Added new signal types for kernel events:

- SIGKMESS: new kernel message (sent to TTY, IS, or LOG)
- SIGKSTOP: MINIX is shut down (sent to TTY-> switch to primary console)
- SIGKSIG: kernel signals pending (sent to PM)

Renamed SYS_SETPRIORITY to SYS_NICE.

lib/syslib/Makefile

@@ -27,7 +27,7 @@ OBJECTS	= \
 	$(LIBSYS)(sys_getinfo.o) \
 	$(LIBSYS)(sys_irqctl.o) \
 	$(LIBSYS)(sys_segctl.o) \
-	$(LIBSYS)(sys_setpriority.o) \
+	$(LIBSYS)(sys_nice.o) \
 	$(LIBSYS)(sys_umap.o) \
 	$(LIBSYS)(sys_physcopy.o) \
 	$(LIBSYS)(sys_vircopy.o) \
@@ -89,8 +89,8 @@ $(LIBSYS)(sys_irqctl.o):	sys_irqctl.c
 $(LIBSYS)(sys_eniop.o):	sys_eniop.c
 	$(CC1) sys_eniop.c
 
-$(LIBSYS)(sys_setpriority.o):	sys_setpriority.c
-	$(CC1) sys_setpriority.c
+$(LIBSYS)(sys_nice.o):	sys_nice.c
+	$(CC1) sys_nice.c
 
 $(LIBSYS)(sys_segctl.o):	sys_segctl.c
 	$(CC1) sys_segctl.c

lib/syslib/sys_getinfo.c

@@ -3,21 +3,21 @@
 /*===========================================================================*
  *                                sys_getinfo				     *
  *===========================================================================*/
-PUBLIC int sys_getinfo(request, val_ptr, val_len, key_ptr, key_len)
+PUBLIC int sys_getinfo(request, ptr, len, ptr2, len2)
 int request; 				/* system info requested */
-void *val_ptr;				/* pointer where to store it */
-int val_len;				/* max length of value to get */
-void *key_ptr;				/* pointer to key requested */
-int key_len;				/* length of key */ 
+void *ptr;				/* pointer where to store it */
+int len;				/* max length of value to get */
+void *ptr2;				/* second pointer */
+int len2;				/* length or process nr */ 
 {
     message m;
 
     m.I_REQUEST = request;
     m.I_PROC_NR = SELF;			/* always store values at caller */
-    m.I_VAL_PTR = val_ptr;
-    m.I_VAL_LEN = val_len;
-    m.I_KEY_PTR = key_ptr;
-    m.I_KEY_LEN = key_len;
+    m.I_VAL_PTR = ptr;
+    m.I_VAL_LEN = len;
+    m.I_VAL_PTR2 = ptr2;
+    m.I_VAL_LEN2 = len2;
 
     return(_taskcall(SYSTASK, SYS_GETINFO, &m));
 }

lib/syslib/sys_nice.c

@@ -1,13 +1,13 @@
 #include "syslib.h"
 
 /*===========================================================================*
- *                                sys_xit			     	     *
+ *                                sys_nice			     	     *
  *===========================================================================*/
-PUBLIC int sys_setpriority(int proc, int prio)
+PUBLIC int sys_nice(int proc, int prio)
 {
   message m;
 
   m.m1_i1 = proc;
   m.m1_i2 = prio;
-  return(_taskcall(SYSTASK, SYS_SETPRIORITY, &m));
+  return(_taskcall(SYSTASK, SYS_NICE, &m));
 }