1 /*
2 * ReactOS Task Manager
3 *
4 * priority.c
5 *
6 * Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
7 * Copyright (C) 2008 Vladimir Pankratov
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
25 #include <windows.h>
26 #include <commctrl.h>
27 #include <stdlib.h>
28 #include <malloc.h>
29 #include <memory.h>
30 #include <stdio.h>
31 #include <winnt.h>
32
33 #include "wine/unicode.h"
34 #include "taskmgr.h"
35 #include "perfdata.h"
36
37 static void DoSetPriority(DWORD priority)
38 {
39 LVITEMW lvitem;
40 ULONG Index;
41 DWORD dwProcessId;
42 HANDLE hProcess;
43 WCHAR wstrErrorText[256];
44
45 static const WCHAR wszWarnMsg[] = {'W','A','R','N','I','N','G',':',' ','C','h','a','n','g','i','n','g',
46 ' ','t','h','e',' ','p','r','i','o','r','i','t','y',' ','c','l','a','s','s',' ','o','f',' ','t','h','i','s',' ','p','r','o','c','e','s','s',' ','m','a','y','\n','c','a','u','s','e',' ','u','n','d','e','s','i','r','e','d',' ','r','e','s','u','l','t','s',' ','i','n','c','l','u','d','i','n','g',' ','s','y','s','t','e','m',' ','i','n','s','t','a','b','i','l','i','t','y','.',' ','A','r','e',' ','y','o','u','\n','s','u','r','e',' ','y','o','u',' ','w','a','n','t',' ','t','o',' ','c','h','a','n','g','e',' ','t','h','e',' ','p','r','i','o','r','i','t','y',' ','c','l','a','s','s','?',0};
47 static const WCHAR wszWarnTitle[] = {'T','a','s','k',' ','M','a','n','a','g','e','r',' ','W','a','r','n','i','n','g',0};
48 static const WCHAR wszUnable2Change[] = {'U','n','a','b','l','e',' ','t','o',' ','C','h','a','n','g','e',' ','P','r','i','o','r','i','t','y',0};
49
50 for (Index=0; Index<(ULONG)ListView_GetItemCount(hProcessPageListCtrl); Index++)
51 {
52 lvitem.mask = LVIF_STATE;
53 lvitem.stateMask = LVIS_SELECTED;
54 lvitem.iItem = Index;
55 lvitem.iSubItem = 0;
56
57 SendMessageW(hProcessPageListCtrl, LVM_GETITEMW, 0, (LPARAM)&lvitem);
58
59 if (lvitem.state & LVIS_SELECTED)
60 break;
61 }
62
63 dwProcessId = PerfDataGetProcessId(Index);
64
65 if ((ListView_GetSelectedCount(hProcessPageListCtrl) != 1) || (dwProcessId == 0))
66 return;
67
68 if (MessageBoxW(hMainWnd, wszWarnMsg, wszWarnTitle, MB_YESNO|MB_ICONWARNING) != IDYES)
69 return;
70
71 hProcess = OpenProcess(PROCESS_SET_INFORMATION, FALSE, dwProcessId);
72
73 if (!hProcess)
74 {
75 GetLastErrorText(wstrErrorText, sizeof(wstrErrorText)/sizeof(WCHAR));
76 MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
77 return;
78 }
79
80 if (!SetPriorityClass(hProcess, priority))
81 {
82 GetLastErrorText(wstrErrorText, sizeof(wstrErrorText)/sizeof(WCHAR));
83 MessageBoxW(hMainWnd, wstrErrorText, wszUnable2Change, MB_OK|MB_ICONSTOP);
84 }
85
86 CloseHandle(hProcess);
87 }
88
89 void ProcessPage_OnSetPriorityRealTime(void)
90 {
91 DoSetPriority(REALTIME_PRIORITY_CLASS);
92 }
93
94 void ProcessPage_OnSetPriorityHigh(void)
95 {
96 DoSetPriority(HIGH_PRIORITY_CLASS);
97 }
98
99 void ProcessPage_OnSetPriorityAboveNormal(void)
100 {
101 DoSetPriority(ABOVE_NORMAL_PRIORITY_CLASS);
102 }
103
104 void ProcessPage_OnSetPriorityNormal(void)
105 {
106 DoSetPriority(NORMAL_PRIORITY_CLASS);
107 }
108
109 void ProcessPage_OnSetPriorityBelowNormal(void)
110 {
111 DoSetPriority(BELOW_NORMAL_PRIORITY_CLASS);
112 }
113
114 void ProcessPage_OnSetPriorityLow(void)
115 {
116 DoSetPriority(IDLE_PRIORITY_CLASS);
117 }
118
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.