multiprocess.c

在linux下使用c语言编写的一个文件拷贝的源码

#include <curses.h>
#include <stdio.h>
int ch;

void initial(){
	initscr();
	cbreak();
	nonl();
	noecho();
	intrflush(stdscr,FALSE);
	keypad(stdscr,TRUE);
	refresh();
}

void run(WINDOW *window){
	int i=0;
	for(i;i<999;i++){
		wprintw(window,"\t%d\n",i);
		box(window,'|','-');	
		wrefresh(window);
	}
}

int main(){
	WINDOW *win[3];
	int i;
	int child0,child1,child2;
	initial();
	for(i=0;i<3;i++){
		win[i]=newwin(LINES,COLS/3,0,i*COLS/3);
		box(win[i],'|','-');
		scrollok(win[i],TRUE);
		wrefresh(win[i]);
	}
	if( (child0=fork())==0 )
		run(win[0]);	
	else{
		if( (child1=fork())==0 )
			run(win[1]);			
		else{ 
			if( (child2=fork())==0 )
				run(win[2]);
			else{
				while( getch()!=27 );
				exit(0);
			}
		}
	}
	endwin();
	return 0;
}