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