reactos

mirror of https://github.com/ApfelTeeSaft/reactos.git synced 2026-08-26 19:33:31 +00:00

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Hermès Bélusca-Maïto 2eb28656da [WIN32SS:NTUSER] Improve initialization of window station and desktop objects

As soon as `ObCreateObject()` is successfully invoked, zero-out the winsta
and desktop object buffers and assign them the current process session ID
(into their first `dwSessionId` member). Only then, continue with regular
initialization.

It's done in this systematic way in order to ensure that, in case the
regular initialization of these objects fails and `ObDereferenceObject()`
is invoked, the `nt!ExpWin32SessionCallout()` routine (in `ntoskrnl/ex/win32k.c`)
that is executed as part of the Win32 "delete" object callback registered
by win32k.sys with the Object Manager, correctly finds a valid initialized
`SessionId` value in the "common header" of either the window station
or the desktop object being deleted.

As a side-result, other parts of win32k can directly refer to
`pdesk->dwSessionId` instead of `pdesk->rpwinstaParent->dwSessionId`
for a given desktop.

2026-06-23 21:28:10 +02:00

drivers

[REACTOS] Stop using non-conforming swprintf / vswprintf

2026-05-07 06:27:58 +00:00

gdi

[NTGDI][POLYTEST] Use newx1 as the lower bound in polyfill line-touch test (#9118 )

2026-06-08 16:42:33 +03:00

include

[WIN32SS][SDK] ImmGetHotKey's 4th parameter is optional (#8557 )

2026-01-04 07:57:21 +09:00

printing

[REACTOS] Stop using non-conforming swprintf / vswprintf