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lib/tru-knlist-demo.c

@@ -1,70 +0,0 @@
-/* Derived from the example in the OSF1 knlist manpage.
-   OSF1 spe154.testdrive.compaq.com V5.0 1094 alpha
-   aka (w/my private hostname compaq-tru64-50a)  */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <nlist.h>
-
-#ifndef FD_CLOEXEC
-# define FD_CLOEXEC 1
-#endif
-
-#ifndef LDAV_SYMBOL
-# define LDAV_SYMBOL "_avenrun"
-#endif
-
-int
-main ()
-{
-  struct nlist nl[2];
-  int retval;
-  long offset;
-
-  nl[0].n_name = LDAV_SYMBOL;
-  nl[1].n_name = "";
-
-  /*******************************************************/
-  /* Call the knlist routine                             */
-  retval = knlist (nl);
-
-  /******************************************************/
-  /* Display addresses if returned.  Otherwise, display */
-  /* the appropriate error message.                     */
-  if (retval < 0)
-    {
-      printf ("No kernel symbol addresses returned.\n");
-      exit (1);
-    }
-
-  if (nl[0].n_type == 0)
-    {
-      printf ("Unable to return address of symbol %s\n", nl[0].n_name);
-      exit (1);
-    }
-
-  offset = nl[0].n_value;
-  printf ("The address of symbol %s is %lx\n", nl[0].n_name, offset);
-
-  {
-    double load_ave[3];
-    int channel = open ("/dev/kmem", 0);
-    if (channel < 0)
-      {
-	printf ("open failed\n");
-	exit (1);
-      }
-#ifdef FD_SETFD
-    (void) fcntl (channel, F_SETFD, FD_CLOEXEC);
-#endif
-
-    if (lseek (channel, offset, 0) == -1L
-	|| read (channel, (char *) load_ave, sizeof (load_ave))
-	!= sizeof (load_ave))
-      {
-	close (channel);
-      }
-  }
-
-  exit (0);
-}