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duplicity-backup/vendor/github.com/nightlyone/lockfile/lockfile_windows.go
Knut Ahlers 6275a80c3f
Deps: Update dependencies
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2018-10-08 15:14:49 +02:00

30 lines
594 B
Go

package lockfile
import (
"syscall"
)
//For some reason these consts don't exist in syscall.
const (
error_invalid_parameter = 87
code_still_active = 259
)
func isRunning(pid int) (bool, error) {
procHnd, err := syscall.OpenProcess(syscall.PROCESS_QUERY_INFORMATION, true, uint32(pid))
if err != nil {
if scerr, ok := err.(syscall.Errno); ok {
if uintptr(scerr) == error_invalid_parameter {
return false, nil
}
}
}
var code uint32
err = syscall.GetExitCodeProcess(procHnd, &code)
if err != nil {
return false, err
}
return code == code_still_active, nil
}