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Direktori : /opt/alt/php82/usr/include/php/ext/swoole/include/ |
Current File : //opt/alt/php82/usr/include/php/ext/swoole/include/swoole_lock.h |
/* +----------------------------------------------------------------------+ | 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@swoole.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Tianfeng Han <rango@swoole.com> | | Twosee <twose@qq.com> | +----------------------------------------------------------------------+ */ #pragma once #include "swoole.h" #include "swoole_memory.h" #include <system_error> namespace swoole { class Lock { public: enum Type { NONE, RW_LOCK = 1, FILE_LOCK = 2, MUTEX = 3, SEM = 4, SPIN_LOCK = 5, ATOMIC_LOCK = 6, }; Type get_type() { return type_; } virtual ~Lock(){}; virtual int lock_rd() = 0; virtual int lock() = 0; virtual int unlock() = 0; virtual int trylock_rd() = 0; virtual int trylock() = 0; protected: Lock() { type_ = NONE; shared_ = false; } enum Type type_; bool shared_; }; struct MutexImpl; class Mutex : public Lock { MutexImpl *impl; int flags_; public: enum Flag { PROCESS_SHARED = 1, ROBUST = 2, }; Mutex(int flags); ~Mutex(); int lock_rd() override; int lock() override; int unlock() override; int trylock_rd() override; int trylock() override; int lock_wait(int timeout_msec); }; #ifdef HAVE_RWLOCK struct RWLockImpl; class RWLock : public Lock { RWLockImpl *impl; public: RWLock(int use_in_process); ~RWLock(); int lock_rd() override; int lock() override; int unlock() override; int trylock_rd() override; int trylock() override; }; #endif #ifdef HAVE_SPINLOCK class SpinLock : public Lock { pthread_spinlock_t *impl; public: SpinLock(int use_in_process); ~SpinLock(); int lock_rd() override; int lock() override; int unlock() override; int trylock_rd() override; int trylock() override; }; #endif } // namespace swoole