forked from mirrors/gecko-dev
739b831899
This patch defines a new macro `MOZ_USE_LAUNCHER_ERROR` and keeps the use of `LauncherError` behind `MOZ_USE_LAUNCHER_ERROR` instead of `MOZILLA_INTERNAL_API` so that we can selectively use `LauncherError` in locations where `MOZILLA_INTERNAL_API` is defined. Differential Revision: https://phabricator.services.mozilla.com/D83638
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#define MOZ_USE_LAUNCHER_ERROR
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#include "freestanding/SafeThreadLocal.h"
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#include "mozilla/NativeNt.h"
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#include "nsWindowsHelpers.h"
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#include <process.h>
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#include <stdio.h>
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// Need a non-inline function to bypass compiler optimization that the thread
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// local storage pointer is cached in a register before accessing a thread-local
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// variable.
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MOZ_NEVER_INLINE PVOID SwapThreadLocalStoragePointer(PVOID aNewValue) {
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auto oldValue = mozilla::nt::RtlGetThreadLocalStoragePointer();
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mozilla::nt::RtlSetThreadLocalStoragePointerForTestingOnly(aNewValue);
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return oldValue;
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}
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static mozilla::freestanding::SafeThreadLocal<int*> gTheStorage;
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static unsigned int __stdcall TestNonMainThread(void* aArg) {
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for (int i = 0; i < 100; ++i) {
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gTheStorage.set(&i);
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if (gTheStorage.get() != &i) {
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printf(
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"TEST-FAILED | TestSafeThreadLocal | "
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"A value is not correctly stored in the thread-local storage.\n");
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return 1;
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}
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}
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return 0;
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}
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extern "C" int wmain(int argc, wchar_t* argv[]) {
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int dummy = 0x1234;
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auto origHead = SwapThreadLocalStoragePointer(nullptr);
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// Setting gTheStorage when TLS is null.
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gTheStorage.set(&dummy);
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SwapThreadLocalStoragePointer(origHead);
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nsAutoHandle handles[8];
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for (auto& handle : handles) {
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handle.own(reinterpret_cast<HANDLE>(
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::_beginthreadex(nullptr, 0, TestNonMainThread, nullptr, 0, nullptr)));
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}
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for (int i = 0; i < 100; ++i) {
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if (gTheStorage.get() != &dummy) {
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printf(
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"TEST-FAILED | TestSafeThreadLocal | "
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"A value is not correctly stored in the global scope.\n");
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return 1;
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}
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}
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for (auto& handle : handles) {
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::WaitForSingleObject(handle, INFINITE);
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DWORD exitCode;
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if (!::GetExitCodeThread(handle, &exitCode) || exitCode) {
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return 1;
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}
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}
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return 0;
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}
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