/*
 * Copyright 2003-2012 Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _SYS_RESOURCE_H
#define _SYS_RESOURCE_H


#include <config/types.h>

#include <sys/cdefs.h>
#include <sys/time.h>


/* getrlimit()/setrlimit() definitions */

typedef __haiku_addr_t rlim_t;

struct rlimit {
        rlim_t  rlim_cur;               /* current soft limit */
        rlim_t  rlim_max;               /* hard limit */
};

/* ToDo: the only supported mode is RLIMIT_NOFILE right now */
#define RLIMIT_CORE             0       /* size of the core file */
#define RLIMIT_CPU              1       /* CPU time per team */
#define RLIMIT_DATA             2       /* data segment size */
#define RLIMIT_FSIZE    3       /* file size */
#define RLIMIT_NOFILE   4       /* number of open files */
#define RLIMIT_STACK    5       /* stack size */
#define RLIMIT_AS               6       /* address space size */
/* Haiku-specifics */
#define RLIMIT_NOVMON   7       /* number of open vnode monitors */

#define RLIM_NLIMITS    8       /* number of resource limits */

#define RLIM_INFINITY   (0xffffffffUL)
#define RLIM_SAVED_MAX  RLIM_INFINITY
#define RLIM_SAVED_CUR  RLIM_INFINITY


/* getrusage() definitions */

struct rusage {
        struct timeval ru_utime;        /* user time used */
        struct timeval ru_stime;        /* system time used */

        /* unused, only for compatibility with other systems */
        long    ru_maxrss;
        long    ru_ixrss;
        long    ru_idrss;
        long    ru_isrss;
        long    ru_minflt;
        long    ru_majflt;
        long    ru_nswap;
        long    ru_inblock;
        long    ru_oublock;
        long    ru_msgsnd;
        long    ru_msgrcv;
        long    ru_nsignals;
        long    ru_nvcsw;
        long    ru_nivcsw;
};

#define RUSAGE_SELF     0
#define RUSAGE_CHILDREN -1


/* getpriority()/setpriority() definitions */

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


__BEGIN_DECLS

extern int getrusage(int who, struct rusage *rusage);

extern int getrlimit(int resource, struct rlimit * rlp);
extern int setrlimit(int resource, const struct rlimit * rlp);

extern int getpriority(int which, id_t who);
extern int setpriority(int which, id_t who, int priority);

__END_DECLS

#endif  /* _SYS_RESOURCE_H */