chapter2-31.cpp

来自「大量程序实例」· C++ 代码 · 共 18 行

//文件名：CHAPTER2-31.cpp
#include <setjmp.h>
#include <stdio.h>
jmp_buf j;
void raise_exception(void)
{
	printf("exception raised\n");
	longjmp(j, 1); /* jump to exception handler */
	printf("this line should never appear\n");
} 
int main(void)
{
	if (setjmp(j) == 0){  printf("'setjmp' is initializing 'j'\n");	raise_exception();//Restore context
		printf("this line should never appear\n");	}
	else	{   printf("'setjmp' was just jumped into\n");	/* this code is the exception handler */	}
	return 0;
}