int main()
{
int a = 10;
int b = 20;
swap(&a,&b);
char choice;
pid=0;
free_block = init_free_block(mem_size); //初始化空闲区
for(;;)
{
display_menu(); //显示菜单
fflush(stdin);
choice=getchar(); //获取用户输入
switch(choice)
{
case '1': set_mem_size(); break; //设置内存大小
case '2': set_algorithm();flag=1; break; //设置分配算法
case '3': new_process(); flag=1; break; //创建新进程
case '4': kill_process();flag=1; break; //删除进程
case '5': display_mem_usage(); flag=1; break; //显示内存使用
case '0': do_exit(); exit(0); //释放链表并退出
default: break;
}
getchar();
}
}
main(){
char choice; pid=0;
struct free_block_type * pre,* fbt;
int addr=DEFAULT_MEM_START;
printf("初始化可用表长度(>1)：\n");
scanf("%d",&block_num);
free_block = init_free_block(mem_size); //初始化空闲区
pre=free_block;
block_num--;
set_mem_size(pre);
fbt=free_block;
while(block_num>0){
addr=pre->size+pre->start_addr;
pre = init_free_block(mem_size); //初始化空闲区
pre->start_addr=addr;
set_mem_size(pre);
fbt->next=pre;
fbt=pre;
block_num--;
}
while(1) {
display_menu(); //显示菜单
fflush(stdin);
choice=getchar(); //获取用户输入
switch(choice){
case '1':// set_mem_size(); break;
case '2': set_algorithm();flag=1; break;
case '3': new_process(); flag=1; break;
case '4': kill_process(); flag=1; break;
case '5': display_mem_usage();
flag=1; break;
case '0':do_exit();exit(0);
default: break;
}
}
}
