?? read.cpp
字號:
#include "prwlock.h"#include <fcntl.h>#include <iostream> using namespace std; int main(){ int fd = open("for_rwlock",O_RDONLY | O_CREAT,0644); cout<<"before enter reed lock\n"; if(Prwlock::rlock(fd)<0) { cout<<"rlock error\n"; return -1; } cout<<"*** enter read lock ***\n"; sleep(3); Prwlock::unlock(fd); cout<<"leave read lock\n"; close(fd);}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -