From: http://charette.no-ip.com: 81/programming/2010-01-13_posixsemaphores/# Problem
The problem with POSIX semaphores
Summary
It has been a number of years since I 've used named semaphores. it cocould be that the last time I used a named
Yang Sha ZhouOctober 2001
This is a column about POSIX thread programming. On the basis of clarifying the concept, the author will detail the POSIX thread library API. This is the third article to introduce thread synchronization.
I. mutex
Mutex lock
Although the IPC semaphore mechanism can also be used in POSIX thread to implement mutex functions, the semphore function is obviously too powerful, the POSIX thread defines another set of mutex functions for thread synchronization.
1.
This is a column about POSIX threading programming. Based on the clarification of the concept, the author will give you a detailed account of the POSIX line libraries API. This article is the third article that will tell you about thread
The main differences between POSIX Message Queuing and System V Message Queuing are:1. The total number of reads to the POSIX queue returns the highest priority to the oldest message, and the SV queue to read can return any specified priority
POSIX multi-thread programming
1. advantages over multi-process
Some form of additional kernel overhead is imposed to reduce performance.
In most cases, IPC is not a "natural" extension of code. Generally, the complexity of the program is greatly
Inter-process communication in a Linux environment: traffic signals-general Linux technology-Linux programming and kernel information. For more information, see the following section. I. Traffic Signal Overview
The traffic signal is not the same as
Https://www.ibm.com/developerworks/cn/linux/l-ipc/part4/ from
Introduction:The traffic signal is not the same as that of other processes. It mainly provides resource access control for inter-process sharing. It is equivalent to a memory flag. A
To say the signal in Linux, you have to mention the concept of interruption. Interrupts are responses to asynchronous events in the system, which means that a process can be interrupted during the execution of the code, which first executes an
I. SignalWe run a program under the shell, can be in the process is running when the keyboard input CTRL + C, you will see that the process has been terminated, in fact, when we type CTRL + C is to send a SIGINT signal to the process, When a
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.