osdep/priority.c

   1 /*
   2  * implementation of '-priority' for OS/2 and Win32
   3  *
   4  * Copyright (c) 2009 by KO Myung-Hun (komh@chollian.net)
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #ifdef __OS2__
  24
  25 #define INCL_DOS
  26 #include <os2.h>
  27
  28 #define REALTIME_PRIORITY_CLASS     MAKESHORT(0, PRTYC_TIMECRITICAL)
  29 #define HIGH_PRIORITY_CLASS         MAKESHORT(PRTYD_MAXIMUM, PRTYC_REGULAR)
  30 #define ABOVE_NORMAL_PRIORITY_CLASS MAKESHORT(PRTYD_MAXIMUM / 2, PRTYC_REGULAR)
  31 #define NORMAL_PRIORITY_CLASS       MAKESHORT(0, PRTYC_REGULAR)
  32 #define BELOW_NORMAL_PRIORITY_CLASS MAKESHORT(PRTYD_MAXIMUM, PRTYC_IDLETIME)
  33 #define IDLE_PRIORITY_CLASS         MAKESHORT(0, PRTYC_IDLETIME)
  34
  35 #else
  36
  37 #include <windows.h>
  38
  39 #endif /* __OS2__ */
  40
  41 #include <string.h>
  42
  43 #include "mp_msg.h"
  44 #include "help_mp.h"
  45
  46 #include "priority.h"
  47
  48 char *proc_priority = NULL;
  49
  50 void set_priority(void)
  51 {
  52     struct {
  53         char* name;
  54         int prio;
  55     } priority_presets_defs[] = {
  56         { "realtime", REALTIME_PRIORITY_CLASS},
  57         { "high", HIGH_PRIORITY_CLASS},
  58 #ifdef ABOVE_NORMAL_PRIORITY_CLASS
  59         { "abovenormal", ABOVE_NORMAL_PRIORITY_CLASS},
  60 #endif
  61         { "normal", NORMAL_PRIORITY_CLASS},
  62 #ifdef BELOW_NORMAL_PRIORITY_CLASS
  63         { "belownormal", BELOW_NORMAL_PRIORITY_CLASS},
  64 #endif
  65         { "idle", IDLE_PRIORITY_CLASS},
  66         { NULL, NORMAL_PRIORITY_CLASS} /* default */
  67     };
  68
  69     if (proc_priority) {
  70         int i;
  71
  72         for (i = 0; priority_presets_defs[i].name; i++) {
  73             if (strcasecmp(priority_presets_defs[i].name, proc_priority) == 0)
  74                 break;
  75         }
  76         mp_tmsg(MSGT_CPLAYER, MSGL_STATUS, "Setting process priority: %s\n",
  77                priority_presets_defs[i].name);
  78
  79 #ifdef __OS2__
  80         DosSetPriority(PRTYS_PROCESS,
  81                        HIBYTE(priority_presets_defs[i].prio),
  82                        LOBYTE(priority_presets_defs[i].prio),
  83                        0);
  84 #else
  85         SetPriorityClass(GetCurrentProcess(), priority_presets_defs[i].prio);
  86 #endif
  87     }
  88 }