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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsMacUtilsImpl_h___
#define nsMacUtilsImpl_h___
#include "nsIMacUtils.h"
#include "nsString.h"
#include "mozilla/Atomics.h"
#include "mozilla/Attributes.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/StaticPtr.h"
using mozilla::Atomic;
using mozilla::StaticAutoPtr;
using mozilla::StaticMutex;
class nsMacUtilsImpl final : public nsIMacUtils {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMACUTILS
nsMacUtilsImpl() {}
// Return the repo directory and the repo object directory respectively.
// These should only be used on Mac developer builds to determine the path
// to the repo or object directory.
static nsresult GetRepoDir(nsIFile** aRepoDir);
static nsresult GetObjDir(nsIFile** aObjDir);
#if defined(MOZ_SANDBOX)
static bool GetAppPath(nsCString& aAppPath);
# ifdef DEBUG
static nsresult GetBloatLogDir(nsCString& aDirectoryPath);
static nsresult GetDirectoryPath(const char* aPath,
nsCString& aDirectoryPath);
# endif /* DEBUG */
#endif /* MOZ_SANDBOX */
static void EnableTCSMIfAvailable();
static bool IsTCSMAvailable();
static uint32_t GetPhysicalCPUCount();
static nsresult GetArchitecturesForBundle(uint32_t* aArchMask);
static nsresult GetArchitecturesForBinary(const char* aPath,
uint32_t* aArchMask);
#if defined(__aarch64__)
// Pre-translate binaries to avoid translation delays when launching
// x64 child process instances for the first time. i.e. on first launch
// after installation or after an update. Translations are cached so
// repeated launches of the binaries do not encounter delays.
static int PreTranslateXUL();
static int PreTranslateBinary(nsCString aBinaryPath);
#endif
private:
~nsMacUtilsImpl() {}
nsresult GetArchString(nsAString& aArchString);
// A string containing a "-" delimited list of architectures
// in our binary.
nsString mBinaryArchs;
#if defined(MOZ_SANDBOX)
// Cache the appDir returned from GetAppPath to avoid doing I/O
static StaticAutoPtr<nsCString> sCachedAppPath;
// For thread safe setting/checking of sCachedAppPath
static StaticMutex sCachedAppPathMutex;
// Utility method to call ClearOnShutdown() on the main thread
static nsresult ClearCachedAppPathOnShutdown();
#endif
// The cached machine architectures of the .app bundle which can
// be multiple architectures for universal binaries.
static std::atomic<uint32_t> sBundleArchMaskAtomic;
#if defined(__aarch64__)
// Limit XUL translation to one attempt
static std::atomic<bool> sIsXULTranslated;
#endif
enum TCSMStatus { TCSM_Unknown = 0, TCSM_Available, TCSM_Unavailable };
static mozilla::Atomic<nsMacUtilsImpl::TCSMStatus> sTCSMStatus;
static nsresult EnableTCSM();
#if defined(DEBUG)
static bool IsTCSMEnabled();
#endif
};
// Global singleton service
// 697BD3FD-43E5-41CE-AD5E-C339175C0818
#define NS_MACUTILSIMPL_CID \
{ \
0x697BD3FD, 0x43E5, 0x41CE, { \
0xAD, 0x5E, 0xC3, 0x39, 0x17, 0x5C, 0x08, 0x18 \
} \
}
#define NS_MACUTILSIMPL_CONTRACTID "@mozilla.org/xpcom/mac-utils;1"
#endif /* nsMacUtilsImpl_h___ */