dlls/kernel/powermgnt.c

   1 /*
   2  * Copyright 1995 Thomas Sandford (tdgsandf@prds-grn.demon.co.uk)
   3  * Copyright 2003 Dimitrie O. Paun
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include "winbase.h"
  21 #include "wine/debug.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(powermgnt);
  24
  25 /******************************************************************************
  26  *           GetDevicePowerState   (KERNEL32.@)
  27  */
  28 BOOL WINAPI GetDevicePowerState(HANDLE hDevice, BOOL* pfOn)
  29 {
  30     FIXME("(hDevice %p pfOn %p): stub\n", hDevice, pfOn);
  31     return TRUE; /* no information */
  32 }
  33
  34 /***********************************************************************
  35  *           GetSystemPowerStatus      (KERNEL32.@)
  36  */
  37 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
  38 {
  39     FIXME("(): stub, harmless.\n");
  40     return FALSE;   /* no power management support */
  41 }
  42
  43 /***********************************************************************
  44  *           IsSystemResumeAutomatic   (KERNEL32.@)
  45  */
  46 BOOL WINAPI IsSystemResumeAutomatic(void)
  47 {
  48     FIXME("(): stub, harmless.\n");
  49     return FALSE;
  50 }
  51
  52 /***********************************************************************
  53  *           RequestWakeupLatency      (KERNEL32.@)
  54  */
  55 BOOL WINAPI RequestWakeupLatency(LATENCY_TIME latency)
  56 {
  57     FIXME("(): stub, harmless.\n");
  58     return TRUE;
  59 }
  60
  61 /***********************************************************************
  62  *           SetSystemPowerState      (KERNEL32.@)
  63  */
  64 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
  65                                   BOOL force_flag)
  66 {
  67     FIXME("(): stub, harmless.\n");
  68     /* suspend_or_hibernate flag: w95 does not support
  69        this feature anyway */
  70
  71     for ( ;0; )
  72     {
  73         if ( force_flag )
  74         {
  75         }
  76         else
  77         {
  78         }
  79     }
  80     return TRUE;
  81 }
  82
  83 /***********************************************************************
  84  * SetThreadExecutionState (KERNEL32.@)
  85  *
  86  * Informs the system that activity is taking place for
  87  * power management purposes.
  88  */
  89 EXECUTION_STATE WINAPI SetThreadExecutionState(EXECUTION_STATE flags)
  90 {
  91     static EXECUTION_STATE current =
  92         ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED | ES_USER_PRESENT;
  93     EXECUTION_STATE old = current;
  94
  95     FIXME("(0x%lx): stub, harmless.\n", flags);
  96
  97     if (!(current & ES_CONTINUOUS) || (flags & ES_CONTINUOUS))
  98         current = flags;
  99     return old;
 100 }