root/include/uapi/linux/resource.h

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INCLUDED FROM

#ifndef _UAPI_LINUX_RESOURCE_H
#define _UAPI_LINUX_RESOURCE_H

#include <linux/time.h>
#include <linux/types.h>

/*
 * Resource control/accounting header file for linux
 */

/*
 * Definition of struct rusage taken from BSD 4.3 Reno
 * 
 * We don't support all of these yet, but we might as well have them....
 * Otherwise, each time we add new items, programs which depend on this
 * structure will lose.  This reduces the chances of that happening.
 */
#define RUSAGE_SELF     0
#define RUSAGE_CHILDREN (-1)
#define RUSAGE_BOTH     (-2)            /* sys_wait4() uses this */
#define RUSAGE_THREAD   1               /* only the calling thread */

struct  rusage {
        struct timeval ru_utime;        /* user time used */
        struct timeval ru_stime;        /* system time used */
        __kernel_long_t ru_maxrss;      /* maximum resident set size */
        __kernel_long_t ru_ixrss;       /* integral shared memory size */
        __kernel_long_t ru_idrss;       /* integral unshared data size */
        __kernel_long_t ru_isrss;       /* integral unshared stack size */
        __kernel_long_t ru_minflt;      /* page reclaims */
        __kernel_long_t ru_majflt;      /* page faults */
        __kernel_long_t ru_nswap;       /* swaps */
        __kernel_long_t ru_inblock;     /* block input operations */
        __kernel_long_t ru_oublock;     /* block output operations */
        __kernel_long_t ru_msgsnd;      /* messages sent */
        __kernel_long_t ru_msgrcv;      /* messages received */
        __kernel_long_t ru_nsignals;    /* signals received */
        __kernel_long_t ru_nvcsw;       /* voluntary context switches */
        __kernel_long_t ru_nivcsw;      /* involuntary " */
};

struct rlimit {
        __kernel_ulong_t        rlim_cur;
        __kernel_ulong_t        rlim_max;
};

#define RLIM64_INFINITY         (~0ULL)

struct rlimit64 {
        __u64 rlim_cur;
        __u64 rlim_max;
};

#define PRIO_MIN        (-20)
#define PRIO_MAX        20

#define PRIO_PROCESS    0
#define PRIO_PGRP       1
#define PRIO_USER       2

/*
 * Limit the stack by to some sane default: root can always
 * increase this limit if needed..  8MB seems reasonable.
 */
#define _STK_LIM        (8*1024*1024)

/*
 * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
 * and other sensitive information are never written to disk.
 */
#define MLOCK_LIMIT     ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)

/*
 * Due to binary compatibility, the actual resource numbers
 * may be different for different linux versions..
 */
#include <asm/resource.h>


#endif /* _UAPI_LINUX_RESOURCE_H */
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