wait function

Before reading this article, we recommend that you read the following companion articles: Second kill multithreading article 4 a typical multi-thread synchronization problem Second kill multi-thread Article 5 key segment of typical thread

  A thread is an execution path of a process. It contains an independent stack and CPU register status. Each thread shares all process resources, including open files, signal IDs, and dynamically allocated memory. All threads in a process use the

When I came in, I encountered some questions about the ace code. Today I saw an article about the ace condition category on the Internet, which solved some of my doubts. In view of the idea of spreading many good things, I will try again. Original

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.

Porting win32 program multi-thread content to Linux cannot be simply transplanted according to function correspondence. However, through the following ing, coupled with your in-depth understanding of these models, I believe it will be very

Process usage summary and process usage Summary When a knowledge point is not used for a long time, it is easy to forget. This is a normal rule. So it is necessary for us to study at the time. This article will review and review previous learning

Process Control (2) competitive conditions When multiple processes attempt to process shared data in a certain way, and the final result depends on the order in which the process runs, we think this is a competitive condition. If a parent process

Pthread_barrier_init, pthread_barrier_wait, pthread_barrier_destroy The pthread_barrier series functions are defined in and used for multi-thread synchronization. They contain three functions: -- Pthread_barrier_init () -- Pthread_barrier_wait () --

1) open your phone, click contact on the desktop, click physical menu key, select call settings, and click other settings ]. (As shown in the following figure) 2) Check [wait for incoming call], and set it. (As shown in the following figure) Note: I

Background introduction Start with the thread creation process Start point of Thread creation init () A second init2 () Start the thread and drive! Black Experiment A few common threading means (operations)

in the Linux: On the signal in the blog post we wrote a mysleep, but in fact this function in the multi-threaded environment will be wrong, that is, our mysleep function is not reentrant function,Now re-examine the "mysleep" program and imagine the

What is a zombie process ?First the kernel releases all the stores used by the terminating process (called the exit system call), closes all open files, and so on, but the kernel holds a certain amount of information for each terminating child

1. IntroductionC11 provides another synchronization mechanism for waiting, which can block one or more threads until a notification or timeout is received from another thread to wake the currently blocked thread. The condition variable is used in

Content from: http://blog.csdn.net/morewindows/article/details/7445233This article describes the use of event events to try to resolve this thread synchronization problem.Let's start by describing how to use events. Event events is actually a kernel

Linux programming, threading, process exit sequence problems are confusing, if the parent process/thread before the child process/thread termination, what the system will do? Conversely, what will the system do if the subprocess/thread terminates

Closures: When a function is executed outside its declared scope environment, it can remember and use variables in its original scope. function foo () { var a = 2; function Bar () { console.log (a); } return bar; } var baz =

Dynamically loading JS functions Generally, when we need to load the JS file, we use the script tag to implement it, similar to the following code: Copy Code code as follows: But using the script tag directly to load the JS

This part is a bit messy, first of all, the state of the process, then some concepts, and finally Linux, some of the special process and source language. Status of the processIn general, processes have four state-ready (Ready), execution (running),

Servlet| Advanced Link Database 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

wait* () function family can realize the detection of events, and the function can realize the detection of single signal and multi-signal.Maybe if I say so, we might be a little bit confused. No hurry, let's start by introducing two functions.The