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v/vlib/runtime/runtime.v
2020-02-08 17:01:10 +01:00

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V

// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module runtime
import os
//$if linux {
fn C.sysconf(name int) i64
//}
//$if windows {
fn C.GetCurrentProcessorNumber() u32
//}
pub fn nr_cpus() int {
$if windows {
return nr_cpus_win()
}
return nr_cpus_nix()
}
pub fn nr_jobs() int {
mut cpus := nr_cpus()
// allow for overrides, for example using `VJOBS=32 ./v test .`
vjobs := os.getenv('VJOBS').int()
if vjobs > 0 {
cpus = vjobs
}
return cpus
}
pub fn is_32bit() bool {
mut x := false
$if x32 { x = true }
return x
}
pub fn is_64bit() bool {
mut x := false
$if x64 { x = true }
return x
}
pub fn is_little_endian() bool {
mut x := false
$if little_endian { x = true }
return x
}
pub fn is_big_endian() bool {
mut x := false
$if big_endian { x = true }
return x
}