ACE_Guard<ACE_Thread_Mutex> guard(mutex);

#include "ace/Thread.h"
#include "ace/Synch.h"
#include <iostream>
#include "ace/Guard_T.h"

using namespace std;
ACE_Thread_Mutex mutex;

/*
void* Thread1(void *arg)
{
 mutex.acquire();
 ACE_OS::sleep(3);
 cout<<endl<<"hello thread1"<<endl;
 mutex.release();
return NULL;
}
*/

void* Thread1(void *arg)
{
    ACE_Guard<ACE_Thread_Mutex> guard(mutex);
//mutex.acquire();
    ACE_OS::sleep(3);
    cout<<endl<<"hello thread1"<<endl;
//mutex.release();
return NULL;
}

void* Thread2(void *arg)
{
 mutex.acquire();
 cout<<endl<<"hello thread2"<<endl;
 mutex.release();
return NULL;
}

int main(int argc, char *argv[])
{
 ACE_Thread::spawn((ACE_THR_FUNC)Thread1);
//Thread2 比Thread1晚创建1秒钟，故后尝试获取互斥体
 ACE_OS::sleep(1);
 ACE_Thread::spawn((ACE_THR_FUNC)Thread2);
while(true)
 ACE_OS::sleep(10);
return 0;
}