4lDO2
105 lines
2.6 KiB
Rust
105 lines
2.6 KiB
Rust
//! sys/resource.h implementation for Redox, following
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//! http://pubs.opengroup.org/onlinepubs/7908799/xsh/sysresource.h.html
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use crate::{
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error::ResultExt,
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header::sys_time::timeval,
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platform::{types::*, Pal, Sys},
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};
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// Exported in bits file
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// const RUSAGE_SELF: c_int = 0;
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// const RUSAGE_CHILDREN: c_int = -1;
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// const RUSAGE_BOTH: c_int = -2;
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// const RUSAGE_THREAD: c_int = 1;
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pub const RLIM_INFINITY: u64 = 0xFFFF_FFFF_FFFF_FFFF;
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pub const RLIM_SAVED_CUR: u64 = RLIM_INFINITY;
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pub const RLIM_SAVED_MAX: u64 = RLIM_INFINITY;
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pub const RLIMIT_CPU: u64 = 0;
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pub const RLIMIT_FSIZE: u64 = 1;
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pub const RLIMIT_DATA: u64 = 2;
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pub const RLIMIT_STACK: u64 = 3;
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pub const RLIMIT_CORE: u64 = 4;
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pub const RLIMIT_RSS: u64 = 5;
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pub const RLIMIT_NPROC: u64 = 6;
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pub const RLIMIT_NOFILE: u64 = 7;
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pub const RLIMIT_MEMLOCK: u64 = 8;
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pub const RLIMIT_AS: u64 = 9;
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pub const RLIMIT_LOCKS: u64 = 10;
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pub const RLIMIT_SIGPENDING: u64 = 11;
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pub const RLIMIT_MSGQUEUE: u64 = 12;
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pub const RLIMIT_NICE: u64 = 13;
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pub const RLIMIT_RTPRIO: u64 = 14;
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pub const RLIMIT_NLIMITS: u64 = 15;
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pub type rlim_t = u64;
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#[repr(C)]
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pub struct rlimit {
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pub rlim_cur: rlim_t,
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pub rlim_max: rlim_t,
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}
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#[repr(C)]
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pub struct rusage {
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pub ru_utime: timeval,
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pub ru_stime: timeval,
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pub ru_maxrss: c_long,
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pub ru_ixrss: c_long,
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pub ru_idrss: c_long,
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pub ru_isrss: c_long,
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pub ru_minflt: c_long,
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pub ru_majflt: c_long,
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pub ru_nswap: c_long,
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pub ru_inblock: c_long,
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pub ru_oublock: c_long,
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pub ru_msgsnd: c_long,
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pub ru_msgrcv: c_long,
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pub ru_nsignals: c_long,
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pub ru_nvcsw: c_long,
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pub ru_nivcsw: c_long,
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}
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pub const PRIO_PROCESS: c_int = 0;
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pub const PRIO_PGRP: c_int = 1;
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pub const PRIO_USER: c_int = 2;
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#[no_mangle]
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pub unsafe extern "C" fn getpriority(which: c_int, who: id_t) -> c_int {
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let r = Sys::getpriority(which, who).or_minus_one_errno();
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if r < 0 {
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return r;
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}
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20 - r
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}
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#[no_mangle]
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pub unsafe extern "C" fn setpriority(which: c_int, who: id_t, nice: c_int) -> c_int {
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Sys::setpriority(which, who, nice)
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.map(|()| 0)
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.or_minus_one_errno()
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}
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#[no_mangle]
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pub unsafe extern "C" fn getrlimit(resource: c_int, rlp: *mut rlimit) -> c_int {
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Sys::getrlimit(resource, rlp)
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.map(|()| 0)
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.or_minus_one_errno()
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}
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#[no_mangle]
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pub unsafe extern "C" fn setrlimit(resource: c_int, rlp: *const rlimit) -> c_int {
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Sys::setrlimit(resource, rlp)
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.map(|()| 0)
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.or_minus_one_errno()
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}
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#[no_mangle]
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pub unsafe extern "C" fn getrusage(who: c_int, r_usage: *mut rusage) -> c_int {
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Sys::getrusage(who, &mut *r_usage)
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.map(|()| 0)
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.or_minus_one_errno()
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}
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