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struct rlimit {
unsigned long rlim_cur;
unsigned long rlim_max;
};
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#ifndef __ARCH_RLIMIT_ORDER
#define RLIMIT_CPU 0 /* CPU time in ms */½ø³ÌʹÓÃcpu×ʱ¼ä£¨Ã룩¡£½ø³Ì³¬¹ýÁËÕâ¸öÏÞÖÆ£¬Äں˾͸øËü·¢ËÍÒ»¸öSIGXCPUÐźţ¬È»ºóÈç¹û½ø³Ì»¹²»ÖÕÖ¹£¬ÔÙ·¢Ò»¸öSIGKLLÐźš£
#define RLIMIT_FSIZE 1 /* Maximum filesize */Îļþ´óСµÄ×î´óÊýÖµ£¨×Ö½Ú£©¡£Èç¹û½ø³ÌÊÔͼ°ÑÒ»¸öÎļþµÄ´óСÀ©³äµ½´óÓÚÕâ¸öÖµ£¬Äں˾͸øÕâ¸ö½ø³Ì·¢SIGXFSZÐźš£
#define RLIMIT_DATA 2 /* max data size */¶Ñ´óСµÄ×î´óÊýÖµ£¨×Ö½Ú£©¡£ÔÚÀ©³ä½ø³ÌµÄ¶Ñ֮ǰ£¬Äں˼ì²éÕâ¸öÊýÖµ¡£
#define RLIMIT_STACK 3 /* max stack size */Õ»´óСµÄ×î´óÊý£¨×Ö½Ú£©¡£ÄÚºËÔÚÀ©³ä½ø³ÌµÄÓû§Ì¬¶Ñջ֮ǰ¼ì²éÕâ¸öÊýÖµ¡£
#define RLIMIT_CORE 4 /* m
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