LinuxÏÂCÓïÑÔ±à³Ì ÐźŴ¦Àíº¯Êý
ǰÑÔ:ÕâÒ»ÕÂÎÒÃÇÌÖÂÛÒ»ÏÂLinuxϵÄÐźŴ¦Àíº¯Êý.
LinuxϵÄÐźŴ¦Àíº¯Êý:
1.ÐźŵIJúÉú
2.ÐźŵĴ¦Àí
3.ÆäËüÐźź¯Êý
--------------------------------------------------------------------------------
Ò»¸öʵÀý
1¡£ÐźŵIJúÉú
LinuxϵÄÐźſÉÒÔÀà±ÈÓÚDOSϵÄINT»òÕßÊÇWindowsϵÄʼþ.ÔÚÓÐÒ»¸öÐźŷ¢ÉúʱºòÏàÐŵÄÐźžͻᷢË͸øÏàÓ¦µÄ½ø³Ì.ÔÚLinuxϵÄÐźÅÓÐÒÔϼ¸¸ö. ÎÒÃÇʹÓà kill -l ÃüÁî¿ÉÒԵõ½ÒÔϵÄÊä³ö½á¹û:
1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL
5) SIGTRAP 6) SIGABRT 7) SIGBUS 8) SIGFPE
9) SIGKILL 10) SIGUSR1 11) SIGSEGV 12) SIGUSR2
13) SIGPIPE 14) SIGALRM 15) SIGTERM 17) SIGCHLD
18) SIGCONT 19) SIGSTOP 20) SIGTSTP 21) SIGTTIN
22) SIGTTOU 23) SIGURG 24) SIGXCPU 25) SIGXFSZ
26) SIGVTALRM 27) SIGPROF 28) SIGWINCH 29) SIGIO
30) SIGPWR
¹Ø
ÓÚÕâЩÐźŵÄÏêϸ½âÊÍÇë²é¿´man 7 signalµÄÊä³ö½á¹û. ÐźÅʼþµÄ·¢ÉúÓÐÁ½¸öÀ´Ô´:Ò»¸öÊÇÓ²¼þµÄÔÒò(±ÈÈçÎÒÃǰ´ÏÂÁ˼üÅÌ),Ò»¸öÊÇÈí¼þµÄÔ
Òò(±ÈÈçÎÒÃÇʹÓÃϵͳº¯Êý»òÕßÊÇÃüÁî·¢³öÐźÅ). ×î³£ÓõÄËĸö·¢³öÐźŵÄϵͳº¯ÊýÊÇkill, raise, alarmºÍsetitimerº¯
Êý. setitimerº¯ÊýÎÒÃÇÔÚ¼ÆÊ±Æ÷µÄʹÓà ÄÇÒ»ÕÂÔÙѧϰ.
#include
#include
#include
int kill(pid_t pid,int sig);
int raise(int sig);
unisigned int alarm(unsigned int seconds);
killϵͳµ÷ÓøºÔðÏò½ø³Ì·¢ËÍÐźÅsig.
Èç¹ûpidÊÇÕýÊý,ÄÇôÏòÐźÅsig±»·¢Ë͵½½ø³Ìpid.
Èç¹ûpidµÈÓÚ0,ÄÇôÐźÅsig±»·¢Ë͵½ËùÒÔºÍpid½ø³ÌÔÚͬһ¸ö½ø³Ì×éµÄ½ø³Ì
Èç¹ûpidµÈÓÚ-1,ÄÇôÐźŷ¢¸øËùÓеĽø³Ì±íÖеĽø³Ì,³ýÁË×î´óµÄÄĸö½ø³ÌºÅ.
Èç¹ûpidÓÉÓÚ-1,ºÍ0Ò»Ñù,Ö»ÊÇ·¢Ëͽø³Ì×éÊÇ-pid.
