wait function

First Look at another diary Executorservice pool = Executors.newfixedthreadpool (2);Pool.execute (New MyTask (1));Pool.execute (New MyTask (2));System.out.println ("Wait Pool exit");try {Pool.shutdown ();Pool.awaittermination (2,

Read the reading notes of high performance JavaScript Several principles: 1, put the script on the bottom in head, to ensure that before JS load, can load the normal display of the page. inline and external files with the Defer property can

Servlet| advanced JDBC uses the database URL to describe the database driver. The database URL is similar to a generic URL, but sun simplifies the definition with the following syntax: Jdbc::[node]/[database] Where the Child Protocol (subprotocal)

The parent process of the zombie process to recycle, the parent process every time to query whether the child process is finished and recycled, call wait () or Waitpid (), notify the kernel to release the zombie process /* Let the parent process

We used five articles to discuss how to compile a JavaScript asynchronous call framework (Question & amp; scenario, case design, code implementation, chain call, and chain implementation ), now, let's take a look at how to use it in various common

Go from Network1 Multi-thread synchronizationQT offers the following classes to accomplish this: Qmutex, Qmutexlocker, Qsemphore, Qwaitcondition. It may also contain qreadwritelocker, Qreadlocker, Qwritelocker, butThread SynchronizationThe

This three function comes from the object class, which is known to be used for multithreaded synchronization.However, there is a problem that has not been clear, that is the Notify () function to inform who?In the thinking in JAVA, when the Notify ()

Multiple threads may have conflicting access to shared data at the same time, for example, two threads have to increase a global variable by 1, which requires three instructions on a platform:从内存读变量值到寄存器寄存器的值加1将寄存器的值写回内存Assuming that two threads

FileZillaFTP Server Source Code Analysis: FileZilla is a free and open-source FTP tool. Including FileZilla Client and FileZilla Server. FileZilla Server only provides windows versions. to upload a local website webpage file to the website Server or

JAVA basics: Notes for JavaThread-Linux general technology-Linux programming and kernel information. Java thread programming is very simple. But sometimes you will see some usage errors about the thread. The following are some precautions. 1.

In front of us, we talked about the WSAAsyncSelect model, which provides a mechanism compared to the Select model: when the corresponding IO notification occurs, the operating system is notified immediately, and the corresponding handler function is

The ThreadPool of boostCopyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.ThreadPool is a pool of threads based on the boost library, but the thread pool implementation is not very complex.

The Pthread_barrier series functions are defined in for multi-threaded synchronization, which contains three functions:--pthread_barrier_init ()--pthread_barrier_wait ()--pthread_barrier_destroy ()So what is pthread_barrier_* for? How do these

Author: LxmuyuLinks: Wait, waitpidWait1.1 IntroductionThe wait function requires a header file:#include #include Wait function prototype:pid_t Wait (int *status);Once the process has called wait, it immediately blocks itself, and the wait

Read/write locks on WindowsThis section briefly introduces the read/write locks and their implementations on Windows. BackgroundWindows does not provide the read/write lock API after Vista and Server2008, that is, the SRW series functions

Overlapped, as its name implies, is overlapping. At first glance, it may be strange, overlap? Who and who overlap? Does it seem to have this concept in Win32 programming? To discuss this issue, we need to trace the access to device I/O. In Win32,

These three functions are often obfuscated.From the operating system perspective, the OS maintains a ready queue (ready thread queue ). In addition, at a certain time, the cpu only serves the thread in the queue header of the ready queue.However,

1. Basic Knowledge: 1) process: a dynamic execution process of a program with certain functions in a data set. A process consists of the body segment, user data segment, and system data segment to form an execution environment, which corresponds to

Drinking for one day, reinstalling the system for one day, and failing to blog for two days; continue learning... Ever wondered? Waitabletimer is in "timed wait". In the preceding example, the waitforsingleobject wait function "is also waiting",

Process ID Each process has a unique process ID. Several special processes: Process 0 is a kernel process, generally a scheduling process Swapper. Process 1 init is a user process (run/sbin/init with root permission) and is responsible for