_MINIT_FUNCTION(PARALLEL_SYNC)
{
zend_class_entry ce;
memcpy(&php_parallel_sync_handlers, php_parallel_standard_handlers(), sizeof(zend_object_handlers));
php_parallel_sync_handlers.offset = XtOffsetOf(php_parallel_sync_object_t, std);
php_parallel_sync_handlers.free_obj = php_parallel_sync_object_destroy;
php_parallel_sync_handlers.get_debug_info = php_parallel_sync_object_debug;
INIT_NS_CLASS_ENTRY(ce, "parallel", "Sync", php_parallel_sync_methods);
php_parallel_sync_ce = zend_register_internal_class(&ce);
php_parallel_sync_ce->create_object = php_parallel_sync_object_create;
php_parallel_sync_ce->ce_flags |= ZEND_ACC_FINAL;
#ifdef ZEND_ACC_NOT_SERIALIZABLE
php_parallel_sync_ce->ce_flags |= ZEND_ACC_NOT_SERIALIZABLE;
#else
php_parallel_sync_ce->serialize = zend_class_serialize_deny;
php_parallel_sync_ce->unserialize = zend_class_unserialize_deny;
#endif
php_parallel_sync_string_value = zend_string_init_interned(ZEND_STRL("value"), 1);
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(PARALLEL_SYNC)
{
return SUCCESS;
}
#endif
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