Now write a program that useswait()to wait for the child process to finish in the parent. What doeswait()return? What happens if you usewait()in the child? Am I interpreting the second question wrong? If not, how do you do what the first question asks? How can I make the child ...
与std::condition_variable::wait() 类似,不过 wait_for可以指定一个时间段,在当前线程收到通知或者指定的时间 rel_time 超时之前,该线程都会处于阻塞状态。而一旦超时或者收到了其他线程的通知,wait_for返回,剩下的处理步骤和 wait()类似。 template <class Rep, class Period> cv_status wait_for (unique_loc...
解析 本题主要考查介词的固定搭配.can't wait for sth意思为:等不及某事了.介词for后面接名词tomorrow.故选:A. 我等不及明天的到来了. 结果一 题目 )2. I can't waittomorrow to come.A. forB. toC. at 答案 2.A 结果二 题目 I can’t wait ___ tomorrow to come. ( ) A. for B....
wait函数 wait()函数用于回收子进程的资源,防止它成为“僵尸进程”。wait()函数的语法如下: #include <sys/types.h> #include <sys/wait.h> pid_t wait(int *status); wait()函数的参数status是一个指向整数的指针,用于存储子进程的退出状态(如果不关心子进程的退出状态,可以把status设置为NULL)。wait()函数...
Wait_For_Conversation调用 (函数名称cmwait) 等待processing_mode会话特征设置为 CM_NON_BLOCKING 并在return_code参数中返回CM_OPERATION_INCOMPLETE时启动的操作完成。 语法 CM_ENTRY Wait_For_Conversation( unsigned char FAR *conversation_ID, CM_INT32 FAR *conversation_return_code, CM_INT32 FAR *return_co...
After updating to VS 16.8.0 Preview 3 (c++/winrt 2.0.190620.2), build is now failing at: Windows.Foundation.0.h(983,26): error C2039: 'wait_for': is not a member of 'winrt::impl' Looks like impl::wait_for is defined later in Windows.Foun...
1. I will wait for you at the train station. 我会在火车站等你。 2. Please wait for me outside the restaurant. 请在餐厅外等我。 3. I have been waiting for this moment my whole life. 我一生都在等待这一刻。 4. Don't worry, I will wait for your call. 不用担心,我会等你的电话...
解析 【答案】B详解】句意:他们在公交车站台等车。wait fo表示等待,故答案为B。 结果一 题目 7. They wat for the bus(on/at)the bus stop. 答案 7. They wat for the busat(on/at)the bus stop.相关推荐 17. They wat for the bus(on/at)the bus stop....
1五、wait for的用法()1.Childrentheir presents at Christmas.A.waitB.wait forC.wait to()2.Bobby wait for his presents every year.A B C五、wait for 的用法 ( )1.Children_their presents at Christmas. A.wait B.wait for C.wait to ( )2.Bobby wait for his presents every year. A B ...