linux ÐźŴ¦Àí µÄѧϰ
linuxϵͳÖжÔÐźŵĴ¦ÀíÖ÷ÒªÊÇsignal ºÍsigactionº¯ÊýÀ´Íê³É£¬pauseÓÃÀ´ÏìÓ¦ÈκÎÐźţ¬µ«²»×öÈκδ¦Àí¡£
1¡£signalº¯Êý
¸Ãº¯ÊýÓÃÀ´ÉèÖýø³ÌÔÚ½Óµ½Ðźŵ͝×÷¡£¿ÉÒÔ man signal²é¿´¾ßÌåÓ÷¨£¬ÏÖÔÚ¶ÔÆäÓ÷¨ÑÝʾ£¬
SIGKILL SIGSTOPÊDz»Äܱ»²¶×½ºÍºöÂÔµÄÐźš£
#include <stdio.h>
#include <signal.h>
void handler_sigint (int signo)
{
printf("recv SIGINT\N");
}
int main()
{
signal(SIGINT,handler_sigint);
while(1)
;
return 0;
}
½âÊÍ£ºwhileΪËÀÑ»·£¬ctrl+c²úÉúSIGINTÐźţ¬¶øctrl+\½«Ïò½ø³ÌSIGQUIT Ðźţ¬µ«³ÌÐò±¾ÉíûÓд¦Àí¸ÃÐźţ¬ÔòʹÓÃĬÈÏ´¦Àí·½Ê½£¬Í˳ö³ÌÐò¡£Ò²¿ÉÒÔkill;
Ïà¹ØÎĵµ£º
linuxÆô¶¯Á÷³Ì£º
ϵͳԤ´¦Àí³ÌÐò->GRUB (´Ë½×¶Î¿ÉÒÔÀí½âΪbootloader½×¶Î)
->kernel (´Ë½×¶ÎΪkernel)
->initrd->initÆô¶¯->inittab->rc.sysinit->functions(PATH)->modules->rcX.d(¶ÁÅäÖÃÎļþ)
1.->×Ö·ûģʽ->tty->bash
2.->ͼÐÎģʽ->½øÈëX Window-> ......
errno±äÁ¿(Ðèinclude errno.h)»á±»¸³Ò»¸öÕûÊýÖµ,²»Í¬µÄÖµ±íʾ²»Í¬µÄº¬Òå,
¿ÉÒÔͨ¹ý²é¿´¸ÃÖµÍÆ²â³ö´íµÄÔÒò¡£µ«ÊÇerrnoÊÇÒ»¸öÊý×Ö£¬´ú±íµÄ¾ßÌ庬Òå
»¹Òªµ½errno.hÖÐÈ¥ÔĶÁºê¶¨Òå¡£ÓÐÏÂÃæ¼¸ÖÖ·½·¨¿ÉÒÔ·½±ãµÄµÃµ½´íÎóÐÅÏ¢
(Ò»)
#include <stdio.h>
void perror(const char *s)
perror()ÓÃÀ´½«ÉÏÒ»¸öº¯Êý·¢Éú´íÎóµÄ ......
......
¼¶±ð£º ³õ¼¶
·®Ææ (fanqi@cn.ibm.com), Xseries eServer ¹¤³Ìʦ, IBM TSS China Beijing
2004 Äê 11 ÔÂ 01 ÈÕ
Linux I/O ÖØ¶¨ÏòËäÈ»ºÜ¼òµ¥£¬µ«Ôڽű¾±àд¡¢ÏµÍ³¹ÜÀíʱȴҪ³£³£´ò½»µÀ£¬¸ãÇåÆäÖÐʹÓü¼Çɷdz£ÓÐÓá£
Ê×ÏÈ˵һÏÂʲôÊÇI/OÖØ¶¨Ïò£¬ËùνI/OÖØ¶¨Ïò¼òµ¥À´Ëµ¾ÍÊÇÒ»¸ö¹ý³Ì£¬Õâ¸ö¹ý³Ì²¶×½Ò»¸öÎļþ£¬»òÕßÃüÁ³ÌÐò ......
http://www.cublog.cn/u/2108/showart_223258.html
LinuxÄÚºËÊý¾Ý°ü´¦ÀíÁ÷³Ì£Êý¾Ý°ü½ÓÊÕ
ÓëÆä˵ÕâÆªÎÄÕ·ÖÎöÁËÍø¿¨Çý¶¯ÖÐÖÐÊý¾Ý°üµÄ½ÓÊÕ£¬»¹²»Èç˵ÊÇÒÔe100ΪÀý£¬¶ÔÍø¿¨Çý¶¯±àдµÄÒ»¸ö˵Ã÷¡£
µ±È»£¬¶ÔÊý¾Ý°üµÄ½ÓÊÕ˵µÄºÜÇå³þ¡£
×ªÔØ
Êý¾Ý°üµÄ½ÓÊÕ
×÷Õߣºkendo
Kernel£º2.6.12
Ò»¡¢´ÓÍø¿¨ËµÆð
Õâ²¢·ÇÊÇÒ»¸öÍø¿¨Ç ......