use libco instead of state-thread(st), still have some bug

trunk/3rdparty/libco/example_cond.cpp

@@ -0,0 +1,83 @@
+/*
+* Tencent is pleased to support the open source community by making Libco available.
+
+* Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); 
+* you may not use this file except in compliance with the License. 
+* You may obtain a copy of the License at
+*
+*	http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, 
+* software distributed under the License is distributed on an "AS IS" BASIS, 
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+* See the License for the specific language governing permissions and 
+* limitations under the License.
+*/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <queue>
+#include "co_routine.h"
+using namespace std;
+struct stTask_t
+{
+	int id;
+};
+struct stEnv_t
+{
+	stCoCond_t* cond;
+	queue<stTask_t*> task_queue;
+};
+void* Producer(void* args)
+{
+	co_enable_hook_sys();
+	stEnv_t* env=  (stEnv_t*)args;
+	int id = 0;
+	while (true)
+	{
+		stTask_t* task = (stTask_t*)calloc(1, sizeof(stTask_t));
+		task->id = id++;
+		env->task_queue.push(task);
+		printf("%s:%d produce task %d\n", __func__, __LINE__, task->id);
+		co_cond_signal(env->cond);
+		poll(NULL, 0, 1000);
+	}
+	return NULL;
+}
+void* Consumer(void* args)
+{
+	co_enable_hook_sys();
+	stEnv_t* env = (stEnv_t*)args;
+	while (true)
+	{
+		if (env->task_queue.empty())
+		{
+			co_cond_timedwait(env->cond, -1);
+			continue;
+		}
+		stTask_t* task = env->task_queue.front();
+		env->task_queue.pop();
+		printf("%s:%d consume task %d\n", __func__, __LINE__, task->id);
+		free(task);
+	}
+	return NULL;
+}
+int main()
+{
+	stEnv_t* env = new stEnv_t;
+	env->cond = co_cond_alloc();
+
+	stCoRoutine_t* consumer_routine;
+	co_create(&consumer_routine, NULL, Consumer, env);
+	co_resume(consumer_routine);
+
+	stCoRoutine_t* producer_routine;
+	co_create(&producer_routine, NULL, Producer, env);
+	co_resume(producer_routine);
+	
+	co_eventloop(co_get_epoll_ct(), NULL, NULL);
+	return 0;
+}