| Index: base/debug/gdi_debug_util_win.cc
|
| diff --git a/base/debug/gdi_debug_util_win.cc b/base/debug/gdi_debug_util_win.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..89e6446abb7fa8efb83158d83ffd6061098b08f0
|
| --- /dev/null
|
| +++ b/base/debug/gdi_debug_util_win.cc
|
| @@ -0,0 +1,129 @@
|
| +// Copyright (c) 2014 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +#include "base/debug/gdi_debug_util_win.h"
|
| +
|
| +#include <cmath>
|
| +
|
| +#include <psapi.h>
|
| +#include <TlHelp32.h>
|
| +
|
| +#include "base/debug/alias.h"
|
| +#include "base/logging.h"
|
| +#include "base/win/scoped_handle.h"
|
| +
|
| +namespace {
|
| +
|
| +void CollectChildGDIUsageAndDie(DWORD parent_pid) {
|
| + HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) ;
|
| + if(snapshot == INVALID_HANDLE_VALUE)
|
| + CHECK(false);
|
| +
|
| + int child_count = 0;
|
| + base::debug::Alias(&child_count);
|
| + int peak_gdi_count = 0;
|
| + base::debug::Alias(&peak_gdi_count);
|
| + int sum_gdi_count = 0;
|
| + base::debug::Alias(&sum_gdi_count);
|
| + int sum_user_count = 0;
|
| + base::debug::Alias(&sum_user_count);
|
| +
|
| + PROCESSENTRY32 proc_entry = {0};
|
| + proc_entry.dwSize = sizeof(PROCESSENTRY32) ;
|
| + if(!Process32First(snapshot, &proc_entry))
|
| + CHECK(false);
|
| +
|
| + do {
|
| + if (parent_pid != proc_entry.th32ParentProcessID)
|
| + continue;
|
| + // Got a child process. Compute GDI usage.
|
| + base::win::ScopedHandle process(
|
| + ::OpenProcess(PROCESS_QUERY_INFORMATION,
|
| + FALSE,
|
| + proc_entry.th32ParentProcessID));
|
| + if (!process)
|
| + continue;
|
| +
|
| + int num_gdi_handles = ::GetGuiResources(process.Get(), GR_GDIOBJECTS);
|
| + int num_user_handles = ::GetGuiResources(process.Get(), GR_USEROBJECTS);
|
| +
|
| + // Compute sum and peak counts.
|
| + ++child_count;
|
| + sum_user_count += num_user_handles;
|
| + sum_gdi_count += num_gdi_handles;
|
| + if (peak_gdi_count < num_gdi_handles)
|
| + peak_gdi_count = num_gdi_handles;
|
| +
|
| + } while(Process32Next(snapshot, &proc_entry));
|
| +
|
| + ::CloseHandle(snapshot) ;
|
| + CHECK(false);
|
| +}
|
| +
|
| +} // namespace
|
| +
|
| +namespace base {
|
| +namespace debug {
|
| +
|
| +void GDIBitmapAllocFailure(BITMAPINFOHEADER* header, HANDLE shared_section) {
|
| + // Make sure parameters are saved in the minidump.
|
| + DWORD last_error = ::GetLastError();
|
| +
|
| + LONG width = header->biWidth;
|
| + LONG heigth = header->biHeight;
|
| +
|
| + base::debug::Alias(&last_error);
|
| + base::debug::Alias(&width);
|
| + base::debug::Alias(&heigth);
|
| + base::debug::Alias(&shared_section);
|
| +
|
| + int num_user_handles = GetGuiResources(GetCurrentProcess(),
|
| + GR_USEROBJECTS);
|
| +
|
| + int num_gdi_handles = GetGuiResources(GetCurrentProcess(),
|
| + GR_GDIOBJECTS);
|
| + if (num_gdi_handles == 0) {
|
| + DWORD get_gui_resources_error = GetLastError();
|
| + base::debug::Alias(&get_gui_resources_error);
|
| + CHECK(false);
|
| + }
|
| +
|
| + base::debug::Alias(&num_gdi_handles);
|
| + base::debug::Alias(&num_user_handles);
|
| +
|
| + const DWORD kLotsOfHandles = 9990;
|
| + if (num_gdi_handles > kLotsOfHandles)
|
| + CHECK(false);
|
| +
|
| + PROCESS_MEMORY_COUNTERS_EX pmc;
|
| + pmc.cb = sizeof(pmc);
|
| + if (!GetProcessMemoryInfo(GetCurrentProcess(),
|
| + reinterpret_cast<PROCESS_MEMORY_COUNTERS*>(&pmc),
|
| + sizeof(pmc))) {
|
| + CHECK(false);
|
| + }
|
| + const size_t kLotsOfMemory = 1500 * 1024 * 1024; // 1.5GB
|
| + if (pmc.PagefileUsage > kLotsOfMemory)
|
| + CHECK(false);
|
| + if (pmc.PrivateUsage > kLotsOfMemory)
|
| + CHECK(false);
|
| +
|
| + void* small_data = NULL;
|
| + base::debug::Alias(&small_data);
|
| +
|
| + if (std::abs(heigth) * width > 100) {
|
| + // Huh, that's weird. We don't have crazy handle count, we don't have
|
| + // ridiculous memory usage. Try to allocate a small bitmap and see if that
|
| + // fails too.
|
| + header->biWidth = 5;
|
| + header->biHeight = -5;
|
| + HBITMAP small_bitmap = CreateDIBSection(
|
| + NULL, reinterpret_cast<BITMAPINFO*>(&header),
|
| + 0, &small_data, shared_section, 0);
|
| + }
|
| + // Maybe the child processes are the ones leaking GDI or USER resouces.
|
| + CollectChildGDIUsageAndDie(::GetCurrentProcessId());
|
| +}
|
| +
|
| +} // namespace debug
|
| +} // namespace base
|
|
|