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Windows: Avoid concurrent access to sysinfo

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2016-11-08 17:52:38 -08:00
parent 383a2f046b
commit 54e09aa4e2
1 changed files with 2 additions and 2 deletions
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4
pkg/platform/architecture_windows.go
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@ -34,10 +34,9 @@ const (
ProcessorArchitectureArm = 5 // PROCESSOR_ARCHITECTURE_ARM
)
var sysinfo systeminfo
// runtimeArchitecture gets the name of the current architecture (x86, x86_64, …)
func runtimeArchitecture() (string, error) {
var sysinfo systeminfo
syscall.Syscall(procGetSystemInfo.Addr(), 1, uintptr(unsafe.Pointer(&sysinfo)), 0, 0)
switch sysinfo.wProcessorArchitecture {
case ProcessorArchitecture64, ProcessorArchitectureIA64:
@ -53,6 +52,7 @@ func runtimeArchitecture() (string, error) {
// NumProcs returns the number of processors on the system
func NumProcs() uint32 {
var sysinfo systeminfo
syscall.Syscall(procGetSystemInfo.Addr(), 1, uintptr(unsafe.Pointer(&sysinfo)), 0, 0)
return sysinfo.dwNumberOfProcessors
}