Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Linux½¨Á¢Ê¹ÓÃÏÞÖÆ¼°getrlimitºÍsetrlimitº¯Êý

ÕâÒ»²¿·ÖµÄÌá³öÊÇΪÁË·Àֹʧ¿ØµÄ½ø³ÌÆÆ»µÏµÍ³µÄÐÔÄÜ
nuixºÍLinux¸ú×Ù½ø³ÌʹÓõĴ󲿷Ö×ÊÔ´£¬ÔÊÐíÓû§ºÍϵͳ¹ÜÀíԱʹÓöԽø³ÌµÄ×ÊÔ´ÏÞÖÆ
 ÉèÖõÄÏÞÖÆÓÐÁ½ÖÖ£º Ó²ÏÞÖÆºÍÈíÏÞÖÆ
Ó²ÏÞÖÆÊÇ¿ÉÒÔÔÚÈκÎʱºòÈκνø³ÌÖÐÉèÖà µ«Ó²ÏÞÖÆÖ»ÄÜÓɳ¬¼¶Óû§ÌáÆð
ÈíÏÞÖÆÊÇÄÚºËʵ¼ÊÖ´ÐеÄÏÞÖÆ£¬Èκνø³Ì¶¼¿ÉÒÔ½«ÈíÏÞÖÆÉèÖÃΪÈÎÒâСÓÚµÈÓÚ¶Ô½ø³ÌÏÞÖÆµÄÓ²ÏÞÖÆµÄÖµ
———————ÒÔÏÂÄÚÈÝÎª×ªÔØ£¨Í»È»·¢ÏÖÕâ·½ÃæÓкÃ×ÊÔ´±ãÖ±½ÓÒýÓÃÁË£©—————————
getrlimitºÍsetrlimitº¯Êý
¡¡¡¡Ã¿¸ö½ø³Ì¶¼ÓÐÒ»×é×ÊÔ´ÏÞÖÆ£¬ÆäÖÐijһЩ¿ÉÒÔÓÃgetrlimitºÍsetrlimitº¯Êý²éѯºÍ¸ü¸Ä¡£
#include
#include
int getrlimit(int resource,struct rlimit *rlptr);
int setrlimit(int resource,const struct rlimit rlptr);
Both return: 0 if OK,nonzero on errorÁ½¸öº¯Êý
¡¡¡¡·µ»Ø£ºÈô³É¹¦Îª0£¬³ö´íΪ·Ç0
¡¡¡¡¶ÔÕâÁ½¸öº¯ÊýµÄÿһ´Îµ÷Óö¼Ö¸¶¨Ò»¸ö×ÊÔ´ÒÔ¼°Ò»¸öÖ¸ÏòÏÂÁнṹµÄÖ¸Õë¡£
struct rlimit{
rlim rlim ur;/* ÈíÏÞÖÆ£ºµ±Ç°ÏÞÖÆ */
rlim rlim ax;£¯* Ó²ÏÞÖÆ£ºrlimcurµÄ×î´óÖµ */
}£»
¡¡¡¡ÕâÁ½¸öº¯Êý²»ÊôÓÚPOSIX.1£¬µ«SVR4ºÍ4.3+BSDÌṩËüÃÇ¡£SVR4ÔÚÉÏÃæµÄ½á¹¹ÖÐʹÓûù±¾ÏµÍ³Êý¾ÝÀàÐÍrlim¡£ÆäËüϵͳÔò½«Õâ
Á½¸ö³ÉÔ±¶¨ÒåΪÕûÐÍ»ò³¤ÕûÐÍ¡£
¡¡¡¡½ø³ÌµÄ×ÊÔ´ÏÞÖÆÍ¨³£ÊÇÔÚϵͳ³õÆôʱÓÉ0#½ø³Ì½¨Á¢µÄ£¬È»ºóÓɺóÐø½ø³Ì¼Ì³Ð¡£ÔÚSVR4ÖУ¬ÏµÍ³Ä¬ÈÏÖµ¿ÉÒԲ鿴ÎÄ
¼þ/etc/conf/cfd/mtuneÔÚ4.3+BSDÖУ¬ÏµÍ³Ä¬ÈÏÖµ·ÖÉ¢ÔÚ¶à¸öÍ·ÎļþÖС£
¡¡¡¡ÔÚ¸ü¸Ä×ÊÔ´ÏÞÖÆÊ±£¬Ðë×ñÑ­ÏÂÁÐÈýÌõ¹æÔò£º
¡¡¡¡1.ÈκÎÒ»¸ö½ø³Ì¶¼¿É½«Ò»¸öÈíÏÞÖÆ¸ü¸ÄΪСÓÚ»òµÈÓÚÆäÓ²ÏÞÖÆ¡£
¡¡¡¡2.ÈκÎÒ»¸ö½ø³Ì¶¼¿É½µµÍÆäÓ²ÏÞÖÆÖµ£¬µ«Ëü±ØÐë´óÓÚ»òµÈÓÚÆäÈíÏÞÖÆÖµ¡£ÕâÖÖ½µµÍ£¬¶ÔÆÕͨÓû§¶øÑÔÊDz»¿ÉÄæ·´µÄ¡£
¡¡¡¡3.Ö»Óг¬¼¶Óû§¿ÉÒÔÌá¸ßÓ²ÏÞÖÆ¡£
¡¡¡¡Ò»¸öÎÞÏÞÁ¿µÄÏÞÖÆÓɳ£ÊýRLIM NFINITYÖ¸¶¨¡£
¡¡¡¡ÕâÁ½¸öº¯ÊýµÄresource²ÎÊýÈ¡ÏÂÁÐÖµÖ®Ò»¡£×¢Òâ²¢·ÇËùÓÐ×ÊÔ´ÏÞÖÆ¶¼Êܵ½SVR4ºÍ4.3+BSDµÄÖ§³Ö¡£
¡¡¡¡RLMITCORE£¨SVR4¼°4.3+BSD)coreÎļþµÄ×î´ó×Ö½ÚÊý£¬ÈôÆäֵΪ0Ôò×èÖ¹´´½¨coreÎļþ¡£
¡¡¡¡RLIMIT PU(SVR4¼°4.3+BSD)CPUʱ¼äµÄ×î´óÁ¿Öµ(Ãë)£¬µ±³¬¹ý´ËÈíÏÞֹʱ£¬Ïò¸Ã½ø³Ì·¢ËÍSIGXCPUÐźš£
¡¡¡¡RLIMIT ATA(SVR4¼°4.3+BSD)Êý¾Ý¶ÎµÄ×î´ó×Ö½Ú³¤¶È¡£ÕâÊÇͼ7.3Öгõʼ»¯Êý¾Ý¡¢·Ç³õʼ»¯Êý¾ÝÒÔ¼°¶ÑµÄ×ܺ͡£
¡¡¡¡RLIMIT SIZE(SVR4¼°4.3+


