diff options
Diffstat (limited to 'js/src/threading/windows/CpuCount.cpp')
-rw-r--r-- | js/src/threading/windows/CpuCount.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/threading/windows/CpuCount.cpp b/js/src/threading/windows/CpuCount.cpp new file mode 100644 index 0000000000..8ec83dd7e3 --- /dev/null +++ b/js/src/threading/windows/CpuCount.cpp @@ -0,0 +1,20 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "threading/CpuCount.h" + +#include "util/Windows.h" + +uint32_t js::GetCPUCount() { + static uint32_t ncpus = 0; + + if (ncpus == 0) { + SYSTEM_INFO sysinfo; + GetSystemInfo(&sysinfo); + ncpus = uint32_t(sysinfo.dwNumberOfProcessors); + } + + return ncpus; +} |