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/* /usr/include/sys/resource.h */
/* Kinds of resource limit. */
enum rlimit_resource
{
/* Per-process CPU limit, in seconds. */
RLIMIT_CPU = 0,
/* Largest file that can be created, in bytes. */
RLIMIT_FSIZE = 1,
/* Maximum size of data segment, in bytes. */
RLIMIT_DATA = 2,
/* Maximum size of stack segment, in bytes. */
RLIMIT_STACK = 3,
/* Largest core file that can be created, in bytes. */
RLIMIT_CORE = 4,
/* Largest resident set size, in bytes.
This affects swapping; processes that are exceeding their
resident set size will be more likely to have physical memory
taken from them. */
RLIMIT_RSS = 5,
/* Number of open files. */
RLIMIT_NOFILE = 7,
RLIMIT_OFILE = RLIMIT_NOFILE, /* BSD name for same. */
/* Address space limit. */
RLIMIT_AS = 9,
/* Number of processes. */
RLIMIT_NPROC = 6,
/* Locked-in-memory address space. */
RLIMIT_MEMLOCK = 8,
/* Maximum number of file locks. */
RLIMIT_LOCKS = 10,
/* Maximum number of pending signals. */
RLIMIT_SIGPENDING = 11,
/* Maximum bytes in POSIX message queues. */
RLIMIT_MSGQUEUE = 12,
/* Maximum nice priority allowed to raise to.
Nice levels 19 .. -20 correspond to 0 .. 39
values of this resource limit. */
RLIMIT_NICE = 13,
/* Maximum realtime priority allowed for non-priviledged
processes. */
LIMIT_RTPRIO = 14,
RLIMIT_NLIMITS = 15
};
/* Whose usage statistics do you want? */
enum rusage_who
{
/* The calling process. */
RUSAGE_SELF = 0,
/* All of its terminated child processes. */
RUSAGE_CHILDREN = -1,
/* The calling thread. */
RUSAGE_THREAD = 1
};
enum priority_which
{
PRIO_PROCESS = 0, /* WHO is a process ID. */
PRIO_PGRP = 1, /* WHO is a process group ID. */
PRIO_USER = 2 /* WHO is a user ID. */
};
extern int getrlimit(int resource = rlimit_resource, void *rlimits);
extern int getrlimit64(int resource = rlimit_resource, void *rlimits);
extern int setrlimit(int resource = rlimit_resource, void *rlimits);
extern int setrlimit64(int resource = rlimit_resource, void *rlimits);
extern int getrusage(int who = rusage_who, void *usage);
extern int getpriority(int which = priority_which, int who);
extern int setpriority (int which = priority_which, int who, int prio);
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