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typedef struct siginfo
{
                int si_signo;            /* Signal number.*/
                int si_errno;            /* If non-zero, an errno value associated with this signal, as defined in <errno.h>.*/
                int si_code;             /* Signal code*/
                union
                {
                         int _pad[__SI_PAD_SIZE];
                         struct  /* kill().*/
                         {
                                     __pid_t si_pid;          /* Sending process ID.*/
                                     __uid_t si_uid;          /* Real user ID of sending process.*/
  &n


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Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
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linuxÏÂfile descriptoerÏÞÖÆ


linuxÏÂfile descriptoerÏÞÖÆ
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Tuning file descriptor limits on Linux
Linux limits the number of file descriptors that any one process may open; the default limits are 1024 p ......

Enable/Disable Linux mousekeys

 
gcc mousekey.c -lX11 -IX11
´ò¿ªmousekeysÔËÐÐ./a.out
¹Ø±ÕmousekeysÔËÐÐ./a.out 1,ÕâÀïÔÚa.outºóÃæËæ±ã¼ÓÒ»¸ö²ÎÊý¾Í¿ÉÒÔÁË£¬ÒòΪÅжÏÌõ¼þΪ if(argc < 2)
/*********source code***************/
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X ......

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2¡¢ ÔËÐÐϵͳÄں˲¢¼ì²âÓ²¼þ
3¡¢ ÔËÐÐϵͳµÄµÚÒ»¸ö½ø³Ìinit
4¡¢ init¶ÁȡϵͳÒýµ¼ÅäÖÃÎļþ/etc/inittabÖеÄÐÅÏ¢½øÐгõʼ»¯
             /etc/rc.d/rc.sysinit------ϵͳ³õʼ»¯½Å±¾
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