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wait free ºÜÄÑʵÏÖ£¬Ë¼ÏëÊDZ¾Ïß³ÌÓÐÏÞ²½¾Í ......
/*
* ¸ÃÎļþÖ÷ҪʵÏÖµÄÊÇtruncateº¯Êý£¬¸Ãº¯ÊýÊÇÊÍ·ÅÖ¸¶¨i
* ½ÚµãÔÚÉ豸ÉÏÕ¼ÓõÄËùÓÐÂß¼¿é£¬°üÀ¨Ö±½Ó¿é¡¢Ò»´Î¼ä
* ½Ó¿éºÍ¶þ´Î¼ä½Ó¿é
*/
/*
* linux/fs/truncate.c
*
* (C) 1991 Linus Torvalds
*/
#include <linux/sched.h>
......
/*
* linux/fs/char_dev.c
*
* (C) 1991 Linus Torvalds
*/
#include <errno.h>
#include <sys/types.h> // ¶¨ÒåÁË»ù±¾µÄϵͳÊý¾ÝÀàÐÍ
#include <linux/sched.h>
#include <linux/kernel.h> // º¬ÓÐһЩÄں˳£Óú¯ÊýµÄÔÐζ¨Òå
#include < ......
ÔÚ/etc/rc.d/init.d/ ´´½¨oracle10gÎļþ
touch oracle10g
chmod a+x oracle10g
[root@test~]# vi /etc/rc.d/init.d/oracle10g
#!/bin/bash
#chkconfig:345 51 49
#description:starts the oracle database deamons
#
ORACLE_HOME=/oracle/product/10.2.0/db_1
ORACLE_OWNER=oracle
case "$1" in
start)
echo ......
/*
* ¸ÃÎļþÖеÄÁ½¸öº¯Êýread_pipeºÍwrite_pipeÊÇÉϲ㺯Êý
* readºÍwriteµÄµ×²ãʵÏÖ
*/
/*
* linux/fs/pipe.c
*
* (C) 1991 Linus Torvalds
*/
#include <signal.h>
#include <linux/sched.h>
// ÄÚ´æ¹ÜÀíÍ·Îļþ¡£º¬ÓÐÒ³Ãæ´óС¶¨Òåº ......