Rob Shearman : kernel32: Implement GetThreadId.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8296548bb51d27991960c3c79778e9570f7224c5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8296548bb51d27991960c3c79778e9570f7224c5

Author: Rob Shearman <rob at codeweavers.com>
Date:   Mon Nov 12 20:09:40 2007 +0000

kernel32: Implement GetThreadId.

---

 dlls/kernel32/kernel32.spec |    1 +
 dlls/kernel32/thread.c      |   30 ++++++++++++++++++++++++++++++
 include/winbase.h           |    1 +
 3 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index 2bf20c1..581383c 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -629,6 +629,7 @@
 @ stdcall GetTempPathA(long ptr)
 @ stdcall GetTempPathW(long ptr)
 @ stdcall GetThreadContext(long ptr)
+@ stdcall GetThreadId(ptr)
 # @ stub GetThreadIOPendingFlag
 @ stdcall GetThreadLocale()
 @ stdcall GetThreadPriority(long)
diff --git a/dlls/kernel32/thread.c b/dlls/kernel32/thread.c
index e96ca2d..ee89a82 100644
--- a/dlls/kernel32/thread.c
+++ b/dlls/kernel32/thread.c
@@ -518,6 +518,36 @@ BOOL WINAPI GetThreadTimes(
     return TRUE;
 }
 
+/**********************************************************************
+ * GetThreadId [KERNEL32.@]
+ *
+ * Retrieve the identifier of a thread.
+ *
+ * PARAMS
+ *  Thread [I] The thread to retrive the identifier of.
+ *
+ * RETURNS
+ *    Success: Identifier of the target thread.
+ *    Failure: 0
+ */
+DWORD WINAPI GetThreadId(HANDLE Thread)
+{
+    THREAD_BASIC_INFORMATION tbi;
+    NTSTATUS status;
+
+    TRACE("(%p)\n", Thread);
+
+    status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
+                                      sizeof(tbi), NULL);
+    if (status)
+    {
+        SetLastError( RtlNtStatusToDosError(status) );
+        return 0;
+    }
+
+    return HandleToULong(tbi.ClientId.UniqueThread);
+}
+
 
 /**********************************************************************
  * VWin32_BoostThreadGroup [KERNEL.535]
diff --git a/include/winbase.h b/include/winbase.h
index 65eb62d..2c97d4b 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -1682,6 +1682,7 @@ WINBASEAPI UINT        WINAPI GetTempFileNameW(LPCWSTR,LPCWSTR,UINT,LPWSTR);
 WINBASEAPI DWORD       WINAPI GetTempPathA(DWORD,LPSTR);
 WINBASEAPI DWORD       WINAPI GetTempPathW(DWORD,LPWSTR);
 #define                       GetTempPath WINELIB_NAME_AW(GetTempPath)
+WINBASEAPI DWORD       WINAPI GetThreadId(HANDLE);
 WINBASEAPI DWORD       WINAPI GetTickCount(void);
 WINBASEAPI ULONGLONG   WINAPI GetTickCount64(void);
 WINBASEAPI DWORD       WINAPI GetTimeZoneInformation(LPTIME_ZONE_INFORMATION);