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https://gitee.com/acl-dev/acl.git
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9697f95b8f
This reverts commit 15d999759e
.
129 lines
2.1 KiB
C++
129 lines
2.1 KiB
C++
#pragma once
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#include "../acl_cpp_define.hpp"
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#include "noncopyable.hpp"
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struct ACL_AQUEUE;
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namespace acl
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{
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class ACL_CPP_API thread_qitem : public noncopyable
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{
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public:
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thread_qitem() {}
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virtual ~thread_qitem() {}
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};
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class ACL_CPP_API thread_queue : public noncopyable
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{
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public:
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thread_queue();
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~thread_queue();
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bool push(thread_qitem* item);
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thread_qitem* pop(int wait_ms = -1);
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int qlen() const;
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private:
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ACL_AQUEUE* queue_;
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};
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//////////////////////////////////////////////////////////////////////////////
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#if 0
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// internal functions being used
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void* tbox_create(void);
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void tbox_free(void*, void (*free_fn)(void*));
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bool tbox_push(void*, void*);
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void* tbox_pop(void*, int);
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size_t tbox_size(void*);
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/**
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* 用于线程之间的消息通信,通过线程条件变量及线程锁实现
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*
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* 示例:
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*
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* class myobj
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* {
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* public:
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* myobj(void) {}
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* ~myobj(void) {}
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*
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* void test(void) { printf("hello world\r\n"); }
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* };
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*
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* acl::tbox<myobj> tbox;
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*
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* void thread_producer(void)
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* {
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* myobj* o = new myobj;
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* tbox.push(o);
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* }
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*
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* void thread_consumer(void)
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* {
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* myobj* o = tbox.pop();
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* o->test();
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* delete o;
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* }
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*/
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template<typename T>
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class tbox : noncopyable
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{
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public:
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tbox(void)
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{
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tbox_ = tbox_create();
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}
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~tbox(void)
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{
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tbox_free(tbox_, tbox_free_fn);
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}
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/**
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* 发送消息对象
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* @param t {T*} 非空消息对象
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* @return {bool} 发送是否成功
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*/
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bool push(T* t)
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{
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return tbox_push(tbox_, t);
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}
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/**
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* 接收消息对象
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* @param wait_ms {int} >= 0 时设置读等待超时时间(毫秒级别),否则
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* 永远等待直到读到消息对象或出错
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* @return {T*} 非 NULL 表示获得一个消息对象
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*/
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T* pop(int wait_ms = -1)
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{
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return (T*) tbox_pop(tbox_, wait_ms);
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}
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/**
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* 返回当前存在于消息队列中的消息数量
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* @return {size_t}
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*/
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size_t size(void) const
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{
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return tbox_size(tbox_);
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}
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private:
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void* tbox_;
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static void tbox_free_fn(void* o)
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{
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T* t = (T*) o;
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delete t;
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}
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};
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#endif
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} // namespace acl
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