33 lines
602 B
V
33 lines
602 B
V
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module runtime
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import os
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//$if linux {
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fn C.sysconf(name int) i64
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//}
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//$if windows {
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fn C.GetCurrentProcessorNumber() u32
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//}
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pub fn nr_cpus() int {
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$if linux {
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return int(C.sysconf(C._SC_NPROCESSORS_ONLN))
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}
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$if mac {
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return int(C.sysconf(C._SC_NPROCESSORS_ONLN))
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}
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$if windows {
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mut nr := int(C.GetCurrentProcessorNumber())
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if nr == 0 {
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nr = os.getenv('NUMBER_OF_PROCESSORS').int()
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}
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return nr
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}
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return 1
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}
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