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swoole_lock.c
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swoole_lock.c
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache 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.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 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: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
PHP_METHOD(swoole_lock, __construct)
{
long type = SW_MUTEX;
char *filelock;
int filelock_len = 0;
int ret;
#ifdef ZTS
if (sw_thread_ctx == NULL)
{
TSRMLS_SET_CTX(sw_thread_ctx);
}
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ls", &type, &filelock, &filelock_len) == FAILURE)
{
RETURN_FALSE;
}
swLock *lock = SwooleG.memory_pool->alloc(SwooleG.memory_pool, sizeof(swLock));
if (lock == NULL)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "alloc failed.");
RETURN_FALSE;
}
switch(type)
{
case SW_RWLOCK:
ret = swRWLock_create(lock, 1);
break;
case SW_FILELOCK:
if (filelock_len <= 0)
{
php_error_docref(NULL TSRMLS_CC, E_ERROR, "filelock require lock file name.");
RETURN_FALSE;
}
int fd;
if ((fd = open(filelock, O_RDWR | O_CREAT, 0666)) < 0)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "open file[%s] failed. Error: %s [%d]", filelock, strerror(errno), errno);
RETURN_FALSE;
}
ret = swFileLock_create(lock, fd);
break;
case SW_SEM:
ret = swSem_create(lock, IPC_PRIVATE, 1);
break;
#ifdef HAVE_SPINLOCK
case SW_SPINLOCK:
ret = swSpinLock_create(lock, 1);
break;
#endif
case SW_MUTEX:
default:
ret = swMutex_create(lock, 1);
break;
}
if (ret < 0)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "create lock failed");
RETURN_FALSE;
}
zval *zres;
MAKE_STD_ZVAL(zres);
ZEND_REGISTER_RESOURCE(zres, lock, le_swoole_lock);
zend_update_property(swoole_lock_class_entry_ptr, getThis(), ZEND_STRL("_lock"), zres TSRMLS_CC);
zval_ptr_dtor(&zres);
RETURN_TRUE;
}
void swoole_destory_lock(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
swLock *lock = (swLock *) rsrc->ptr;
lock->free(lock);
}
PHP_METHOD(swoole_lock, lock)
{
zval **zres;
swLock *lock;
if (zend_hash_find(Z_OBJPROP_P(getThis()), SW_STRL("_lock"), (void **) &zres) == SUCCESS)
{
ZEND_FETCH_RESOURCE(lock, swLock*, zres, -1, SW_RES_CLIENT_NAME, le_swoole_lock);
}
else
{
RETURN_FALSE;
}
SW_LOCK_CHECK_RETURN(lock->lock(lock));
}
PHP_METHOD(swoole_lock, unlock)
{
zval **zres;
swLock *lock;
if (zend_hash_find(Z_OBJPROP_P(getThis()), SW_STRL("_lock"), (void **) &zres) == SUCCESS)
{
ZEND_FETCH_RESOURCE(lock, swLock*, zres, -1, SW_RES_CLIENT_NAME, le_swoole_lock);
}
else
{
RETURN_FALSE;
}
SW_LOCK_CHECK_RETURN(lock->unlock(lock));
}
PHP_METHOD(swoole_lock, trylock)
{
zval **zres;
swLock *lock;
if (zend_hash_find(Z_OBJPROP_P(getThis()), SW_STRL("_lock"), (void **) &zres) == SUCCESS)
{
ZEND_FETCH_RESOURCE(lock, swLock*, zres, -1, SW_RES_CLIENT_NAME, le_swoole_lock);
}
else
{
RETURN_FALSE;
}
if (lock->trylock == NULL)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "lock[type=%d] can not trylock", lock->type);
RETURN_FALSE;
}
SW_LOCK_CHECK_RETURN(lock->trylock(lock));
}
PHP_METHOD(swoole_lock, trylock_read)
{
zval **zres;
swLock *lock;
if (zend_hash_find(Z_OBJPROP_P(getThis()), SW_STRL("_lock"), (void **) &zres) == SUCCESS)
{
ZEND_FETCH_RESOURCE(lock, swLock*, zres, -1, SW_RES_CLIENT_NAME, le_swoole_lock);
}
else
{
RETURN_FALSE;
}
if(lock->trylock_rd == NULL)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "lock[type=%d] can not trylock_read", lock->type);
RETURN_FALSE;
}
SW_LOCK_CHECK_RETURN(lock->trylock(lock));
}
PHP_METHOD(swoole_lock, lock_read)
{
zval **zres;
swLock *lock;
if (zend_hash_find(Z_OBJPROP_P(getThis()), SW_STRL("_lock"), (void **) &zres) == SUCCESS)
{
ZEND_FETCH_RESOURCE(lock, swLock*, zres, -1, SW_RES_CLIENT_NAME, le_swoole_lock);
}
else
{
RETURN_FALSE;
}
if (lock->lock_rd == NULL)
{
php_error_docref(NULL TSRMLS_CC, E_WARNING, "lock[type=%d] can not lock_read", lock->type);
RETURN_FALSE;
}
SW_LOCK_CHECK_RETURN(lock->trylock(lock));
}