#ifndef _SYS_RESOURCE_H_
#define _SYS_RESOURCE_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/time.h>

#define RUSAGE_SELF     0
#define RUSAGE_CHILDREN -1

struct rusage {
    struct timeval ru_utime;
    struct timeval ru_stime;
};

int getrusage(int, struct rusage*);

/* Priority constants */
#define PRIO_PROCESS 0
#define PRIO_PGRP    1
#define PRIO_USER    2

int getpriority(int which, int who);
int setpriority(int which, int who, int prio);

/* Resource limits */
typedef unsigned long rlim_t;

#define RLIM_INFINITY (~(rlim_t)0)
#define RLIM_SAVED_MAX RLIM_INFINITY
#define RLIM_SAVED_CUR RLIM_INFINITY

#define RLIMIT_CPU     0
#define RLIMIT_FSIZE   1
#define RLIMIT_DATA    2
#define RLIMIT_STACK   3
#define RLIMIT_CORE    4
#define RLIMIT_RSS     5
#define RLIMIT_NPROC   6
#define RLIMIT_NOFILE  7
#define RLIMIT_MEMLOCK 8
#define RLIMIT_AS      9
#define RLIMIT_LOCKS   10
#define RLIMIT_SIGPENDING 11
#define RLIMIT_MSGQUEUE   12
#define RLIMIT_NICE       13
#define RLIMIT_RTPRIO     14
#define RLIMIT_NLIMITS    15

struct rlimit {
    rlim_t rlim_cur;
    rlim_t rlim_max;
};

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

#ifdef __cplusplus
}
#endif
#endif /* !_SYS_RESOURCE_H_ */