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Name	Size	Permission
swoole.h	24.83 KB	-rw-r--r--
swoole_api.h	3.43 KB	-rw-r--r--
swoole_asm_context.h	2.28 KB	-rw-r--r--
swoole_async.h	3.61 KB	-rw-r--r--
swoole_atomic.h	3.72 KB	-rw-r--r--
swoole_base64.h	1.29 KB	-rw-r--r--
swoole_buffer.h	2.23 KB	-rw-r--r--
swoole_c_api.h	2.08 KB	-rw-r--r--
swoole_channel.h	2.34 KB	-rw-r--r--
swoole_client.h	8.65 KB	-rw-r--r--
swoole_config.h	8.88 KB	-rw-r--r--
swoole_coroutine.h	9.97 KB	-rw-r--r--
swoole_coroutine_c_api.h	5.83 KB	-rw-r--r--
swoole_coroutine_channel.h	4.18 KB	-rw-r--r--
swoole_coroutine_context.h	2.75 KB	-rw-r--r--
swoole_coroutine_socket.h	18.78 KB	-rw-r--r--
swoole_coroutine_system.h	3.87 KB	-rw-r--r--
swoole_dtls.h	2.41 KB	-rw-r--r--
swoole_error.h	6.11 KB	-rw-r--r--
swoole_file.h	4.43 KB	-rw-r--r--
swoole_file_hook.h	3.84 KB	-rw-r--r--
swoole_hash.h	9.69 KB	-rw-r--r--
swoole_heap.h	1.79 KB	-rw-r--r--
swoole_http.h	6.99 KB	-rw-r--r--
swoole_http2.h	8.38 KB	-rw-r--r--
swoole_iouring.h	3.1 KB	-rw-r--r--
swoole_lock.h	3.39 KB	-rw-r--r--
swoole_log.h	15.34 KB	-rw-r--r--
swoole_lru_cache.h	3.17 KB	-rw-r--r--
swoole_memory.h	2.75 KB	-rw-r--r--
swoole_message_bus.h	6.02 KB	-rw-r--r--
swoole_mime_type.h	1.44 KB	-rw-r--r--
swoole_mqtt.h	2.18 KB	-rw-r--r--
swoole_msg_queue.h	1.92 KB	-rw-r--r--
swoole_pipe.h	2.64 KB	-rw-r--r--
swoole_process_pool.h	9.94 KB	-rw-r--r--
swoole_protocol.h	5.17 KB	-rw-r--r--
swoole_proxy.h	2.87 KB	-rw-r--r--
swoole_reactor.h	11.25 KB	-rw-r--r--
swoole_redis.h	2.09 KB	-rw-r--r--
swoole_server.h	43.94 KB	-rw-r--r--
swoole_signal.h	1.72 KB	-rw-r--r--
swoole_socket.h	19.04 KB	-rw-r--r--
swoole_socket_hook.h	2.23 KB	-rw-r--r--
swoole_ssl.h	4.94 KB	-rw-r--r--
swoole_static_handler.h	4.7 KB	-rw-r--r--
swoole_string.h	8.87 KB	-rw-r--r--
swoole_table.h	7.35 KB	-rw-r--r--
swoole_thread.h	2.23 KB	-rw-r--r--
swoole_timer.h	4.13 KB	-rw-r--r--
swoole_util.h	6.61 KB	-rw-r--r--
swoole_version.h	2.21 KB	-rw-r--r--
swoole_websocket.h	4.53 KB	-rw-r--r--
swoole_wheel_timer.h	2.48 KB	-rw-r--r--

Code Editor : swoole_atomic.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

typedef volatile int32_t sw_atomic_int32_t;
typedef volatile uint32_t sw_atomic_uint32_t;
typedef volatile int64_t sw_atomic_int64_t;
typedef volatile uint64_t sw_atomic_uint64_t;

typedef sw_atomic_int64_t sw_atomic_long_t;
typedef sw_atomic_uint64_t sw_atomic_ulong_t;
typedef sw_atomic_uint32_t sw_atomic_t;

#define sw_atomic_cmp_set(lock, old, set) __sync_bool_compare_and_swap(lock, old, set)
#define sw_atomic_value_cmp_set(value, expected, set) __sync_val_compare_and_swap(value, expected, set)
#define sw_atomic_fetch_add(value, add) __sync_fetch_and_add(value, add)
#define sw_atomic_fetch_sub(value, sub) __sync_fetch_and_sub(value, sub)
#define sw_atomic_memory_barrier() __sync_synchronize()
#define sw_atomic_add_fetch(value, add) __sync_add_and_fetch(value, add)
#define sw_atomic_sub_fetch(value, sub) __sync_sub_and_fetch(value, sub)

#if defined(__x86_64__)
#define sw_atomic_cpu_pause() __asm__ __volatile__("pause")
#elif defined(__aarch64__)
#define sw_atomic_cpu_pause() __asm__ __volatile__("yield")
#else
#define sw_atomic_cpu_pause()
#endif

#define sw_spinlock_release(lock) __sync_lock_release(lock)

#ifdef HAVE_FUTEX
#include <linux/futex.h>
#include <syscall.h>

static inline int sw_atomic_futex_wait(sw_atomic_t *atomic, double timeout) {
    if (sw_atomic_cmp_set(atomic, 1, 0)) {
        return 0;
    }

int ret;
    struct timespec _timeout;

if (timeout > 0) {
        _timeout.tv_sec = (long) timeout;
        _timeout.tv_nsec = (timeout - _timeout.tv_sec) * 1000 * 1000 * 1000;
        ret = syscall(SYS_futex, atomic, FUTEX_WAIT, 0, &_timeout, NULL, 0);
    } else {
        ret = syscall(SYS_futex, atomic, FUTEX_WAIT, 0, NULL, NULL, 0);
    }
    if (ret == 0 && sw_atomic_cmp_set(atomic, 1, 0)) {
        return 0;
    } else {
        return -1;
    }
}

static inline int sw_atomic_futex_wakeup(sw_atomic_t *atomic, int n) {
    if (sw_atomic_cmp_set(atomic, 0, 1)) {
        return syscall(SYS_futex, atomic, FUTEX_WAKE, n, NULL, NULL, 0);
    } else {
        return 0;
    }
}

#else
static inline int sw_atomic_futex_wait(sw_atomic_t *atomic, double timeout) {
    if (sw_atomic_cmp_set(atomic, (sw_atomic_t) 1, (sw_atomic_t) 0)) {
        return 0;
    }
    timeout = timeout <= 0 ? INT_MAX : timeout;
    int32_t i = (int32_t) sw_atomic_sub_fetch(atomic, 1);
    while (timeout > 0) {
        if ((int32_t) *atomic > i) {
            return 0;
        } else {
            usleep(1000);
            timeout -= 0.001;
        }
    }
    sw_atomic_fetch_add(atomic, 1);
    return -1;
}

static inline int sw_atomic_futex_wakeup(sw_atomic_t *atomic, int n) {
    if (1 == (int32_t) *atomic) {
        return 0;
    }
    sw_atomic_fetch_add(atomic, n);
    return 0;
}
#endif

${this.title}

Code Editor : swoole_atomic.h