Sebastian Lackner : ntdll: Implement RtlIsCriticalSectionLocked[ByThread].

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7c46763ea786293ad93e44fe0658fbe1bf188a63
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7c46763ea786293ad93e44fe06...

Author: Sebastian Lackner 
Date:   Sat Oct 10 05:39:50 2015 +0200

ntdll: Implement RtlIsCriticalSectionLocked[ByThread].

Signed-off-by: Sebastian Lackner 
Signed-off-by: Alexandre Julliard

---

dlls/ntdll/critsection.c | 37 +++++++++++++++++++++++++++++++++++++
 dlls/ntdll/ntdll.spec    |  2 ++
 dlls/ntdll/tests/rtl.c   |  2 +-
 include/winternl.h       |  2 ++
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/critsection.c b/dlls/ntdll/critsection.c
index 6e0332b..e2eb364 100644
--- a/dlls/ntdll/critsection.c
+++ b/dlls/ntdll/critsection.c
@@ -610,6 +610,43 @@ BOOL WINAPI RtlTryEnterCriticalSection( RTL_CRITICAL_SECTION *crit )

/***********************************************************************
+ *           RtlIsCriticalSectionLocked   (NTDLL.@)
+ *
+ * Checks if the critical section is locked by any thread.
+ *
+ * PARAMS
+ *  crit [I/O] Critical section to check.
+ *
+ * RETURNS
+ *  Success: TRUE. The critical section is locked.
+ *  Failure: FALSE. The critical section is not locked.
+ */
+BOOL WINAPI RtlIsCriticalSectionLocked( RTL_CRITICAL_SECTION *crit )
+{
+    return crit->RecursionCount != 0;
+}
+
+
+/***********************************************************************
+ *           RtlIsCriticalSectionLockedByThread   (NTDLL.@)
+ *
+ * Checks if the critical section is locked by the current thread.
+ *
+ * PARAMS
+ *  crit [I/O] Critical section to check.
+ *
+ * RETURNS
+ *  Success: TRUE. The critical section is locked.
+ *  Failure: FALSE. The critical section is not locked.
+ */
+BOOL WINAPI RtlIsCriticalSectionLockedByThread( RTL_CRITICAL_SECTION *crit )
+{
+    return crit->OwningThread == ULongToHandle(GetCurrentThreadId()) &&
+           crit->RecursionCount;
+}
+
+
+/***********************************************************************
  *           RtlLeaveCriticalSection   (NTDLL.@)
  *
  * Leaves a critical section.
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 6b3fc65..7f07b14 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -719,6 +719,8 @@
 # @ stub RtlIpv6StringToAddressExW
 # @ stub RtlIpv6StringToAddressW
 @ stdcall RtlIsActivationContextActive(ptr)
+@ stdcall RtlIsCriticalSectionLocked(ptr)
+@ stdcall RtlIsCriticalSectionLockedByThread(ptr)
 @ stdcall RtlIsDosDeviceName_U(wstr)
 @ stub RtlIsGenericTableEmpty
 # @ stub RtlIsGenericTableEmptyAvl
diff --git a/dlls/ntdll/tests/rtl.c b/dlls/ntdll/tests/rtl.c
index 4ab3d1e..0f79f7d 100644
--- a/dlls/ntdll/tests/rtl.c
+++ b/dlls/ntdll/tests/rtl.c
@@ -2008,7 +2008,7 @@ static void test_RtlIsCriticalSectionLocked(void)

if (!pRtlIsCriticalSectionLocked || !pRtlIsCriticalSectionLockedByThread)
     {
-        skip("skipping RtlIsCriticalSectionLocked tests, required functions not available\n");
+        win_skip("skipping RtlIsCriticalSectionLocked tests, required functions not available\n");
         return;
     }

diff --git a/include/winternl.h b/include/winternl.h
index 3e64b4d..e76114e 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -2483,6 +2483,8 @@ NTSYSAPI NTSTATUS  WINAPI RtlInt64ToUnicodeString(ULONGLONG,ULONG,UNICODE_STRING
 NTSYSAPI NTSTATUS  WINAPI RtlIntegerToChar(ULONG,ULONG,ULONG,PCHAR);
 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 ULONG     WINAPI RtlIsDosDeviceName_U(PCWSTR);
 NTSYSAPI BOOLEAN   WINAPI RtlIsNameLegalDOS8Dot3(const UNICODE_STRING*,POEM_STRING,PBOOLEAN);
 NTSYSAPI BOOLEAN   WINAPI RtlIsTextUnicode(LPCVOID,INT,INT *);