1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
/* A stub for Windows console processes (like nmake) that is able to terminate
* its child process via a generated Ctrl-C event.
* The termination is triggered by sending a custom message to the HWND of
* this process. */
#ifndef WINVER
#define WINVER 0x0501
#endif
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shellapi.h>
#include <wchar.h>
#include <cstdlib>
#include <cstdio>
const wchar_t szTitle[] = L"qtcctrlcstub";
const wchar_t szWindowClass[] = L"wcqtcctrlcstub";
UINT uiShutDownWindowMessage;
HWND hwndMain = 0;
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
BOOL WINAPI ctrlHandler(DWORD dwCtrlType);
bool isSpaceOrTab(const wchar_t c);
bool startProcess(wchar_t pCommandLine[]);
int main(int argc, char **)
{
if (argc < 2) {
fprintf(stderr, "This is an internal helper of Qt Creator. Do not run it manually.\n");
return 1;
}
SetConsoleCtrlHandler(ctrlHandler, TRUE);
uiShutDownWindowMessage = RegisterWindowMessage(L"qtcctrlcstub_shutdown");
WNDCLASSEX wcex = {0};
wcex.cbSize = sizeof(wcex);
wcex.lpfnWndProc = WndProc;
wcex.hInstance = GetModuleHandle(0);
wcex.lpszClassName = szWindowClass;
if (!RegisterClassEx(&wcex))
return 1;
hwndMain = CreateWindow(szWindowClass, szTitle, WS_DISABLED,
0, 0, 0, 0, NULL, NULL, wcex.hInstance, NULL);
if (!hwndMain)
return FALSE;
// Get the command line and remove the call to this executable.
wchar_t *strCommandLine = _wcsdup(GetCommandLine());
const size_t strCommandLineLength = wcslen(strCommandLine);
size_t pos = 0;
bool quoted = false;
while (pos < strCommandLineLength) {
if (strCommandLine[pos] == L'"') {
quoted = !quoted;
} else if (!quoted && isSpaceOrTab(strCommandLine[pos])) {
while (isSpaceOrTab(strCommandLine[++pos]));
break;
}
++pos;
}
bool bSuccess = startProcess(strCommandLine + pos);
free(strCommandLine);
if (!bSuccess)
return -1;
MSG msg;
DWORD dwExitCode = -1;
while (GetMessage(&msg, NULL, 0, 0))
{
if (msg.message == WM_DESTROY)
dwExitCode = msg.wParam;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int)dwExitCode;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (message == uiShutDownWindowMessage) {
GenerateConsoleCtrlEvent(CTRL_C_EVENT, 0);
PostQuitMessage(0);
return 0;
}
switch (message)
{
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
bool isSpaceOrTab(const wchar_t c)
{
return c == L' ' || c == L'\t';
}
BOOL WINAPI ctrlHandler(DWORD /*dwCtrlType*/)
{
PostMessage(hwndMain, WM_DESTROY, 0, 0);
return TRUE;
}
DWORD WINAPI processWatcherThread(LPVOID lpParameter)
{
HANDLE hProcess = reinterpret_cast<HANDLE>(lpParameter);
WaitForSingleObject(hProcess, INFINITE);
DWORD dwExitCode;
if (!GetExitCodeProcess(hProcess, &dwExitCode))
dwExitCode = -1;
PostMessage(hwndMain, WM_DESTROY, dwExitCode, 0);
return 0;
}
bool startProcess(wchar_t *pCommandLine)
{
SECURITY_ATTRIBUTES sa = {0};
sa.nLength = sizeof(sa);
sa.bInheritHandle = TRUE;
STARTUPINFO si = {0};
si.cb = sizeof(si);
PROCESS_INFORMATION pi;
DWORD dwCreationFlags = 0;
BOOL bSuccess = CreateProcess(NULL, pCommandLine, &sa, &sa, TRUE, dwCreationFlags, NULL, NULL, &si, &pi);
if (!bSuccess) {
fwprintf(stderr, L"qtcreator_ctrlc_stub: Command line failed: %s\n", pCommandLine);
return false;
}
HANDLE hThread = CreateThread(NULL, 0, processWatcherThread, reinterpret_cast<void*>(pi.hProcess), 0, NULL);
if (!hThread) {
fwprintf(stderr, L"qtcreator_ctrlc_stub: The watch dog thread cannot be started.\n");
return false;
}
CloseHandle(hThread);
return true;
}
|
