Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 65 insertions, 0 deletions

diff --git a/modules/libpref/init/StaticPrefListBegin.h b/modules/libpref/init/StaticPrefListBegin.h
new file mode 100644
index 0000000000..27bd726cc8
--- /dev/null
+++ b/modules/libpref/init/StaticPrefListBegin.h
@@ -0,0 +1,65 @@
+/* -*- 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; }