gecko-dev/tools/footprint/heapdump.cpp

136 строки
4.3 KiB
C++

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001, 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Suresh Duddi <dp@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* heapdump
*
* Sends a message to netscape 6.3 to dump the heap.
*/
#include <windows.h>
#include <stdio.h>
static const char *kMozHeapDumpMessageString = "MOZ_HeapDump";
static const char *kMozAppClassName = "MozillaWindowClass";
BOOL IsMozilla(const char *title)
{
if (!title || !*title)
return FALSE;
// Title containing " - Mozilla" is a mozilla window
if (strstr(title, " - Mozilla"))
return TRUE;
// Title containing "Mozilla {" is a mozilla window
// This form happens when there is no title
if (strstr(title, "Mozilla {"))
return TRUE;
return FALSE;
}
BOOL IsNetscape(const char *title)
{
if (!title || !*title)
return FALSE;
// Skip to where the <space>-<space>Netscape 6 exists
return strstr(title, " - Netscape 6") ? TRUE : FALSE;
}
// Find a mozilla or Netscape top level window in that order
// Pattter we are looking for is
// .* - Netscape 6 [{.*}]
// .* - Mozilla [{.*}]
BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam)
{
HWND * pwnd = (HWND *)lParam;
char buf[1024];
// Make sure we are dealing with a window of our class name
GetClassName(hwnd, buf, sizeof(buf)-1);
if (strcmp(buf, kMozAppClassName))
return TRUE;
GetWindowText(hwnd, buf, sizeof(buf)-1);
if (IsMozilla(buf)) {
// Yeah. Search ends.
*pwnd = hwnd;
return FALSE;
}
// We continue search if we find a Netscape window
// since we might find a mozilla window next
if (IsNetscape(buf))
*pwnd = hwnd;
return TRUE;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
UINT msgHandle = RegisterWindowMessage(kMozHeapDumpMessageString);
// Find a window to send the message to.
// We look for a mozilla window first and then a netscape window
// logic being that developers run release Netscape (to read mail) and
// mozilla (debug builds).
HWND mozwindow = 0;
EnumWindows(EnumWindowsProc, (LPARAM) &mozwindow);
if (mozwindow == 0) {
printf("Cannot find Mozilla or Netscape 6 window. Exit\n");
exit(-1);
}
char buf[1024];
GetWindowText(mozwindow, buf, sizeof(buf)-1);
if (IsMozilla(buf))
printf("Found Mozilla window with title : %s\n", buf);
else if (IsNetscape(buf))
printf("Found Netscape window with title : %s\n", buf);
SendMessage(mozwindow, msgHandle, 0, 0);
printf("Sending HeapDump Message done. Heapdump available in c:\\heapdump.txt\n");
return 0;
}