new file mode 100644
--- /dev/null
+++ b/packages/kernel/current/tests/kmutex1.c
@@ -0,0 +1,175 @@
+/*=================================================================
+//
+//        kmutex1.c
+//
+//        Kernel C API Mutex test 1
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     dsm
+// Contributors:    dsm
+// Date:          1998-03-23
+// Description:   Tests basic mutex functionality.
+// Omissions:     Timed wait.
+//####DESCRIPTIONEND####
+*/
+
+#include <cyg/kernel/kapi.h>
+
+#include <cyg/infra/testcase.h>
+
+#ifdef CYGFUN_KERNEL_API_C
+
+#include "testaux.h"
+
+#define NTHREADS 3
+#define STACKSIZE 4096
+
+static cyg_handle_t thread[NTHREADS];
+
+static cyg_thread thread_obj[NTHREADS];
+static char stack[NTHREADS][STACKSIZE];
+
+
+static cyg_mutex_t m0, m1;
+static cyg_cond_t cvar0, cvar1, cvar2;
+
+static cyg_ucount8 m0d=0, m1d=0;
+
+static void finish( cyg_ucount8 t )
+{
+    cyg_mutex_lock( &m1 ); {
+        m1d |= 1<<t;
+        if( 0x7 == m1d )
+            CYG_TEST_PASS_FINISH("Kernel C API Mutex 1 OK");
+        cyg_cond_wait( &cvar2 );
+    } /* cyg_mutex_unlock( &m1 ); */
+    CYG_TEST_FAIL_FINISH("Not reached");    
+}
+
+static void entry0( cyg_addrword_t data )
+{
+    cyg_mutex_lock( &m0 ); {
+        CHECK( ! cyg_mutex_trylock( &m0 ) );
+        cyg_mutex_lock( &m1 ); {
+            CHECK( ! cyg_mutex_trylock( &m0 ) );            
+        } cyg_mutex_unlock( &m1 );
+    } cyg_mutex_unlock( &m0 );
+
+    cyg_mutex_lock( &m0 ); {
+        while ( 0 == m0d )
+            cyg_cond_wait( &cvar0 );
+        CHECK( 1 == m0d++ );
+        cyg_cond_signal( &cvar0 );
+        while ( 4 != m0d )
+            cyg_cond_wait( &cvar1 );
+        CHECK( 4 == m0d );
+    } cyg_mutex_unlock( &m0 );
+
+    finish( (cyg_ucount8)data );
+}
+
+static void entry1( cyg_addrword_t data )
+{
+    cyg_mutex_lock( &m0 ); {
+        CHECK( cyg_mutex_trylock( &m1 ) ); {
+        } cyg_mutex_unlock( &m1 );
+    } cyg_mutex_unlock( &m0 );
+
+    cyg_mutex_lock( &m0 ); {
+        CHECK( 0 == m0d++ );
+        cyg_cond_broadcast( &cvar0 );
+    } cyg_mutex_unlock( &m0 );
+    
+    cyg_mutex_lock( &m0 ); {
+        while( 1 == m0d )
+            cyg_cond_wait( &cvar0 );
+        CHECK( 2 == m0d++ );
+        cyg_cond_signal( &cvar0 );
+        while( 3 == m0d )
+            cyg_cond_wait( &cvar1 );
+    } cyg_mutex_unlock( &m0 );
+
+    finish( (cyg_ucount8)data );
+}
+
+static void entry2( cyg_addrword_t data )
+{
+    cyg_mutex_lock( &m0 ); {
+        while( 3 != m0d ) {
+            cyg_cond_wait( &cvar0 );
+        }
+        CHECK( 3 == m0d++ );
+        cyg_cond_broadcast( &cvar1 );
+    } cyg_mutex_unlock( &m0 );
+
+    finish( (cyg_ucount8)data );
+}
+
+void kmutex1_main( void )
+{
+    CYG_TEST_INIT();
+
+    cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmutex1-0",
+	(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
+    cyg_thread_resume(thread[0]);
+
+    cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmutex1-1",
+	(void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
+    cyg_thread_resume(thread[1]);
+
+    cyg_thread_create(4, entry2 , (cyg_addrword_t)2, "kmutex1-2",
+	(void *)stack[2], STACKSIZE, &thread[2], &thread_obj[2]);
+    cyg_thread_resume(thread[2]);
+
+    cyg_mutex_init( &m0 );
+    cyg_mutex_init( &m1 );
+
+    cyg_cond_init( &cvar0, &m0 );
+    cyg_cond_init( &cvar1, &m0 );
+    cyg_cond_init( &cvar2, &m1 );
+
+    cyg_scheduler_start();
+
+    CYG_TEST_FAIL_FINISH("Not reached");
+}
+
+externC void
+cyg_start( void )
+{ 
+    kmutex1_main();
+}
+
+#else /* def CYGFUN_KERNEL_API_C */
+externC void
+cyg_start( void )
+{
+    CYG_TEST_INIT();
+    CYG_TEST_PASS_FINISH("Kernel C API layer disabled");
+}
+#endif /* def CYGFUN_KERNEL_API_C */
+
+/* EOF kmutex1.c */