#include
by jiangzy80 - C/C++ - 2009-08-27 08:58:51 ÔĶÁ£¨3053£© »Ø¸´£¨10£©
atexit£¨ÉèÖóÌÐòÕý³£½áÊøÇ°µ÷Óõĺ¯Êý£© Ïà¹Øº¯Êý _exit,exit,on_exit ±íÍ·Îļþ #include ¶¨Ò庯Êý int atexit (void (*function)(void)); º¯Êý˵Ã÷ atexit()ÓÃÀ´ÉèÖÃÒ»¸ö³ÌÐòÕý³£½áÊøÇ°µ÷Óõĺ¯Êý¡£µ±³ÌÐòͨ¹ýµ÷ ÓÃexit()»ò´ÓmainÖзµ»Øʱ£¬²ÎÊýfunctionËùÖ¸¶¨µÄº¯Êý»áÏȱ»µ÷ Óã¬È»ºó²ÅÕæÕýÓÉexit()½áÊø³ÌÐò¡£ ·µ»ØÖµ Èç¹ûÖ´Ðгɹ¦Ôò·µ»Ø0£¬·ñÔò·µ»Ø-1£¬Ê§°ÜÔÒò´æÓÚerrnoÖС£ ·¶Àý #include void my_exit(void) { printf(¡°bef...
#include
ÏÖÔÚÎҵijÌÐòÔÚµ÷ÊÔµÄʱºòÓÐʱ»áÓöµ½sigsgev£¬¸¸½ø³ÌÊÕµ½Õâ¸öÐźźó±»ÖÕÖ¹£¬µ«×Ó½ø³Ì»¹ÔÚ£¬ÎҵĽâ¾ö°ì·¨ÊÇÏÈÈø¸½ø³Ì³ÉΪһ¸öеĽø³Ì×飬ȷ±£×Ó½ø³ÌÔÚͬһ¸ö×éÀȻºó°²×°sigsgevµÄhandler£¬ÔÚhandlerÀïÏòÕû¸ö×é·¢sigkill¡£Á½¸öÎÊÌ⣺ 1.Ä¿Ç°À´¿´Õâ¸ö·½·¨Äܹ»ÈÃÎÒ¼ÌÐøµ÷ÊÔ³ÌÐò£¬µ«²»ÖªµÀÊÇ·ñÕýÈ·£¿ 2.¸¸½ø³Ì±»ÒâÍâÖÕÖ¹µÄ·½Ê½ÓжàÉÙ£¿Í¨ÓÃÒ»µãµÄ·½·¨Ó¦¸ÃÔõô×ö£¿ ps£¬ÕâЩ×Ó½ø³ÌÓеÄÊÇͨ¹ýpopen´ò¿ªµÄ¡£ лл¸÷λ£¬Å¼ÊÇlinuxÐÂÊÖ£¬...
×î½üµÄÒ»¶Îʱ¼äÖУ¬·¢ÏÖÔÚbusyboxϵ÷ÊÔʱ£¬shellÖÕ¶ËÓÃctrl+c²»ÄÜÖÕÖ¹µôÕýÔÚÔËÐеĽø³Ì¡£²Î¿¼ÁËÍøÉϵÄһЩÍøÓѵÄblogµÄ½â¾ö·½·¨ÒÔ¼°×Ô¼ºµÄÀí½â£¬Õâ±ß°Ñ½â¾ö·½·¨¸æËß´ó¼Ò¡£ ctrl+cÖÕÖ¹½ø³ÌµÄÁ÷³ÌÊÇÕâÑùµÄ£º ctrl + cÊ×ÏÈͨ¹ý /dev/ttyS0 (/dev/console)µÄdriver£¬Õâ¸öserial driverÖ±½Ó°ÑÕâ¸ö¿ØÖÆ×Ö·ûË͵½n_ttyµÄdriver£¬n_tty¸ºÔðsearchËùÓеĿØÖÆ×Ö·û¡£ µ± ctrl+c °´Ï£¬ n_tty.c: n_tty_receive_break() ¨c> isig(SIGINT,tty)...
ÎҵĻúÆ÷ÓÐ6¸öcPU£¬ÔÚHP-UnixϱàдµÄc³ÌÐò£¬Ê¹Óöà¸ö½ø³Ì£¬ÆäÖнöÓÐÒ»¸ö½ø³ÌÓÃÓÚдÎļþ£¨Ð´ÎļþʹÓÃfputs£©¡£µ«·¢ÏÖдÎļþµÄ½ø³Ì×ÜÊÇûÓл¡£»¹Çë´ó¼ÒÖ¸µã¡£
²»ÖªµÀÈçºÎ»ØÊÕ~ÅÜÒ»¶Î¾Í¹ÒÁË
[code]
#include
ÎҵijÌÐòÊǶÁÅäÖÃÎļþÆô¶¯¼¸¸ö½ø³Ì¡£ ÎÒÓÐÒ»¸ö¹ÜÀí½ø³Ì´¦Àíµ±ÎÒµÄÅäÖÃÎļþÀïÃæµÄ½ø³Ì³öÎÊÌâµÄʱºò£¬´ÓÐÂÆô¶¯³öÎÊÌâµÄ½ø³Ì¡£ µ«Êǵ±ÎÒkillµôÎҵĽø³ÌµÄʱºò£¬½ø³Ì¾Í±ä³É½©Ê¬½ø³ÌÁË£¬ ÎÒ±¾À´»ØÊÕÁËÎҵĽ©Ê¬½ø³ÌµÄµÄ£¬µ«ÊDz»ÖªµÀΪʲô£¬µ«ÊÇÎÒûÊÕµ½×Ó½ø³ÌÍ˳öµÄÐźţ¬ËùÒÔÎҵijÌÐòÒ²¾ÍÎÞ·¨Æô¶¯³öÎÊÌâµÄ½ø³ÌÁË¡£ ÎÒÏëÖªµÀ£¬ÎªÊ²Ã´×Ó½ø³Ì±ä³É½©Ê¬ÁË
ÏëÉè¼ÆÒ»¸öwhile(1);ÕâÑùµÄÓï¾ä,Èýø³ÌÓÀԶͣÔÚÒ»¸öµØ·½²»return, µ«ÓÖ²»ÏëÏûºÄcPU×ÊÔ´, ÊÔÁËsleep()º¯Êý,µ«Ëü»á×è¶ÏSIGPROFÐźŵĻñµÃ!!! ÇëÎÊÓÐûÓÐʲôºÃ°ì·¨?
ÔõôÓÃcÓïÑÔд¼à¿ØÊØ»¤½ø³ÌµÄ³ÌÐò°¡??(²»ÐèÒªSEHLLµÄ),Èç¹ûÊØ»¤½ø³Ì,²»´æÔÚ,¾Í°ÑÊØ»¤½ø³ÌÆðÀ´,лл´ó¼ÒµÄÖ¸½ÌÁË.