sig 7

The signal binding mechanism simply means that the external signal is converted to an internal IO event for processing. Since the signal capture function is globally bound, there is no way to bind the IO event and file descriptor as an IO event, and

#!/bin/bash# Tetris Game# 10.21.2003 Xhchen #颜色定义 Cred=1 cgreen=2 Cyellow=3 Cblue=4 Cfuchsia=5 Ccyan=6 Cwhite=7 colortable= ($cRed $cGreen $cYellow $cBlue $cFuchsia $cCyan) #位置和大小 Ileft=3 itop=2 ((

The Russian Square in shell. #! Binbash # TetrisGame # 10.21.2003xhchenxhchen@winbond.com.tw # color definition cRed1cGreen2cYellow3cBlue4cFuchsia5cCyan6cWhite7colorTable ($ cRed $ cGreen $ cYellow $ c #! /Bin/bash # Tetris Game #10.21.2003 xhchen

Pro-Test a very fun shell script written by Tetris game, script from Internet#!/bin/bash # Tetris Game# 10.21.2003 Xhchen #APP DeclarationApp_name= "${0##*[\\/]}"App_version= "1.0"

#! /Bin/bash# Tetris Game#10.21.2003 xhchen # Color definitionCRed = 1CGreen = 2CYellow = 3CBlue = 4CFuchsia = 5CCyan = 6CWhite = 7ColorTable = ($ cRed $ cGreen $ cYellow $ cBlue $ cFuchsia $ cCyan $ cWhite)# Position and sizeILeft = 3ITop =

Linux signal Programming Practice (2) signal sending function and reentrant function   In the early UNIX era, the signal was unreliable. It cannot be said that the signal may be lost, but a signal may occur, but the process may never know

Author: POLink: http://blog.csdn.net/livelylittlefish/article/details/7308100 Content 0. Preface 1. Ngx_init_signals () function 1.1 ngx_signal_t Structure 1.2 Signals array 1.3 Sigaction Structure 2. A few questions How the 2.1ngx_signal_value

Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 3350 Problem descriptionhave you used # define in C/C ++ code like the code below? # Include # define max (A, B) (a)> (B )? (A): (B) int main () {printf ("% d \ n", max (2 + 3, 4); Return 0 ;} Run the

1. In order to understand the signal, let's start with the scenario we are most familiar:1. Enter a command to start a foreground process in shell.2. Press ctrl-C to cause a hardware interruption.3. If the CPU is currently executing the code of the

Signal is a very important part of Linux programming, this article will detail the basic concept of signal mechanism, the approximate realization method of Linux to signal mechanism, how to use signal, and several system calls about signal.Signal