ntdll: Implement NtContinue() in the Unix library.

dlls/ntdll/ntdll.spec

@@ -157,7 +157,7 @@
 @ stdcall NtCompleteConnectPort(ptr)
 # @ stub NtCompressKey
 @ stdcall NtConnectPort(ptr ptr ptr ptr ptr ptr ptr ptr)
-@ stub NtContinue
+@ stdcall NtContinue(ptr long)
 # @ stub NtCreateDebugObject
 @ stdcall NtCreateDirectoryObject(ptr long ptr)
 @ stdcall NtCreateEvent(ptr long ptr long long)
@@ -1145,7 +1145,7 @@
 @ stdcall -private ZwCompleteConnectPort(ptr) NtCompleteConnectPort
 # @ stub ZwCompressKey
 @ stdcall -private ZwConnectPort(ptr ptr ptr ptr ptr ptr ptr ptr) NtConnectPort
-@ stub ZwContinue
+@ stdcall -private ZwContinue(ptr long) NtContinue
 # @ stub ZwCreateDebugObject
 @ stdcall -private ZwCreateDirectoryObject(ptr long ptr) NtCreateDirectoryObject
 @ stdcall -private ZwCreateEvent(ptr long ptr long long) NtCreateEvent

dlls/ntdll/thread.c

@@ -603,6 +603,15 @@ NTSTATUS get_thread_context( HANDLE handle, context_t *context, unsigned int fla
 
 
 /***********************************************************************
+ *              NtContinue  (NTDLL.@)
+ */
+NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
+{
+    return unix_funcs->NtContinue( context, alertable );
+}
+
+
+/***********************************************************************
  *              NtSetContextThread  (NTDLL.@)
  *              ZwSetContextThread  (NTDLL.@)
  */

dlls/ntdll/unix/loader.c

@@ -988,6 +988,7 @@ static struct unix_funcs unix_funcs =
     NtCancelTimer,
     NtClearEvent,
     NtClose,
+    NtContinue,
     NtCreateEvent,
     NtCreateKeyedEvent,
     NtCreateMutant,

dlls/ntdll/unix/thread.c

@@ -471,6 +471,18 @@ NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL
 
 
 /***********************************************************************
+ *              NtContinue  (NTDLL.@)
+ */
+NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
+{
+    static const LARGE_INTEGER zero_timeout;
+
+    if (alertable) server_wait( NULL, 0, SELECT_INTERRUPTIBLE | SELECT_ALERTABLE, &zero_timeout );
+    return NtSetContextThread( GetCurrentThread(), context );
+}
+
+
+/***********************************************************************
  *              set_thread_context
  */
 NTSTATUS set_thread_context( HANDLE handle, const context_t *context, BOOL *self )

dlls/ntdll/unixlib.h

@@ -28,7 +28,7 @@ struct ldt_copy;
 struct msghdr;
 
 /* increment this when you change the function table */
-#define NTDLL_UNIXLIB_VERSION 31
+#define NTDLL_UNIXLIB_VERSION 32
 
 struct unix_funcs
 {
@@ -39,6 +39,7 @@ struct unix_funcs
     NTSTATUS      (WINAPI *NtCancelTimer)( HANDLE handle, BOOLEAN *state );
     NTSTATUS      (WINAPI *NtClearEvent)( HANDLE handle );
     NTSTATUS      (WINAPI *NtClose)( HANDLE handle );
+    NTSTATUS      (WINAPI *NtContinue)( CONTEXT *context, BOOLEAN alertable );
     NTSTATUS      (WINAPI *NtCreateEvent)( HANDLE *handle, ACCESS_MASK access,
                                            const OBJECT_ATTRIBUTES *attr, EVENT_TYPE type, BOOLEAN state );
     NTSTATUS      (WINAPI *NtCreateKeyedEvent)( HANDLE *handle, ACCESS_MASK access,