Moved synchronization and syslevel routines to dlls/kernel.
diff --git a/dlls/kernel/syslevel.c b/dlls/kernel/syslevel.c
new file mode 100644
index 0000000..5653784
--- /dev/null
+++ b/dlls/kernel/syslevel.c
@@ -0,0 +1,245 @@
+/*
+ * Win32 'syslevel' routines
+ *
+ * Copyright 1998 Ulrich Weigand
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "config.h"
+
+#include <stdarg.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <sys/types.h>
+#include "windef.h"
+#include "winbase.h"
+#include "winreg.h"
+#include "winternl.h"
+#include "wine/winbase16.h"
+#include "thread.h"
+#include "kernel_private.h"
+#include "wine/library.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(win32);
+
+static SYSLEVEL Win16Mutex;
+static CRITICAL_SECTION_DEBUG critsect_debug =
+{
+ 0, 0, &Win16Mutex.crst,
+ { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
+ 0, 0, { 0, (DWORD)(__FILE__ ": Win16Mutex") }
+};
+static SYSLEVEL Win16Mutex = { { &critsect_debug, -1, 0, 0, 0, 0 }, 1 };
+
+/* Global variable to save current TEB while in 16-bit code */
+extern WORD SYSLEVEL_Win16CurrentTeb;
+
+
+/************************************************************************
+ * GetpWin16Lock (KERNEL32.93)
+ */
+VOID WINAPI GetpWin16Lock(SYSLEVEL **lock)
+{
+ *lock = &Win16Mutex;
+}
+
+/************************************************************************
+ * GetpWin16Lock (KERNEL.449)
+ */
+SEGPTR WINAPI GetpWin16Lock16(void)
+{
+ static SYSLEVEL *w16Mutex;
+ static SEGPTR segpWin16Mutex;
+
+ if (!segpWin16Mutex)
+ {
+ w16Mutex = &Win16Mutex;
+ segpWin16Mutex = MapLS( &w16Mutex );
+ }
+ return segpWin16Mutex;
+}
+
+/************************************************************************
+ * _CreateSysLevel (KERNEL.438)
+ */
+VOID WINAPI _CreateSysLevel(SYSLEVEL *lock, INT level)
+{
+ RtlInitializeCriticalSection( &lock->crst );
+ lock->level = level;
+
+ TRACE("(%p, %d): handle is %p\n",
+ lock, level, lock->crst.LockSemaphore );
+}
+
+/************************************************************************
+ * _EnterSysLevel (KERNEL32.97)
+ * _EnterSysLevel (KERNEL.439)
+ */
+VOID WINAPI _EnterSysLevel(SYSLEVEL *lock)
+{
+ TEB *teb = NtCurrentTeb();
+ int i;
+
+ TRACE("(%p, level %d): thread %lx count before %ld\n",
+ lock, lock->level, GetCurrentThreadId(), teb->sys_count[lock->level] );
+
+ for ( i = 3; i > lock->level; i-- )
+ if ( teb->sys_count[i] > 0 )
+ {
+ ERR("(%p, level %d): Holding %p, level %d. Expect deadlock!\n",
+ lock, lock->level, teb->sys_mutex[i], i );
+ }
+
+ RtlEnterCriticalSection( &lock->crst );
+
+ teb->sys_count[lock->level]++;
+ teb->sys_mutex[lock->level] = lock;
+
+ TRACE("(%p, level %d): thread %lx count after %ld\n",
+ lock, lock->level, GetCurrentThreadId(), teb->sys_count[lock->level] );
+
+#ifdef __i386__
+ if (lock == &Win16Mutex) SYSLEVEL_Win16CurrentTeb = wine_get_fs();
+#endif
+}
+
+/************************************************************************
+ * _LeaveSysLevel (KERNEL32.98)
+ * _LeaveSysLevel (KERNEL.440)
+ */
+VOID WINAPI _LeaveSysLevel(SYSLEVEL *lock)
