New NOTIFY system call! Queued at kernel. Duplicate messages (with same source

and type) are overwritten with newer flags/ arguments. The interface from
within the kernel is lock_notify(). User processes can make a system call with
notify(). NOTIFY fully replaces the old notification mechanism.

include/ibm/interrupt.h

@@ -12,7 +12,7 @@
 #define INT2_CTLMASK    0xA1	/* setting bits in this port disables ints */
 
 /* Magic numbers for interrupt controller. */
-#define ENABLE          0x20	/* code used to re-enable after an interrupt */
+#define END_OF_INT      0x20	/* code used to re-enable after an interrupt */
 
 
 /* Interrupt vectors defined/reserved by processor. */

include/minix/com.h

@@ -82,9 +82,10 @@
 #define NR_NOTIFY_TYPES    	       5	/* nr of bits in mask */
 
 /* Shorthands for message parameters passed with notifications. */
-#define NOTIFY_TYPE	m2_i1
-#define NOTIFY_FLAGS	m2_i2
-#define NOTIFY_ARG	m2_i3
+#define NOTIFY_SOURCE	m_source
+#define NOTIFY_TYPE	m_type
+#define NOTIFY_FLAGS	m2_i1
+#define NOTIFY_ARG	m2_l1
 
 
 /*===========================================================================*

include/minix/config.h

@@ -3,7 +3,7 @@
 
 /* Minix release and version numbers. */
 #define OS_RELEASE "3"
-#define OS_VERSION "0.3"
+#define OS_VERSION "0.4"
 
 /* This file sets configuration parameters for the MINIX kernel, FS, and PM.
  * It is divided up into two main sections.  The first section contains

include/minix/type.h

@@ -106,6 +106,7 @@ struct kinfo {
   long notify_blocked;
   long notify_switching;
   long notify_reenter;
+  long notify_taskcall;
   long notify_ok;
   long notify_unhold;
   long notify_int;