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 #define RUSAGE_THREAD 1 /* only the calling thread */ 23 24 struct 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 43 struct 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 73 int getrusage(struct task_struct *p, int who, struct rusage __user *ru); 74 75 #endif 76