Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/xpcom/base/nsMacUtilsImpl.h b/xpcom/base/nsMacUtilsImpl.h
new file mode 100644
index 0000000000..dd0afa2305
--- /dev/null
+++ b/xpcom/base/nsMacUtilsImpl.h
@@ -0,0 +1,105 @@
+/* -*- 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___ */