Implement OpenThread() winapi call.
Implement a few pthreads functions.
diff --git a/server/protocol.def b/server/protocol.def
index 0cc3f26..a13fcc7 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -462,6 +462,16 @@
@END
+/* Open a handle to a thread */
+@REQ(open_thread)
+ void* tid; /* thread id to open */
+ unsigned int access; /* wanted access rights */
+ int inherit; /* inherit flag */
+@REPLY
+ handle_t handle; /* handle to the thread */
+@END
+
+
/* Wait for handles */
@REQ(select)
int flags; /* wait flags (see below) */
