2002-01-16 Veronica De Santis <veron78@@interfree.it>

2002-01-16 Veronica De Santis <veron78@@interfree.it>

        * icall.h : Added the internal calls mapping for CreateMutex_internal
	  	    and ReleaseMutex_internal.

	* threads.h : Added the prototype of mutexes internal calls.

	* threads.c : Added the implementations of mutexes internal calls.

	* WaitHandle.cs : Renamed handle to os_handle and make it protected
	                  instead of private.
        * Mutex.cs : Write the System.Threading.Mutex methods ( constructors
              	     and the ReleaseMutex)

svn path=/trunk/mono/; revision=2010