diff --git a/mingw-w64-crt/ChangeLog b/mingw-w64-crt/ChangeLog
index 2e5cac8..646b6ac 100644
--- a/mingw-w64-crt/ChangeLog
+++ b/mingw-w64-crt/ChangeLog
@@ -1,3 +1,22 @@
+2010-04-14  Jonathan Yong  <jon_y@sourceforge.net>
+
+	* lib64/kernel32.def (AcquireSRWLockExclusive): New.
+	(AcquireSRWLockShared): Likewise.
+	(InitializeConditionVariable): Likewise.
+	(InitOnceBeginInitialize): Likewise.
+	(InitOnceComplete): Likewise.
+	(InitOnceExecuteOnce): Likewise.
+	(InitializeSRWLock): Likewise.
+	(ReleaseSRWLockExclusive): Likewise.
+	(ReleaseSRWLockShared): Likewise.
+	(SleepConditionVariableCS): Likewise.
+	(TryAcquireSRWLockExclusive): Likewise.
+	(TryAcquireSRWLockShared): Likewise.
+	(WakeAllConditionVariable): Likewise.
+	(WakeConditionVariable): Likewise.
+	* lib32/kernel32.def (TryAcquireSRWLockExclusive): New.
+	(TryAcquireSRWLockShared): Likewise.
+
 2010-04-08  Doug Semler  <dougsemler@gmail.com>
 
 	* stdio/vfscanf.c: Define QUOTE macro expansions and wrap
diff --git a/mingw-w64-crt/lib32/kernel32.def b/mingw-w64-crt/lib32/kernel32.def
index 24e6613..72ddd3b 100644
--- a/mingw-w64-crt/lib32/kernel32.def
+++ b/mingw-w64-crt/lib32/kernel32.def
@@ -1116,6 +1116,8 @@
 TransactNamedPipe@28
 TransmitCommChar@8
 TrimVirtualBuffer@4
+TryAcquireSRWLockExclusive
+TryAcquireSRWLockShared
 TryEnterCriticalSection@4 = NTDLL.RtlTryEnterCriticalSection
 TrySubmitThreadpoolCallback@12
 TzSpecificLocalTimeToSystemTime@12
diff --git a/mingw-w64-crt/lib64/kernel32.def b/mingw-w64-crt/lib64/kernel32.def
index c2bcba3..ed98bcd 100644
--- a/mingw-w64-crt/lib64/kernel32.def
+++ b/mingw-w64-crt/lib64/kernel32.def
@@ -7,6 +7,8 @@
 LIBRARY KERNEL32.dll
 EXPORTS
 ActivateActCtx
+AcquireSRWLockExclusive
+AcquireSRWLockShared
 AddAtomA
 AddAtomW
 AddConsoleAliasA
@@ -557,9 +559,14 @@
 HeapValidate
 HeapWalk
 InitAtomTable
+InitializeConditionVariable
 InitializeCriticalSection
+InitOnceBeginInitialize
+InitOnceComplete
+InitOnceExecuteOnce
 InitializeCriticalSectionAndSpinCount
 InitializeSListHead
+InitializeSRWLock
 InterlockedFlushSList
 InterlockedPopEntrySList
 InterlockedPushEntrySList
@@ -711,6 +718,8 @@
 RegisterWowExec
 ReleaseActCtx
 ReleaseMutex
+ReleaseSRWLockExclusive
+ReleaseSRWLockShared
 ReleaseSemaphore
 RemoveDirectoryA
 RemoveDirectoryW
@@ -869,6 +878,7 @@
 SignalObjectAndWait
 SizeofResource
 Sleep
+SleepConditionVariableCS
 SleepEx
 SuspendThread
 SwitchToFiber
@@ -888,6 +898,8 @@
 Toolhelp32ReadProcessMemory
 TransactNamedPipe
 TransmitCommChar
+TryAcquireSRWLockExclusive
+TryAcquireSRWLockShared
 TryEnterCriticalSection
 TzSpecificLocalTimeToSystemTime
 UTRegister
@@ -930,6 +942,8 @@
 WaitForSingleObjectEx
 WaitNamedPipeA
 WaitNamedPipeW
+WakeAllConditionVariable
+WakeConditionVariable
 WideCharToMultiByte
 WinExec
 Wow64DisableWow64FsRedirection