lib/libsys/fkey_ctl.c

   1 #include "sysutil.h"
   2
   3 /*===========================================================================*
   4  *                              fkey_ctl                                     *
   5  *===========================================================================*/
   6 int fkey_ctl(request, fkeys, sfkeys)
   7 int request;                            /* request to perform */
   8 int *fkeys;                             /* bit masks for F1-F12 keys */
   9 int *sfkeys;                            /* bit masks for Shift F1-F12 keys */
  10 {
  11 /* Send a message to the TTY server to request notifications for function
  12  * key presses or to disable notifications. Enabling succeeds unless the key
  13  * is already bound to another process. Disabling only succeeds if the key is
  14  * bound to the current process.
  15  */
  16     message m;
  17     int s;
  18     m.FKEY_REQUEST = request;
  19     m.FKEY_FKEYS = (fkeys) ? *fkeys : 0;
  20     m.FKEY_SFKEYS = (sfkeys) ? *sfkeys : 0;
  21     s = _taskcall(TTY_PROC_NR, TTY_FKEY_CONTROL, &m);
  22     if (fkeys) *fkeys = m.FKEY_FKEYS;
  23     if (sfkeys) *sfkeys = m.FKEY_SFKEYS;
  24     return(s);
  25 }
  26
  27