Index: /soft/giet_vm/giet_libs/mwmr_channel.c
===================================================================
--- /soft/giet_vm/giet_libs/mwmr_channel.c	(revision 478)
+++ /soft/giet_vm/giet_libs/mwmr_channel.c	(revision 479)
@@ -50,4 +50,7 @@
 unsigned int    lpid;
 giet_proc_xyp( &x, &y, &lpid );
+giet_shr_printf("\n[MWMR DEBUG] Proc[%d,%d,%d] enters nb_mwmr_write()"
+                " : mwmr = %x / buffer = %x / items =  %d\n",
+                x, y, lpid, (unsigned int)mwmr, (unsigned int)buffer, items );
 #endif
 
@@ -132,4 +135,7 @@
 unsigned int    lpid;
 giet_proc_xyp( &x, &y, &lpid );
+giet_shr_printf("\n[MWMR DEBUG] Proc[%d,%d,%d] enters nb_mwmr_read()"
+                " : mwmr = %x / buffer = %x / items =  %d\n",
+                x, y, lpid, (unsigned int)mwmr, (unsigned int)buffer, items );
 #endif
 
@@ -218,4 +224,7 @@
 unsigned int    lpid;
 giet_proc_xyp( &x, &y, &lpid );
+giet_shr_printf("\n[MWMR DEBUG] Proc[%d,%d,%d] enters mwmr_write()"
+                " : mwmr = %x / buffer = %x / items =  %d\n",
+                x, y, lpid, (unsigned int)mwmr, (unsigned int)buffer, items );
 #endif
 
@@ -305,4 +314,7 @@
 unsigned int    lpid;
 giet_proc_xyp( &x, &y, &lpid );
+giet_shr_printf("\n[MWMR DEBUG] Proc[%d,%d,%d] enters mwmr_read()"
+                " : mwmr = %x / buffer = %x / items =  %d\n",
+                x, y, lpid, (unsigned int)mwmr, (unsigned int)buffer, items );
 #endif
 
Index: /soft/giet_vm/giet_libs/mwmr_channel.h
===================================================================
--- /soft/giet_vm/giet_libs/mwmr_channel.h	(revision 478)
+++ /soft/giet_vm/giet_libs/mwmr_channel.h	(revision 479)
@@ -22,5 +22,5 @@
 //
 // Both the mwmr_read() and mwmr_write() functions are blocking functions. 
-// A private file_lock provides exclusive access to the MWMR channel.
+// A queuing lock provides exclusive access to the MWMR channel.
 ///////////////////////////////////////////////////////////////////////////////////