lib/libsys/fkey_ctl.c

   1 #include "sysutil.h"
   2 #include <string.h>
   3
   4 /*===========================================================================*
   5  *                              fkey_ctl                                     *
   6  *===========================================================================*/
   7 int fkey_ctl(request, fkeys, sfkeys)
   8 int request;                            /* request to perform */
   9 int *fkeys;                             /* bit masks for F1-F12 keys */
  10 int *sfkeys;                            /* bit masks for Shift F1-F12 keys */
  11 {
  12 /* Send a message to the TTY server to request notifications for function
  13  * key presses or to disable notifications. Enabling succeeds unless the key
  14  * is already bound to another process. Disabling only succeeds if the key is
  15  * bound to the current process.
  16  */
  17     message m;
  18     int s;
  19     memset(&m, 0, sizeof(m));
  20     m.FKEY_REQUEST = request;
  21     m.FKEY_FKEYS = (fkeys) ? *fkeys : 0;
  22     m.FKEY_SFKEYS = (sfkeys) ? *sfkeys : 0;
  23     s = _taskcall(TTY_PROC_NR, TTY_FKEY_CONTROL, &m);
  24     if (fkeys) *fkeys = m.FKEY_FKEYS;
  25     if (sfkeys) *sfkeys = m.FKEY_SFKEYS;
  26     return(s);
  27 }
  28
  29