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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/. */
// This file does not make sense on its own. It must be #included along with
// StaticPrefsListEnd.h in all headers that contribute prefs to the StaticPrefs
// namespace.
#include "StaticPrefsBase.h"
#include "Preferences.h"
#include "MainThreadUtils.h" // for NS_IsMainThread()
#include "nsXULAppAPI.h" // for XRE_IsContentProcess()
namespace mozilla {
namespace StaticPrefs {
// For mirrored prefs we generate an extern variable declaration and three
// getter declarations/definitions.
#define NEVER_PREF(name, cpp_type, default_value)
#define ALWAYS_PREF(name, base_id, full_id, cpp_type, default_value) \
extern cpp_type sMirror_##full_id; \
inline StripAtomic<cpp_type> full_id() { \
if (IsString<cpp_type>::value && sCrashOnBlocklistedPref) { \
MOZ_DIAGNOSTIC_ASSERT(!IsPreferenceSanitized(name), \
"Should not access the preference '" name \
"' in Content Processes"); \
} \
MOZ_DIAGNOSTIC_ASSERT(IsAtomic<cpp_type>::value || NS_IsMainThread(), \
"Non-atomic static pref '" name \
"' being accessed on background thread by getter"); \
return sMirror_##full_id; \
} \
inline const char* GetPrefName_##base_id() { return name; } \
inline StripAtomic<cpp_type> GetPrefDefault_##base_id() { \
return default_value; \
}
#define ALWAYS_DATAMUTEX_PREF(name, base_id, full_id, cpp_type, default_value) \
extern cpp_type sMirror_##full_id; \
inline cpp_type::ConstAutoLock full_id() { \
if (IsString<cpp_type>::value && sCrashOnBlocklistedPref) { \
MOZ_DIAGNOSTIC_ASSERT(!IsPreferenceSanitized(name), \
"Should not access the preference '" name \
"' in Content Processes"); \
} \
return sMirror_##full_id.ConstLock(); \
} \
inline const char* GetPrefName_##base_id() { return name; } \
inline StripAtomic<cpp_type> GetPrefDefault_##base_id() { \
return default_value; \
}
#define ONCE_PREF(name, base_id, full_id, cpp_type, default_value) \
extern cpp_type sMirror_##full_id; \
inline cpp_type full_id() { \
MaybeInitOncePrefs(); \
if (IsString<cpp_type>::value && sCrashOnBlocklistedPref) { \
MOZ_DIAGNOSTIC_ASSERT(!IsPreferenceSanitized(name), \
"Should not access the preference '" name \
"' in Content Processes"); \
} \
return sMirror_##full_id; \
} \
inline const char* GetPrefName_##base_id() { return name; } \
inline cpp_type GetPrefDefault_##base_id() { return default_value; }
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