Function SetAndGetEnv

example_setenv.cpp:35–63

	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)
{