1 #ifndef _LINUX_RESOURCE_H 2 #define _LINUX_RESOURCE_H 3 4 #include <linux/time.h> 5 6 struct task_struct; 7 8 /* 9 * Resource control/accounting header file for linux 10 */ 11 12 /* 13 * Definition of struct rusage taken from BSD 4.3 Reno 14 * 15 * We don't support all of these yet, but we might as well have them.... 16 * Otherwise, each time we add new items, programs which depend on this 17 * structure will lose. This reduces the chances of that happening. 18 */ 19 #define RUSAGE_SELF 0 20 #define RUSAGE_CHILDREN (-1) 21 #define RUSAGE_BOTH (-2) /* sys_wait4() uses this */ 22 23 struct rusage { 24 struct timeval ru_utime; /* user time used */ 25 struct timeval ru_stime; /* system time used */ 26 long ru_maxrss; /* maximum resident set size */ 27 long ru_ixrss; /* integral shared memory size */ 28 long ru_idrss; /* integral unshared data size */ 29 long ru_isrss; /* integral unshared stack size */ 30 long ru_minflt; /* page reclaims */ 31 long ru_majflt; /* page faults */ 32 long ru_nswap; /* swaps */ 33 long ru_inblock; /* block input operations */ 34 long ru_oublock; /* block output operations */ 35 long ru_msgsnd; /* messages sent */ 36 long ru_msgrcv; /* messages received */ 37 long ru_nsignals; /* signals received */ 38 long ru_nvcsw; /* voluntary context switches */ 39 long ru_nivcsw; /* involuntary " */ 40 }; 41 42 struct rlimit { 43 unsigned long rlim_cur; 44 unsigned long rlim_max; 45 }; 46 47 #define PRIO_MIN (-20) 48 #define PRIO_MAX 20 49 50 #define PRIO_PROCESS 0 51 #define PRIO_PGRP 1 52 #define PRIO_USER 2 53 54 /* 55 * Limit the stack by to some sane default: root can always 56 * increase this limit if needed.. 8MB seems reasonable. 57 */ 58 #define _STK_LIM (8*1024*1024) 59 60 /* 61 * GPG wants 32kB of mlocked memory, to make sure pass phrases 62 * and other sensitive information are never written to disk. 63 */ 64 #define MLOCK_LIMIT (8 * PAGE_SIZE) 65 66 /* 67 * Due to binary compatibility, the actual resource numbers 68 * may be different for different linux versions.. 69 */ 70 #include <asm/resource.h> 71 72 int getrusage(struct task_struct *p, int who, struct rusage __user *ru); 73 74 #endif 75
