text: /*
  * 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 <errno.h>
  #include <string.h>
  #include <stdlib.h>
  #include <queue>
  #include "co_routine.h"
  
  const char* CGI_ENV_HOOK_LIST [] = 
  {
  	"CGINAME",
  };
  struct stRoutineArgs_t
  {
  	int iRoutineID;
  };
  void SetAndGetEnv(int iRoutineID)
  {
  	printf("routineid %d begin\n", iRoutineID);
  
  	//use poll as sleep
  	poll(NULL, 0, 500);
  
  	char sBuf[128];
  	sprintf(sBuf, "cgi_routine_%d", iRoutineID);
  	int ret = setenv("CGINAME", sBuf, 1);
  	if (ret)
  	{
  		printf("%s:%d set env err ret %d errno %d %s\n", __func__, __LINE__,
  				ret, errno, strerror(errno));
  		return;
  	}
  	printf("routineid %d set env CGINAME %s\n", iRoutineID, sBuf);
  
  	poll(NULL, 0, 500);
  
  	char* env = getenv("CGINAME");
  	if (!env)
  	{
  		printf("%s:%d get env err errno %d %s\n", __func__, __LINE__,
  				errno, strerror(errno));
  		return;
  	}
  	printf("routineid %d get env CGINAME %s\n", iRoutineID, env);
  }
  
  void* RoutineFunc(void* args)
  {
  	co_enable_hook_sys();
  
  	stRoutineArgs_t* g = (stRoutineArgs_t*)args;
  
  	SetAndGetEnv(g->iRoutineID);
  	return NULL;
  }
  
  int main(int argc, char* argv[])
  {
  	co_set_env_list(CGI_ENV_HOOK_LIST, sizeof(CGI_ENV_HOOK_LIST) / sizeof(char*));
  	stRoutineArgs_t  args[3];
  	for (int i = 0; i < 3; i++)
  	{
  		stCoRoutine_t* co = NULL;
  		args[i].iRoutineID = i;
  		co_create(&co, NULL, RoutineFunc, &args[i]);
  		co_resume(co);
  	}
  	co_eventloop(co_get_epoll_ct(), NULL, NULL);
  	return 0;
  }
  
  