Added assert to syslib. Moved panic from sysutil to syslib for assert.

Panic now tries sys_kill with SIGKILL first.

lib/syslib/panic.c

@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <signal.h>
+#include <minix/sysutil.h>
+
+#include "syslib.h"
+
+int panicing= 0;
+
+/*===========================================================================*
+ *				panic					     *
+ *===========================================================================*/
+PUBLIC void panic(who, mess, num)
+char *who;			/* server identification */
+char *mess;			/* message format string */
+int num;			/* number to go with format string */
+{
+/* Something awful has happened. Panics are caused when an internal
+ * inconsistency is detected, e.g., a programming error or illegal 
+ * value of a defined constant.
+ */
+  message m;
+  void (*suicide)(void);
+
+  panicing= 1;
+  if (NULL != who && NULL != mess) {
+      if (num != NO_NUM) {
+          printf("Panic in %s: %s: %d\n", who, mess, num); 
+      } else {
+          printf("Panic in %s: %s\n", who, mess); 
+      }
+  }
+
+  /* Try to signal ourself */
+  sys_kill(SELF, SIGKILL);
+
+  /* If exiting nicely through PM fails for some reason, try to
+   * commit suicide. E.g., message to PM might fail due to deadlock.
+   */
+  suicide = (void (*)(void)) -1;
+  suicide();
+
+  /* If committing suicide fails for some reason, hang. */
+  for(;;) { }
+}
+