5.13

1 files changed, 23 insertions, 45 deletions

diff --git a/zen/process_priority.h b/zen/process_priority.h
index c0bae667..78e49cd0 100644
--- a/zen/process_priority.h
+++ b/zen/process_priority.h
@@ -1,58 +1,36 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
+// **************************************************************************
 #ifndef PREVENTSTANDBY_H_INCLUDED
 #define PREVENTSTANDBY_H_INCLUDED
 
-#ifdef FFS_WIN
-#include "win.h" //includes "windows.h"
-
-#elif defined FFS_LINUX
-#endif
+#include <memory>
+#include <zen/file_error.h>
 
 namespace zen
 {
-struct PreventStandby //signal a "busy" state to the operating system
+//signal a "busy" state to the operating system
+class PreventStandby
 {
-#ifdef FFS_WIN
-    PreventStandby () { ::SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED /* | ES_AWAYMODE_REQUIRED*/ ); }
-    ~PreventStandby() { ::SetThreadExecutionState(ES_CONTINUOUS); }
-#endif
+public:
+    PreventStandby(); //throw FileError
+    ~PreventStandby();
+private:
+    struct Pimpl;
+    std::unique_ptr<Pimpl> pimpl;
 };
 
-
-struct ScheduleForBackgroundProcessing //lower CPU and file I/O priorities
+//lower CPU and file I/O priorities
+class ScheduleForBackgroundProcessing
 {
-#ifdef FFS_WIN
-#ifndef PROCESS_MODE_BACKGROUND_BEGIN
-#define PROCESS_MODE_BACKGROUND_BEGIN     0x00100000 // Windows Server 2003 and Windows XP/2000:  This value is not supported!
-#define PROCESS_MODE_BACKGROUND_END       0x00200000 //
-#endif
-
-    ScheduleForBackgroundProcessing () { ::SetPriorityClass(::GetCurrentProcess(), PROCESS_MODE_BACKGROUND_BEGIN); } //this call lowers CPU priority, too!!
-    ~ScheduleForBackgroundProcessing() { ::SetPriorityClass(::GetCurrentProcess(), PROCESS_MODE_BACKGROUND_END  ); }
-
-#elif defined FFS_LINUX
-    /*
-    CPU prio:
-    int getpriority(PRIO_PROCESS, 0); - errno caveat!
-    int ::setpriority(PRIO_PROCESS, 0, int prio); //a zero value for "who" denotes the calling process
-
-    priority can be decreased, but NOT increased :(
-
-    file I/O prio:
-        ScheduleForBackgroundProcessing() : oldIoPrio(::ioprio_get(IOPRIO_WHO_PROCESS, ::getpid()))
-        {
-            if (oldIoPrio != -1)
-                ::ioprio_set(IOPRIO_WHO_PROCESS, ::getpid(), IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0));
-        }
-        ~ScheduleForBackgroundProcessing()
-        {
-            if (oldIoPrio != -1)
-                ::ioprio_set(IOPRIO_WHO_PROCESS, ::getpid(), oldIoPrio);
-          }
-
-    private:
-            const int oldIoPrio;
-    */
-#endif
+public:
+    ScheduleForBackgroundProcessing(); //throw FileError
+    ~ScheduleForBackgroundProcessing();
+private:
+    struct Pimpl;
+    std::unique_ptr<Pimpl> pimpl;
 };
 }