1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef nsMacUtilsImpl_h___
8 #define nsMacUtilsImpl_h___
10 #include "nsIMacUtils.h"
12 #include "mozilla/Atomics.h"
13 #include "mozilla/Attributes.h"
14 #include "mozilla/StaticMutex.h"
15 #include "mozilla/StaticPtr.h"
17 using mozilla::Atomic
;
18 using mozilla::StaticAutoPtr
;
19 using mozilla::StaticMutex
;
21 class nsMacUtilsImpl final
: public nsIMacUtils
{
28 // Return the repo directory and the repo object directory respectively.
29 // These should only be used on Mac developer builds to determine the path
30 // to the repo or object directory.
31 static nsresult
GetRepoDir(nsIFile
** aRepoDir
);
32 static nsresult
GetObjDir(nsIFile
** aObjDir
);
34 #if defined(MOZ_SANDBOX)
35 static bool GetAppPath(nsCString
& aAppPath
);
37 static nsresult
GetBloatLogDir(nsCString
& aDirectoryPath
);
38 static nsresult
GetDirectoryPath(const char* aPath
,
39 nsCString
& aDirectoryPath
);
41 #endif /* MOZ_SANDBOX */
43 static void EnableTCSMIfAvailable();
44 static bool IsTCSMAvailable();
45 static uint32_t GetPhysicalCPUCount();
46 static nsresult
GetArchitecturesForBundle(uint32_t* aArchMask
);
47 static nsresult
GetArchitecturesForBinary(const char* aPath
,
50 #if defined(__aarch64__)
51 // Pre-translate binaries to avoid translation delays when launching
52 // x64 child process instances for the first time. i.e. on first launch
53 // after installation or after an update. Translations are cached so
54 // repeated launches of the binaries do not encounter delays.
55 static int PreTranslateXUL();
56 static int PreTranslateBinary(nsCString aBinaryPath
);
62 nsresult
GetArchString(nsAString
& aArchString
);
64 // A string containing a "-" delimited list of architectures
66 nsString mBinaryArchs
;
68 #if defined(MOZ_SANDBOX)
69 // Cache the appDir returned from GetAppPath to avoid doing I/O
70 static StaticAutoPtr
<nsCString
> sCachedAppPath
;
71 // For thread safe setting/checking of sCachedAppPath
72 static StaticMutex sCachedAppPathMutex
;
73 // Utility method to call ClearOnShutdown() on the main thread
74 static nsresult
ClearCachedAppPathOnShutdown();
77 // The cached machine architectures of the .app bundle which can
78 // be multiple architectures for universal binaries.
79 static std::atomic
<uint32_t> sBundleArchMaskAtomic
;
81 #if defined(__aarch64__)
82 // Limit XUL translation to one attempt
83 static std::atomic
<bool> sIsXULTranslated
;
86 enum TCSMStatus
{ TCSM_Unknown
= 0, TCSM_Available
, TCSM_Unavailable
};
87 static mozilla::Atomic
<nsMacUtilsImpl::TCSMStatus
> sTCSMStatus
;
89 static nsresult
EnableTCSM();
91 static bool IsTCSMEnabled();
95 // Global singleton service
96 // 697BD3FD-43E5-41CE-AD5E-C339175C0818
97 #define NS_MACUTILSIMPL_CID \
99 0x697BD3FD, 0x43E5, 0x41CE, { \
100 0xAD, 0x5E, 0xC3, 0x39, 0x17, 0x5C, 0x08, 0x18 \
103 #define NS_MACUTILSIMPL_CONTRACTID "@mozilla.org/xpcom/mac-utils;1"
105 #endif /* nsMacUtilsImpl_h___ */