tree 54b39f0affedf60fa55aee49c028b572c0300832
parent 93c9922d18aeb82498a065f07aec7ad7fa60dfb7
author Takuto Ikuta <tikuta@google.com> 1560242226 +0900
committer Alex Brainman <alex.brainman@gmail.com> 1560419365 +0000

windows: add GetProcessId function

ref:
https://docs.microsoft.com/en-us/windows/desktop/api/processthreadsapi/nf-processthreadsapi-getprocessid

Document does not say anything about return value, but when I use 0 for HANDLE, GetProcessId
returns 0 with ERROR_INVALID_HANDLE from GetLastError().

Change-Id: Ib6782ccd5a4917e93ddbcf18c533921b12c67e3b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/180924
Reviewed-by: Marc-Antoine Ruel <maruel@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>