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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 mozilla_windowsdllblocklist_h
#define mozilla_windowsdllblocklist_h
#if (defined(_MSC_VER) || defined(__MINGW32__)) && \
(defined(_M_IX86) || defined(_M_X64) || defined(_M_ARM64))
# include <windows.h>
# include "CrashAnnotations.h"
# include "mozilla/Attributes.h"
# include "mozilla/Types.h"
# define HAS_DLL_BLOCKLIST
enum DllBlocklistInitFlags {
eDllBlocklistInitFlagDefault = 0,
eDllBlocklistInitFlagIsChildProcess = 1,
eDllBlocklistInitFlagWasBootstrapped = 2,
eDllBlocklistInitFlagIsUtilityProcess = 4,
eDllBlocklistInitFlagIsSocketProcess = 8
};
// Only available from within firefox.exe
# if !defined(IMPL_MFBT) && !defined(MOZILLA_INTERNAL_API)
extern uint32_t gBlocklistInitFlags;
# endif // !defined(IMPL_MFBT) && !defined(MOZILLA_INTERNAL_API)
MFBT_API void DllBlocklist_Initialize(
uint32_t aInitFlags = eDllBlocklistInitFlagDefault);
MFBT_API void DllBlocklist_WriteNotes(CrashReporter::AnnotationWriter& aWriter);
MFBT_API bool DllBlocklist_CheckStatus();
// This export intends to clean up after DllBlocklist_Initialize().
// It's disabled in release builds for performance and to limit callers' ability
// to interfere with dll blocking.
# ifdef DEBUG
MFBT_API void DllBlocklist_Shutdown();
# endif // DEBUG
namespace mozilla {
namespace glue {
namespace detail {
// Forward declaration
class DllServicesBase;
template <size_t N>
class WritableBuffer {
char mBuffer[N];
size_t mLen;
size_t Available() const { return sizeof(mBuffer) - mLen; }
public:
WritableBuffer() : mBuffer{0}, mLen(0) {}
void Write(const char* aData, size_t aLen) {
size_t writable_len = std::min(aLen, Available());
memcpy(mBuffer + mLen, aData, writable_len);
mLen += writable_len;
}
size_t Length() const { return mLen; }
const char* Data() const { return mBuffer; }
};
} // namespace detail
} // namespace glue
} // namespace mozilla
MFBT_API void DllBlocklist_SetFullDllServices(
mozilla::glue::detail::DllServicesBase* aSvc);
MFBT_API void DllBlocklist_SetBasicDllServices(
mozilla::glue::detail::DllServicesBase* aSvc);
#endif // defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
#endif // mozilla_windowsdllblocklist_h
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