Ïà¹ØÎĵµ£º

dz̸UnixºÍLinuxϵÄint

ÕâÒ²ËãºÍƽͬѧµÄµãÌâ×÷ÎÄÁË£¬ºÇºÇ¡£
Ëû¶ÔÓÚLinuxϺܶàʱºò£¬apiº¯Êý´óÁ¿Ê¹ÓÃint×÷Ϊ³£ÓÃÀàÐ͸е½²»½â£¬ÎÊÎÒ£¬ÎÒÄØ£¬¾ÍÊÔׯشðһϹþ¡£
Ô­ÌûÔÚÕâÀhttp://student.csdn.net/space.php?uid=121080&do=thread&id=9168
ÎÊÌâÈçÏ£º
¸ù¾Ý<c++ primer>½¨Ò飬±íʾÏñ“ÈÝÁ¿”ÕâÑùµÄ±äÁ¿Ê±£¬ÒòΪ²»¿ ......

LINUXÏÂUSB1.1É豸ѧϰС¼Ç(2)_ЭÒé


LINUXÏÂUSB1.1É豸ѧϰС¼Ç(2)_ЭÒé
 
 
USBЭÒé:
ÏÈ¿´USB½Ó¿Ú
¿ÉÒÔ¿´³ö,ÔÚUSBʹÓÃÁË4¸ùÏß,·Ö±ðΪµçÔ´Ïß,µØÏß,ÐźÅÏߺͲî·ÖÐźÅÏß
²î·ÖÐźÅÏßÓÃÓÚ¼ì²âÐźÅÏߵĴ«ÊäÊÇ·ñÕýÈ·
ÏÂÃæÎÒÃÇÖ»¹Ø×¢ÐźÅÏß
È»ºóÊÇUSBµÄ´®¿Ú´«Êä
ÔÚ´®¿Ú´«ÊäÖÐ,ÓÉÓÚËùÓеÄÐźŹ²ÓÃÒ»¸ùÊý¾ÝÏß,ËùÒÔ²»½öÓÐÏÈÀ´ºóµ½µÄÎÊÌâ,¶øÇÒÔÚÒ»¸ ......

Linux³ÌÐò²ÎÊý

Linux³ÌÐò²ÎÊý°üÀ¨Á½²¿·Ö£º ÃüÁîÐвÎÊýºÍ»·¾³±äÁ¿
ÃüÁîÐвÎÊý´«µÝ¸ømianº¯Êý  int mian (int argc,char *argv[])
»·¾³±äÁ¿  extern char *environ[]
»ñµÃ»·¾³±äÁ¿µÄº¯Êý£º const char* getenv(const char* name)
ÉèÖû·¾³±äÁ¿µÄº¯Êý£º
        £¨1£©int putent (const c ......

linuxÃüÁîÊÖ²á


 
·½±ãµÄlinuxÃüÁîÊÖ²á
 
À´Ô´: ChinaUnix²©¿Í ¡¡ÈÕÆÚ£º 2006.07.24 00:31¡¡(¹²ÓÐ0ÌõÆÀÂÛ) ÎÒÒªÆÀÂÛ
 
NO
·ÖÀà
PS1
ÃüÁîÃû
Ó÷¨¼°²ÎÊý
¹¦ÄÜ×¢½â
¶ÔÓ¦Õ½Ú
1
Îļþ¹ÜÀí
#
ls
ls -a
Áгöµ±Ç°Ä¿Â¼ÏµÄËùÓÐÎļþ£¬°üÀ¨ÒÔ.Í·µÄÒþº¬Îļþ
Îļþ¹ÜÀí
#
ls
ls -l»òll
Áгöµ±Ç°Ä¿Â¼ÏÂÎļþµÄÏêϸР......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