Linux³ÌʽÉè¼Æ
http://www.openchess.org/noitatsko/programming/ (2001-05-24 16:47:48)
ÐźŴ¦Àí
--------------------------------------------------------------------------------
ÐźŴ¦Àí¸Å˵
ËͳöÐźÅ
½ÓÊÕÐźÅ
ÐźŵĴ¦Àí
ÈÎÎñ¿ØÖÆ
--------------------------------------------------------------------------------
POSIX IPC
reliable/unreliable
reentrant
pending
sending signals
catching signals
manipulating
signal definitions
--------------------------------------------------------------------------------
ÐźÅsingals
ÐźŵĴ¦Àí¿ÉÒÔÓÃÒ»´óÕÂÀ´Ð´£¬Éæ¼°µÄ²ãÃæÒ²»áÉîÈëÕû¸ö×÷ҵϵͳÖУ¬ÎÒ²¢²»´òËãÕâÑù×ö£¬ÒòΪÄú¿ÉÄÜ»áÔ½¸ãÔ½ÃÔºý¡£ÕâÀïÎÒÖ»¸æËßÄúÈçºÎ½ÓÉÏÐźţ¬ÔÚʵÓõIJãÃæÉÏ£¬ÕâÑù±ãºÜ¹»ÓÃÁË¡£Äú¿ÉÒÔÏÈÀûÓÃÕâЩ»ù±¾µÄ¼¼ÇÉÀ´×«Ð´³Ìʽ£¬µÈµ½ÓнøÒ»²½¸ßµÈÓ¦ÓõÄÐèҪʱ£¬ÕÒÒ»±¾½ÏÉîÈëµÄUNIX Programming½Ì²Ä£¬×¨ÃÅÑо¿signalµÄд·¨¡£
Ò»°ã¼òµ¥µÄsignalд·¨ÈçÏÂ:
void mysignal(int signo)
{
/* my signal handler */
}
void initsignal(void)
{
struct sigaction act;
act.sa_handler = mysignal;
act.sa_flags = 0;
sigemptyset(&act.sa_mask);
sigaction(SIGHUP,&act,NULL);
sigaction(SIGINT,&act,NULL);
sigaction(SIGQUIT,&act,NULL);
sigaction(SIGILL,&act,NULL);
sigaction(SIGTERM,&act,NULL);
}
ÀýÒ»: lock.c
ÔÚforkµÄÀýÈýÖÐÌáµ½£¬ÔÚdaemon±»É±µôʱ£¬ÐèÒªÔÚÀ뿪ǰ£¬½«/var/run/lock.pidɾ³ý¡£ÕâÀïÎÒÃÇ¿ÉÒÔÀûÓÃsignalÀ´´¦ÀíÕâ¼þÊ¡£
#include
#include
#include
#include
#define LOCK_FILE "/var/run/lock.pid"
void quit(int signo)
{
printf("Receive signal %d\n",signo);
unlink(LOCK_FILE);
exit
Ïà¹ØÎĵµ£º
1. HCI²ãÐÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI) ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈÐÒé ......
±¾Ô´´ÎÄÕÂÊôÓÚ¡¶Linux´óÅï¡·²©¿Í£¬²©¿ÍµØÖ·Îªhttp://roclinux.cn¡£ÎÄÕÂ×÷ÕßΪrocrocket¡£
ΪÁË·ÀÖ¹Ä³Ð©ÍøÕ¾µÄ¶ñÐÔ×ªÔØ£¬ÌØÔÚÿƪÎÄÕÂǰ¼ÓÈë´ËÐÅÏ¢£¬»¹Íû¶ÁÕßÌåÁ¡£
===
[ÕýÎÄ¿ªÊ¼]
Æô¶¯µÚÒ»²½££¼ÓÔØBIOS
µ±
Äã´ò¿ª¼ÆËã»úµçÔ´£¬¼ÆËã»ú»áÊ×ÏȼÓÔØBIOSÐÅÏ¢£¬BIOSÐÅÏ¢ÊÇÈç´ËµÄÖØÒª£¬ÒÔÖÁÓÚ¼ÆËã»ú±ØÐëÔÚ×ʼ¾ÍÕÒµ½Ëü¡ ......
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» ......
ÔÚ°²×°ºÃRedhatÒÔºó£¬ÐèÒªÉèÖÃFtpºÍTelnet·þÎñÎļþ£¬²ÅÄÜÆô¶¯FtpºÍTelnet·þÎñ£¬¿ÉÒÔͨ¹ýÔ¶³Ì¿ØÖƽøÐпªÆô¡£
¡¡¡¡1.1¡¢ÓÃrootÓû§µÇ¼£¬½øÈëÖÕ¶ËÃüÁîģʽ£»
¡¡¡¡1.2¡¢¿ªÆôftp·þÎñ¡£
¡¡¡¡cd /etc/xinetd.d £¬±à¼ftp·þÎñµÄÅäÖÃÎļþgssftpµÄÉèÖãº
¡¡¡¡¿ªÆôftp·þÎñÉèÖÃ.
¡¡¡¡vi gssftp £¬½« ÐÞ¸ÄÁ½ÏîÄÚÈÝ£º
¡¡¡¡£¨1£©ser ......
¸ñʽ: echo "\033[×Ö±³¾°ÑÕÉ«;×ÖÌåÑÕÉ«m×Ö·û´®\033[0m"
ÀýÈç:
echo "\033[41;36m something here \033[0m"
ÆäÖÐ41µÄλÖôú±íµ×É«, 36µÄλÖÃÊÇ´ú±í×ÖµÄÑÕÉ«
ÄÇЩascii code ÊǶÔÑÕÉ«µ÷ÓõÄʼĩ.
\033[ ; m …… \033[0m
×Ö±³¾°ÑÕÉ«·¶Î§:40----49
40:ºÚ
41:Éîºì
42:ÂÌ
43:»ÆÉ«
44:À¶É«
45:×ÏÉ«
4 ......