Alexandre Julliard : ntdll: Implement RtlIsCurrentProcess/Thread.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 959dea0c09201683582cda47b666edc1d5eb9c57
URL:    https://gitlab.winehq.org/wine/wine/-/commit/959dea0c09201683582cda47b666edc...

Author: Alexandre Julliard 
Date:   Mon Jul  3 22:14:51 2023 +0200

ntdll: Implement RtlIsCurrentProcess/Thread.

---

dlls/ntdll/ntdll.spec | 2 ++
 dlls/ntdll/process.c  | 9 +++++++++
 dlls/ntdll/thread.c   | 9 +++++++++
 include/winternl.h    | 2 ++
 4 files changed, 22 insertions(+)

diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 4471a5e59d4..2be318b128a 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -835,6 +835,8 @@
 @ stdcall RtlIsActivationContextActive(ptr)
 @ stdcall RtlIsCriticalSectionLocked(ptr)
 @ stdcall RtlIsCriticalSectionLockedByThread(ptr)
+@ stdcall RtlIsCurrentProcess(long)
+@ stdcall RtlIsCurrentThread(long)
 @ stdcall RtlIsDosDeviceName_U(wstr)
 @ stdcall -arch=x86_64 -norelay RtlIsEcCode(ptr)
 @ stub RtlIsGenericTableEmpty
diff --git a/dlls/ntdll/process.c b/dlls/ntdll/process.c
index 0b4245fdd42..3f78559d8df 100644
--- a/dlls/ntdll/process.c
+++ b/dlls/ntdll/process.c
@@ -49,6 +49,15 @@ PEB * WINAPI RtlGetCurrentPeb(void)
 }

+/******************************************************************************
+ *              RtlIsCurrentProcess  (NTDLL.@)
+ */
+BOOLEAN WINAPI RtlIsCurrentProcess( HANDLE handle )
+{
+    return handle == NtCurrentProcess() || !NtCompareObjects( handle, NtCurrentProcess() );
+}
+
+
 /******************************************************************
  *		RtlWow64EnableFsRedirection   (NTDLL.@)
  */
diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index 15a686738ff..01733585a75 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -463,6 +463,15 @@ TEB_ACTIVE_FRAME * WINAPI RtlGetFrame(void)
 }

+/******************************************************************************
+ *              RtlIsCurrentThread  (NTDLL.@)
+ */
+BOOLEAN WINAPI RtlIsCurrentThread( HANDLE handle )
+{
+    return handle == NtCurrentThread() || !NtCompareObjects( handle, NtCurrentThread() );
+}
+
+
 /***********************************************************************
  *           _errno  (NTDLL.@)
  */
diff --git a/include/winternl.h b/include/winternl.h
index 8a8af8fd002..16829442982 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -4650,6 +4650,8 @@ NTSYSAPI NTSTATUS  WINAPI RtlIntegerToUnicodeString(ULONG,ULONG,UNICODE_STRING *
 NTSYSAPI BOOLEAN   WINAPI RtlIsActivationContextActive(HANDLE);
 NTSYSAPI BOOL      WINAPI RtlIsCriticalSectionLocked(RTL_CRITICAL_SECTION *);
 NTSYSAPI BOOL      WINAPI RtlIsCriticalSectionLockedByThread(RTL_CRITICAL_SECTION *);
+NTSYSAPI BOOLEAN   WINAPI RtlIsCurrentProcess(HANDLE);
+NTSYSAPI BOOLEAN   WINAPI RtlIsCurrentThread(HANDLE);
 NTSYSAPI ULONG     WINAPI RtlIsDosDeviceName_U(PCWSTR);
 #ifdef __x86_64__
 NTSYSAPI BOOLEAN   WINAPI RtlIsEcCode(const void*);