ÎÒÃÇÓÃ×î¶àµÄÊǵÚÒ»¸öÇé¿ö.»¹¼ÇµÃÎÒÃÇÔÚÊØ»¤½ø³ÌÄÇÒ»½ÚµÄÀý×ÓÂð?ÎÒÃÇÄǸöʱºòÓÃÕâ¸öº¯
Ïà¹ØÎĵµ£º
×÷ΪÁ½¸öϵͳ¶øÑÔ£¬Òª½øÐÐ×ÊÔ´µÄ¹²Ïí£¬·½·¨ºÜ¶à£¬
×î³£ÓõÄÁ½ÖÖ·½°¸ÊÇFTP·ÃÎÊºÍ Samba·þÎñ¡£
µ«¶ÔÓںܶàÐÂÊÖÀ´ËµÅäÖÃÕâЩ·þÎñ¿ÉÄÜ»á±È½Ï³ÔÁ¦£¬»¹ÓÐÒ»¸ö¼òµ¥µÄÁ½ÏµÍ³¼äÎļþ»¥·ÃµÄ·½·¨¾ÍÊÇʹÓÃUSBÉ豸¡£
ÔÚ°²×°ÓÐÐéÄâ»úLinuxµÄWindows XPϵͳÖвåÈë£ÕÅÌ£¬ÔÚÁ½¸ö ......
1¡¢ÏȽ«ÐéÄâ»úPower Off£¬ÔÚVirtual Machine Setting¶Ô»°¿òÀïµã»÷×óϽǵēAdd”£¬Ñ¡Ôñ“Hard Disk”£¬Ö®ºóÑ¡Ôñ“Create a new virtual disk”£¬·ÖÅäÈÝÁ¿£¬ÆäËûĬÈÏÅäÖþͿÉÒÔÁË¡£
2¡¢Æô¶¯ÐéÄâ»úϵͳ£¬ÓÃrootµÇ½£¬ÔÚ ÃüÁîÐÐÓÃfdisk -l²é¿´ÊÇ·ñʶ±ðÁËÐÂÓ²ÅÌ£¬Èç¹ûÌí¼ÓµÄÊÇIDEÓ²ÅÌ£¬¾ÍÓ¦¸Ã¿ ......
import sun.misc.Signal;
import sun.misc.SignalHandler;
/***
* javaÐźŴ¦Àídemo
* @author jiang_qh
*
*/
public class SignalHandlerExample implements SignalHandler{
private SignalHandler oldHandler;
public void handle(Signal signal) {
System.out.println("Signal handler called for signal " ......
1 ££i nclude “filename.h”ºÍ££i nclude <filename.h>µÄÇø±ð?
´ð£º¶ÔÓÚ££i nclude <filename.h>±àÒëÆ÷´Ó±ê×¼¿â¿ªÊ¼ËÑË÷filename.h
¶ÔÓÚ££i nclude “filename.h”±àÒëÆ÷´ÓÓû§¹¤×÷·¾¶¿ªÊ¼ËÑË÷filename.h
2 Í·ÎļþµÄ×÷ÓÃÊÇʲô?
´ð£ºÒ» ......
³ÉΪһÃû¾«Í¨ Linux ³ÌÐòÉè¼ÆµÄ¸ß¼¶³ÌÐòÔ±Ò»Ö±ÊDz»ÉÙÅóÓÑ×Î×ÎÒÔÇóµÄÄ¿±ê¡£¸ù¾ÝÖлªÓ¢²ÅÍøÍ³¼ÆÊý¾Ý£¬±±¾©µØÇø Linux ³ÌÐòÔ±ÔÂнƽ¾ùΪ Windows ³ÌÐòÔ±µÄ 1.8 ±¶¡¢Java ³ÌÐòÔ±µÄ 2.6 ±¶£¬ Linux ³ÌÐòÔ±ÄêÖÕ½±½ðƽ¾ùΪ Windows ³ÌÐòÔ±µÄ 2.9 ±¶¡£Í¬Ê±Êý¾ÝÏÔʾ£¬Ëæ×ʤ×÷¾ÑéµÄÔö³¤£¬ Linux ³ÌÐòÔ±Óë Windows ³ÌÐòÔ±µÄÊÕÈë²î¾à» ......