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5 Commits

Author SHA1 Message Date
Alex Brainman
4b90ce9b60 windows/svc: align stack in servicemain before calling syscall 
I noticed that we call syscall in servicemain without aligning stack.
That is against Windows rules, so align the stack as required.

I tried running this code with specifically non-aligned stack (I aligned
stack, and then subtracted 1 from SP) on my Windows 10 to test this
change. But it makes no difference on my Windows 10 PC - I built and run
golang.org/x/sys/windows/svc/example, and it runs successfully
regardless of stack alignment. But alignment might make difference on
other computers.

Maybe fixes golang/go#40160

Change-Id: I351f7f730fba4aa6dc409a79de4ad737b4a0a7d4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/246317
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
 2020-08-02 09:19:54 +00:00
Alex Brainman
12036c158a windows/svc: add Context to ChangeRequest 
New Context field will be used in the following CL to test
ctlHandler parameter alignments.

Also adjust TestExample to pass hard coded Context value of 123456
to test service, and verify that correct value is logged. Final
part of the test is commented out, and will be adjusted in the next
CL.

Updates golang/go#25660

Change-Id: Iad2896ae497ee1edc0d62655eaf08671ec2651c5
Reviewed-on: https://go-review.googlesource.com/c/158697
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2019-03-02 02:54:30 +00:00
Alex Brainman
78d5f264b4 windows/svc: correct MOVL instruction in sys_amd64.s 
Second argument of servicemain is a pointer. See

https://msdn.microsoft.com/en-us/library/windows/desktop/ms685138(v=vs.85).aspx

So amd64 assembler code should use MOVQ to read that value.
I probably copied 386 assembler code into amd64 and did not
adjust the code.

Broken code was used to pass parameters to the service, so
add some tests to verify that parameter passing works.

Fixes golang/go#24575

Change-Id: I89f8cad026ea13f8a5d78ff3e24b7236e27fc91f
Reviewed-on: https://go-review.googlesource.com/110160
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
 2018-05-01 09:27:40 +00:00
Julian Pastarmov
e62c3de784 windows: use RegisterServiceCtrlHandlerEx to allow for advanced notifications 
This allows services written with this library to register for more
advanced notifications like SERVICE_CONTROL_DEVICEEVENT for example.

Also the code now exposes the service status handle through a new
api call, because the handle is needed to register for such
notifications and can not be obtained by any other means.

Change-Id: I80796e1dd9d94ec9d6c236d0413b17288c67fe1f
Reviewed-on: https://go-review.googlesource.com/42812
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
 2017-05-18 05:52:01 +00:00
Alex Brainman
65705ef9e9 windows/svc: add new package to help create and manage Windows services 
Change-Id: I58bb446aaa387b31d8a9ff4217793a170b96a7e2
Reviewed-on: https://go-review.googlesource.com/9104
Reviewed-by: Rob Pike <r@golang.org>
 2015-05-01 05:26:56 +00:00