Files
QSfera/vendor/github.com/pbnjay/memory/memory_windows.go
T
dependabot[bot]andRalf Haferkamp 8ed9b1a727 build(deps): bump github.com/KimMachineGun/automemlimit
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.4.0 to 0.5.0.
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2024-01-29 12:30:34 +01:00

61 lines
1.3 KiB
Go

// +build windows
package memory
import (
"syscall"
"unsafe"
)
// omitting a few fields for brevity...
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa366589(v=vs.85).aspx
type memStatusEx struct {
dwLength uint32
dwMemoryLoad uint32
ullTotalPhys uint64
ullAvailPhys uint64
unused [5]uint64
}
func sysTotalMemory() uint64 {
kernel32, err := syscall.LoadDLL("kernel32.dll")
if err != nil {
return 0
}
// GetPhysicallyInstalledSystemMemory is simpler, but broken on
// older versions of windows (and uses this under the hood anyway).
globalMemoryStatusEx, err := kernel32.FindProc("GlobalMemoryStatusEx")
if err != nil {
return 0
}
msx := &memStatusEx{
dwLength: 64,
}
r, _, _ := globalMemoryStatusEx.Call(uintptr(unsafe.Pointer(msx)))
if r == 0 {
return 0
}
return msx.ullTotalPhys
}
func sysFreeMemory() uint64 {
kernel32, err := syscall.LoadDLL("kernel32.dll")
if err != nil {
return 0
}
// GetPhysicallyInstalledSystemMemory is simpler, but broken on
// older versions of windows (and uses this under the hood anyway).
globalMemoryStatusEx, err := kernel32.FindProc("GlobalMemoryStatusEx")
if err != nil {
return 0
}
msx := &memStatusEx{
dwLength: 64,
}
r, _, _ := globalMemoryStatusEx.Call(uintptr(unsafe.Pointer(msx)))
if r == 0 {
return 0
}
return msx.ullAvailPhys
}