+{
+ TEB *teb = NtCurrentTeb();
+
+ TRACE("(%p, level %d): thread %lx count before %ld\n",
+ lock, lock->level, GetCurrentThreadId(), teb->sys_count[lock->level] );
+
+ if ( teb->sys_count[lock->level] <= 0 || teb->sys_mutex[lock->level] != lock )
+ {
+ ERR("(%p, level %d): Invalid state: count %ld mutex %p.\n",
+ lock, lock->level, teb->sys_count[lock->level],
+ teb->sys_mutex[lock->level] );
+ }
+ else
+ {
+ if ( --teb->sys_count[lock->level] == 0 )
+ teb->sys_mutex[lock->level] = NULL;
+ }
+
+ RtlLeaveCriticalSection( &lock->crst );
+
+ TRACE("(%p, level %d): thread %lx count after %ld\n",
+ lock, lock->level, GetCurrentThreadId(), teb->sys_count[lock->level] );
+}
+
+/************************************************************************
+ * @ (KERNEL32.86)
+ */
+VOID WINAPI _KERNEL32_86(SYSLEVEL *lock)
+{
+ _LeaveSysLevel(lock);
+}
+
+/************************************************************************
+ * _ConfirmSysLevel (KERNEL32.95)
+ * _ConfirmSysLevel (KERNEL.436)
+ */
+DWORD WINAPI _ConfirmSysLevel(SYSLEVEL *lock)
+{
+ if ( lock && lock->crst.OwningThread == (HANDLE)GetCurrentThreadId() )
+ return lock->crst.RecursionCount;
+ else
+ return 0L;
+}
+
+/************************************************************************
+ * _CheckNotSysLevel (KERNEL32.94)
+ * _CheckNotSysLevel (KERNEL.437)
+ */
+VOID WINAPI _CheckNotSysLevel(SYSLEVEL *lock)
+{
+ if (lock && lock->crst.OwningThread == (HANDLE)GetCurrentThreadId() &&
+ lock->crst.RecursionCount)
+ {
+ ERR( "Holding lock %p level %d\n", lock, lock->level );
+ DbgBreakPoint();
+ }
+}
+
+
+/************************************************************************
+ * _EnterWin16Lock [KERNEL.480]
+ */
+VOID WINAPI _EnterWin16Lock(void)
+{
+ _EnterSysLevel(&Win16Mutex);
+}
+
+/************************************************************************
+ * _LeaveWin16Lock [KERNEL.481]
+ */
+VOID WINAPI _LeaveWin16Lock(void)
+{
+ _LeaveSysLevel(&Win16Mutex);
+}
+
+/************************************************************************
+ * _ConfirmWin16Lock (KERNEL32.96)
+ */
+DWORD WINAPI _ConfirmWin16Lock(void)
+{
+ return _ConfirmSysLevel(&Win16Mutex);
+}
+
+/************************************************************************
+ * ReleaseThunkLock (KERNEL32.48)
+ */
+VOID WINAPI ReleaseThunkLock(DWORD *mutex_count)
+{
+ DWORD count = _ConfirmSysLevel(&Win16Mutex);
+ *mutex_count = count;
+
+ while (count-- > 0)
+ _LeaveSysLevel(&Win16Mutex);
+}
+
+/************************************************************************
+ * RestoreThunkLock (KERNEL32.49)
+ */
+VOID WINAPI RestoreThunkLock(DWORD mutex_count)
+{
+ while (mutex_count-- > 0)
+ _EnterSysLevel(&Win16Mutex);
+}
+
+/************************************************************************
+ * SYSLEVEL_CheckNotLevel
+ */
+VOID SYSLEVEL_CheckNotLevel( INT level )
+{
+ INT i;
+
+ for ( i = 3; i >= level; i-- )
+ if ( NtCurrentTeb()->sys_count[i] > 0 )
+ {
+ ERR("(%d): Holding lock of level %d!\n",
+ level, i );
+ DbgBreakPoint();
+ break;
+ }
+}
