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 <stdarg.h>
  21
  22 #include "ntstatus.h"
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(powermgnt);
  28
  29 /******************************************************************************
  30  *           GetDevicePowerState   (KERNEL32.@)
  31  */
  32 BOOL WINAPI GetDevicePowerState(HANDLE hDevice, BOOL* pfOn)
  33 {
  34     FIXME("(hDevice %p pfOn %p): stub\n", hDevice, pfOn);
  35     return TRUE; /* no information */
  36 }
  37
  38 /***********************************************************************
  39  *           GetSystemPowerStatus      (KERNEL32.@)
  40  */
  41 BOOL WINAPI GetSystemPowerStatus(LPSYSTEM_POWER_STATUS sps_ptr)
  42 {
  43     FIXME("(): stub, harmless.\n");
  44     return FALSE;   /* no power management support */
  45 }
  46
  47 /***********************************************************************
  48  *           IsSystemResumeAutomatic   (KERNEL32.@)
  49  */
  50 BOOL WINAPI IsSystemResumeAutomatic(void)
  51 {
  52     FIXME("(): stub, harmless.\n");
  53     return FALSE;
  54 }
  55
  56 /***********************************************************************
  57  *           RequestWakeupLatency      (KERNEL32.@)
  58  */
  59 BOOL WINAPI RequestWakeupLatency(LATENCY_TIME latency)
  60 {
  61     FIXME("(): stub, harmless.\n");
  62     return TRUE;
  63 }
  64
  65 /***********************************************************************
  66  *           SetSystemPowerState      (KERNEL32.@)
  67  */
  68 BOOL WINAPI SetSystemPowerState(BOOL suspend_or_hibernate,
  69                                   BOOL force_flag)
  70 {
  71     FIXME("(): stub, harmless.\n");
  72     /* suspend_or_hibernate flag: w95 does not support
  73        this feature anyway */
  74
  75     for ( ;0; )
  76     {
  77         if ( force_flag )
  78         {
  79         }
  80         else
  81         {
  82         }
  83     }
  84     return TRUE;
  85 }
  86
  87 /***********************************************************************
  88  * SetThreadExecutionState (KERNEL32.@)
  89  *
  90  * Informs the system that activity is taking place for
  91  * power management purposes.
  92  */
  93 EXECUTION_STATE WINAPI SetThreadExecutionState(EXECUTION_STATE flags)
  94 {
  95     static EXECUTION_STATE current =
  96         ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED | ES_USER_PRESENT;
  97     EXECUTION_STATE old = current;
  98
  99     FIXME("(0x%lx): stub, harmless.\n", flags);
 100
 101     if (!(current & ES_CONTINUOUS) || (flags & ES_CONTINUOUS))
 102         current = flags;
 103     return old;
 104 }