学步园

//author:DriverMonkey
//date:1/24/2013
//copyright: no copyright
//mail:bookworepeng@hotmail.com
//enviromen:Ubuntu

#include <iostream>
#include <setjmp.h>

using namespace std;

static jmp_buf jmpbuffer;

static void catch_exception(void);
static void raise_exception_1(void);
static void raise_exception_2(void);

int main(int argc, char *argv[])
{
	cout<<"main()++"<<endl;

	catch_exception();
	raise_exception_1();
	raise_exception_2();
	cout<<"main()--"<<endl;
	
	return 0;
}

static void catch_exception(void)
{
	cout<<"catch_exception()++"<<endl;
	
	setjmp(jmpbuffer);
	
	cout<<"catch_exception()--"<<endl;	
}
static void raise_exception_1(void)
{
	cout<<"raise_exception_1()++"<<endl;

	longjmp(jmpbuffer, 1);
	
	cout<<"raise_exception_1()--"<<endl;	
}

static void raise_exception_2(void)
{
	cout<<"raise_exception_2()++"<<endl;

	longjmp(jmpbuffer, 2);
	
	cout<<"raise_exception_2()--"<<endl;	
}

Terminal Output:

main()++
catch_exception()++
catch_exception()--
raise_exception_1()++
catch_exception()--
raise_exception_2()++
catch_exception()--
main()--