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Name	Size	Permission
swoole.h	26.96 KB	-rw-r--r--
swoole_api.h	2.02 KB	-rw-r--r--
swoole_asm_context.h	2.31 KB	-rw-r--r--
swoole_async.h	3.29 KB	-rw-r--r--
swoole_atomic.h	2.3 KB	-rw-r--r--
swoole_base64.h	1.3 KB	-rw-r--r--
swoole_buffer.h	2.24 KB	-rw-r--r--
swoole_channel.h	2.37 KB	-rw-r--r--
swoole_client.h	11.75 KB	-rw-r--r--
swoole_config.h	8.79 KB	-rw-r--r--
swoole_coroutine.h	8.92 KB	-rw-r--r--
swoole_coroutine_api.h	5.12 KB	-rw-r--r--
swoole_coroutine_channel.h	4.17 KB	-rw-r--r--
swoole_coroutine_context.h	2.75 KB	-rw-r--r--
swoole_coroutine_socket.h	17.64 KB	-rw-r--r--
swoole_coroutine_system.h	3.78 KB	-rw-r--r--
swoole_dtls.h	2.42 KB	-rw-r--r--
swoole_error.h	6.46 KB	-rw-r--r--
swoole_file.h	4.88 KB	-rw-r--r--
swoole_file_hook.h	2.76 KB	-rw-r--r--
swoole_hash.h	1.24 KB	-rw-r--r--
swoole_heap.h	1.9 KB	-rw-r--r--
swoole_http.h	7.24 KB	-rw-r--r--
swoole_http2.h	8.55 KB	-rw-r--r--
swoole_iouring.h	5.52 KB	-rw-r--r--
swoole_llhttp.h	2.02 KB	-rw-r--r--
swoole_lock.h	3.25 KB	-rw-r--r--
swoole_log.h	15.71 KB	-rw-r--r--
swoole_lru_cache.h	3.18 KB	-rw-r--r--
swoole_memory.h	2.83 KB	-rw-r--r--
swoole_message_bus.h	5.18 KB	-rw-r--r--
swoole_mime_type.h	1.42 KB	-rw-r--r--
swoole_mqtt.h	2.16 KB	-rw-r--r--
swoole_msg_queue.h	1.96 KB	-rw-r--r--
swoole_pipe.h	2.6 KB	-rw-r--r--
swoole_process_pool.h	13.17 KB	-rw-r--r--
swoole_protocol.h	5.03 KB	-rw-r--r--
swoole_proxy.h	3.3 KB	-rw-r--r--
swoole_reactor.h	12.4 KB	-rw-r--r--
swoole_redis.h	1.83 KB	-rw-r--r--
swoole_server.h	49.72 KB	-rw-r--r--
swoole_signal.h	2.99 KB	-rw-r--r--
swoole_socket.h	18.51 KB	-rw-r--r--
swoole_socket_hook.h	2.31 KB	-rw-r--r--
swoole_socket_impl.h	1.43 KB	-rw-r--r--
swoole_ssl.h	5.22 KB	-rw-r--r--
swoole_static_handler.h	5.21 KB	-rw-r--r--
swoole_string.h	7.32 KB	-rw-r--r--
swoole_table.h	6.5 KB	-rw-r--r--
swoole_thread.h	1.99 KB	-rw-r--r--
swoole_timer.h	4.37 KB	-rw-r--r--
swoole_uring_socket.h	3.84 KB	-rw-r--r--
swoole_util.h	7.49 KB	-rw-r--r--
swoole_version.h	1.74 KB	-rw-r--r--
swoole_websocket.h	5.11 KB	-rw-r--r--

Code Editor : 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_memory.h"

#include <sys/file.h>
#include <system_error>

namespace swoole {

class Lock {
  public:
    enum Type {
        RW_LOCK = 1,
        MUTEX = 3,
        SPIN_LOCK = 5,
        COROUTINE_LOCK = 6,
    };
    Type get_type() const {
        return type_;
    }
    virtual ~Lock() = default;
    virtual int lock(int operation = LOCK_EX, int timeout_msec = -1) = 0;
    virtual int unlock() = 0;

protected:
    Lock(Type type, bool shared) {
        type_ = type;
        shared_ = shared;
    }
    Type type_;
    bool shared_;
};

struct MutexImpl;

class Mutex final : public Lock {
    MutexImpl *impl;

public:
    explicit Mutex(bool shared);
    ~Mutex() override;
    int lock(int operation = LOCK_EX, int timeout_msec = -1) override;
    int unlock() override;
};

#ifdef HAVE_RWLOCK
struct RWLockImpl;

class RWLock final : public Lock {
    RWLockImpl *impl;

public:
    explicit RWLock(bool shared);
    ~RWLock() override;
    int lock(int operation = LOCK_EX, int timeout_msec = -1) override;
    int unlock() override;
    int lock_rd() {
    	return lock(LOCK_SH);
    }
    int lock_wr() {
    	return lock(LOCK_EX);
    }
};
#endif

#ifdef HAVE_SPINLOCK
class SpinLock final : public Lock {
    pthread_spinlock_t *impl;

public:
    explicit SpinLock(bool shared);
    ~SpinLock() override;
    int lock(int operation = LOCK_EX, int timeout_msec = -1) override;
    int unlock() override;
};
#endif

class CoroutineLock final : public Lock {
    long cid = 0;
    sw_atomic_t *value = nullptr;
    void *coroutine = nullptr;

int lock_impl(bool blocking = true);

public:
    explicit CoroutineLock(bool shared);
    ~CoroutineLock() override;
    int lock(int operation = LOCK_EX, int timeout_msec = -1) override;
    int unlock() override;
};

#if defined(HAVE_PTHREAD_BARRIER) && !(defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__))
#define SW_USE_PTHREAD_BARRIER
#endif

struct Barrier {
#ifdef SW_USE_PTHREAD_BARRIER
    pthread_barrier_t barrier_;
    pthread_barrierattr_t barrier_attr_;
    bool shared_;
#else
    sw_atomic_t count_;
    sw_atomic_t barrier_;
#endif
    void init(bool shared, int count);
    void wait();
    void destroy();
};

}  // namespace swoole

${this.title}

Code Editor : swoole_lock.h