select system call

Reference:"Linux kernel design and implementation"0 SummarySystem call process for Linux:The hierarchy is as follows:User program------>C library (i.e. API): INT 0x80----->system_call-------> System invoke Service Routines--------> Kernel

Linux select System Call _ 1, select System Call _ 1 SYNOPSIS /* According to POSIX.1-2001 */ #include /* According to earlier standards */ #include #include #include int select(int nfds, fd_set *readfds,

Chapter 5 5.5 Linux system call 5.5.1 System Call Interface System calls (commonly referred to as syscils) are the only interface for interaction between linux kernels and upper-layer applications. See Figure 5-4. According to the description of

Reproduced from: http://blog.csdn.net/orange_os/article/details/7485069 Directory: 1. Linux system call principle 2. Implementation of System call 3. Linux system call Classification and list 4. System call, User programming Interface (API), System

Select () System Call and application of fd_set in file descriptor set Zhang Qing, network center of Hunan Hengyang Environmental Engineering Company In network programs, it is common for a process to process multiple file descriptors at

In network programs, it is common for a process to process multiple file descriptors at the same time. The Select () system call can enable the process to detect multiple I/O devices waiting for at the same time. When no device is ready, select ()

Synopsis/*according to posix.1-2001*/#includeSelect.h>/*according to earlier standards*/#include#include#includeint Select(intNfds, Fd_set *readfds, Fd_set *Writefds, Fd_set*exceptfds,structTimeval *timeout); voidFD_CLR (intFD, Fd_set *Set);

PHPCMS get tag overview, get tag syntax, get tag creation tool, get call this system example, get call other system examples First, Get tags overview in layman 's terms, the get tag is a simple, friendly code that PHPCMS defines to directly

Use the Registry to create a unified Call Center Configuration Management System and call center management system Step-by-step development of Call Center Series It has been nearly three months since the last release of "call center system

1. Introduction to system calls the so-called system calls are a series of functions provided by the kernel with very powerful functions. These system calls are implemented in the kernel, and then the system is called to the user in a certain way,