90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
#ifndef _LINUX_RESOURCE_H
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#define _LINUX_RESOURCE_H
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#include <linux/time.h>
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#include <linux/types.h>
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/*
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* Resource control/accounting header file for linux
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*/
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/*
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* Definition of struct rusage taken from BSD 4.3 Reno
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*
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* We don't support all of these yet, but we might as well have them....
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* Otherwise, each time we add new items, programs which depend on this
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* structure will lose. This reduces the chances of that happening.
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*/
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#define RUSAGE_SELF 0
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#define RUSAGE_CHILDREN (-1)
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#define RUSAGE_BOTH (-2) /* sys_wait4() uses this */
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#define RUSAGE_THREAD 1 /* only the calling thread */
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struct rusage {
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struct timeval ru_utime; /* user time used */
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struct timeval ru_stime; /* system time used */
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long ru_maxrss; /* maximum resident set size */
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long ru_ixrss; /* integral shared memory size */
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long ru_idrss; /* integral unshared data size */
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long ru_isrss; /* integral unshared stack size */
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long ru_minflt; /* page reclaims */
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long ru_majflt; /* page faults */
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long ru_nswap; /* swaps */
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long ru_inblock; /* block input operations */
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long ru_oublock; /* block output operations */
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long ru_msgsnd; /* messages sent */
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long ru_msgrcv; /* messages received */
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long ru_nsignals; /* signals received */
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long ru_nvcsw; /* voluntary context switches */
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long ru_nivcsw; /* involuntary " */
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};
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struct rlimit {
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unsigned long rlim_cur;
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unsigned long rlim_max;
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};
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#define RLIM64_INFINITY (~0ULL)
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struct rlimit64 {
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__u64 rlim_cur;
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__u64 rlim_max;
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};
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#define PRIO_MIN (-20)
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#define PRIO_MAX 20
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#define PRIO_PROCESS 0
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#define PRIO_PGRP 1
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#define PRIO_USER 2
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/*
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* Limit the stack by to some sane default: root can always
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* increase this limit if needed.. 8MB seems reasonable.
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*/
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#define _STK_LIM (8*1024*1024)
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/*
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* GPG2 wants 64kB of mlocked memory, to make sure pass phrases
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* and other sensitive information are never written to disk.
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*/
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#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
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/*
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* Due to binary compatibility, the actual resource numbers
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* may be different for different linux versions..
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*/
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#include <asm/resource.h>
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#ifdef __KERNEL__
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struct task_struct;
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int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
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int do_prlimit(struct task_struct *tsk, unsigned int resource,
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struct rlimit *new_rlim, struct rlimit *old_rlim);
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#endif /* __KERNEL__ */
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#endif
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