1#ifndef _LINUX_RESOURCE_H 2#define _LINUX_RESOURCE_H 3 4#include <linux/time.h> 5 6struct 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#define RUSAGE_THREAD 1 /* only the calling thread */ 23 24struct rusage { 25 struct timeval ru_utime; /* user time used */ 26 struct timeval ru_stime; /* system time used */ 27 long ru_maxrss; /* maximum resident set size */ 28 long ru_ixrss; /* integral shared memory size */ 29 long ru_idrss; /* integral unshared data size */ 30 long ru_isrss; /* integral unshared stack size */ 31 long ru_minflt; /* page reclaims */ 32 long ru_majflt; /* page faults */ 33 long ru_nswap; /* swaps */ 34 long ru_inblock; /* block input operations */ 35 long ru_oublock; /* block output operations */ 36 long ru_msgsnd; /* messages sent */ 37 long ru_msgrcv; /* messages received */ 38 long ru_nsignals; /* signals received */ 39 long ru_nvcsw; /* voluntary context switches */ 40 long ru_nivcsw; /* involuntary " */ 41}; 42 43struct rlimit { 44 unsigned long rlim_cur; 45 unsigned long rlim_max; 46}; 47 48#define PRIO_MIN (-20) 49#define PRIO_MAX 20 50 51#define PRIO_PROCESS 0 52#define PRIO_PGRP 1 53#define PRIO_USER 2 54 55/* 56 * Limit the stack by to some sane default: root can always 57 * increase this limit if needed.. 8MB seems reasonable. 58 */ 59#define _STK_LIM (8*1024*1024) 60 61/* 62 * GPG2 wants 64kB of mlocked memory, to make sure pass phrases 63 * and other sensitive information are never written to disk. 64 */ 65#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) 66 67/* 68 * Due to binary compatibility, the actual resource numbers 69 * may be different for different linux versions.. 70 */ 71#include <asm/resource.h> 72 73int getrusage(struct task_struct *p, int who, struct rusage __user *ru); 74 75#endif 76