C 语言中文开发手册 ONCE_FLAG_INIT (Thread support) - C 中文开发手册 在头文件<threads.h>中定义 void call_once(once_flag * flag,void(* func)(void)); (1) (自C11以来) typedef / *未指定* / once_flag (2) (自C11以来) #define ONCE_FLAG_INIT / *未指定* / (3) (自C11以来...
1xxx.h2---34#include <iostream>5#include <mutex>6#include <thread>7#include <chrono>89//! [0] C风格:面向过程的双重检查锁10//share data11structShare_Data{12intsd_i;13doublesd_d;14charsd_c;1516std::mutex prt_mtx;17voidprintVal(){1819std::lock_guard<std::mutex>lkgd(prt_mtx);20...
7.26.1 / 3 ONCE_FLAG_INIT(p:376) 扩展内容 | call_once的C ++文档 | |:---| 本文档系腾讯云开发者社区成员共同维护,如有问题请联系cloudcommunity@tencent.com 最后更新于:2017-12-18 分享 扫描二维码 扫码关注腾讯云开发者 领取腾讯云代金券
ONCE_FLAG_INIT (Thread support) - C 中文开发手册 在头文件<threads.h>中定义void call_once(once_flag * flag,void(* func)(void));(1)(自C11以来)typedef / *未指定* / once_flag(2)(自C11以来)#define ONCE_FLAG_INIT / *未指定* /(3)(自C11以来) 1)即使从多个线程调用,也只调用...
<c |thread Defined in header<threads.h> voidcall_once(once_flag*flag,void(*func)(void)); (1)(since C11) typedef/* unspecified */once_flag (2)(since C11) #define ONCE_FLAG_INIT /* unspecified */ (3)(since C11) 1)Calls functionfuncexactly once, even if invoked from several th...
called once 参考 C11标准(ISO / IEC 9899:2011): 7.26.2.1 call_once函数(p:378) 7.26.1 / 3 ONCE_FLAG_INIT(p:376) 扩展内容 | call_once的C ++文档 | |:---| 本文档系腾讯云开发者社区成员共同维护,如有问题请联系 cloudcommunity@tencent.com最后更新于:2017-12-18 分享 分享 ...
In past studies of stochastic water-hammer analysis, the shear stress has been considered as steady friction, while it actually is unsteady friction.In this article, the effect of unsteady friction on the simulation of fluctuation process of water-hammer was studied.Moreover, the random ...
[题目]According to the regulation of Education Ministry, a full-time middle school or primary school hold a flag-raising ceremony once a week, except during vacations.A. shall B. shouldC. need D. can
20.According to the regulation of Education Ministry.a full-time middle school or primary school hold a flag-raising ceremony once a week.except during vacations.( )A.shallB.shouldC.needD.can
according to the passage?A. The elder brother used his bulldozer to dig a creek.B. The elder brother helped the carpenter build the bridge.C. The brothers were both satisfied with the carpenter's work.D. The carpenter planned to build an 8foothigh fence as asked to.BDAC ...