From bc95cf8c844be819e26a58fa76b36357af5aebbb Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Sun, 29 Aug 2004 14:46:02 +0000
Subject: [PATCH] implemented SetProcessPriorityBoost() and
 GetProcessPriorityBoost() (only the kernel32 part)

svn path=/trunk/; revision=10731
---
 reactos/lib/kernel32/misc/stubs.c   | 30 +---------------
 reactos/lib/kernel32/process/proc.c | 54 ++++++++++++++++++++++++++++-
 2 files changed, 54 insertions(+), 30 deletions(-)

diff --git a/reactos/lib/kernel32/misc/stubs.c b/reactos/lib/kernel32/misc/stubs.c
index 5ea04beab63..d47ac31bb45 100644
--- a/reactos/lib/kernel32/misc/stubs.c
+++ b/reactos/lib/kernel32/misc/stubs.c
@@ -1,4 +1,4 @@
-/* $Id: stubs.c,v 1.81 2004/07/30 19:18:39 jimtabor Exp $
+/* $Id: stubs.c,v 1.82 2004/08/29 14:45:55 weiden Exp $
  *
  * KERNEL32.DLL stubs (unimplemented functions)
  * Remove from this file, if you implement them.
@@ -873,20 +873,6 @@ GetProcessHandleCount(
     return 0;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-STDCALL
-GetProcessPriorityBoost(
-    HANDLE hProcess,
-    PBOOL pDisablePriorityBoost
-    )
-{
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return 0;
-}
-
 /*
  * @unimplemented
  */
@@ -1298,20 +1284,6 @@ SetMessageWaitingIndicator(
     return 0;
 }
 
-/*
- * @unimplemented
- */
-BOOL
-STDCALL
-SetProcessPriorityBoost(
-    HANDLE hProcess,
-    BOOL bDisablePriorityBoost
-    )
-{
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return 0;
-}
-
 /*
  * @unimplemented
  */
diff --git a/reactos/lib/kernel32/process/proc.c b/reactos/lib/kernel32/process/proc.c
index a0fc16931f1..7c4aa317d7c 100644
--- a/reactos/lib/kernel32/process/proc.c
+++ b/reactos/lib/kernel32/process/proc.c
@@ -1,4 +1,4 @@
-/* $Id: proc.c,v 1.63 2004/07/02 12:18:04 gvg Exp $
+/* $Id: proc.c,v 1.64 2004/08/29 14:46:02 weiden Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -868,4 +868,56 @@ GetProcessIoCounters(
   return TRUE;
 }
 
+
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+GetProcessPriorityBoost(HANDLE hProcess,
+                        PBOOL pDisablePriorityBoost)
+{
+  NTSTATUS Status;
+  BOOL PriorityBoost;
+
+  Status = NtQueryInformationProcess(hProcess,
+				     ProcessPriorityBoost,
+				     &PriorityBoost,
+				     sizeof(BOOL),
+				     NULL);
+  if (NT_SUCCESS(Status))
+    {
+      *pDisablePriorityBoost = PriorityBoost;
+      return TRUE;
+    }
+
+  SetLastErrorByStatus(Status);
+  return FALSE;
+}
+
+
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+SetProcessPriorityBoost(HANDLE hProcess,
+                        BOOL bDisablePriorityBoost)
+{
+  NTSTATUS Status;
+  BOOL PriorityBoost = (bDisablePriorityBoost ? TRUE : FALSE); /* prevent setting values other than 1 and 0 */
+
+  Status = NtSetInformationProcess(hProcess,
+				   ProcessPriorityBoost,
+				   &PriorityBoost,
+				   sizeof(BOOL));
+  if (!NT_SUCCESS(Status))
+    {
+      SetLastErrorByStatus(Status);
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
 /* EOF */