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https://gitlab.winehq.org/wine/wine-gecko.git
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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 ci et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_PoisonIOInterposer_h
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#define mozilla_PoisonIOInterposer_h
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#include "mozilla/Types.h"
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#include <stdio.h>
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#if defined(MOZ_ENABLE_PROFILER_SPS) && (defined(XP_WIN) || defined(XP_MACOSX))
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MOZ_BEGIN_EXTERN_C
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/** Register file descriptor to be ignored by poisoning IO interposer */
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void MozillaRegisterDebugFD(int fd);
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/** Register file to be ignored by poisoning IO interposer */
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void MozillaRegisterDebugFILE(FILE *f);
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/** Unregister file descriptor from being ignored by poisoning IO interposer */
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void MozillaUnRegisterDebugFD(int fd);
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/** Unregister file from being ignored by poisoning IO interposer */
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void MozillaUnRegisterDebugFILE(FILE *f);
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MOZ_END_EXTERN_C
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#ifdef __cplusplus
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namespace mozilla {
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/**
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* Check if a file is registered as a debug file.
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*/
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bool IsDebugFile(intptr_t aFileID);
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/**
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* Initialize IO poisoning, this is only safe to do on the main-thread when no
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* other threads are running.
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*
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* Please, note that this probably has performance implications as all
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*/
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void InitPoisonIOInterposer();
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#ifdef XP_MACOSX
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/**
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* Check that writes are dirty before reporting I/O (Mac OS X only)
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* This is necessary for late-write checks on Mac OS X, but reading the buffer
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* from file to see if we're writing dirty bits is expensive, so we don't want
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* to do this for everything else that uses
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*/
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void OnlyReportDirtyWrites();
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#endif /* XP_MACOSX */
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/**
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* Clear IO poisoning, this is only safe to do on the main-thread when no other
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* threads are running.
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*/
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void ClearPoisonIOInterposer();
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} // namespace mozilla
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#endif /* __cplusplus */
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#else /* MOZ_ENABLE_PROFILER_SPS && (XP_WIN || XP_MACOSX) */
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MOZ_BEGIN_EXTERN_C
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inline void MozillaRegisterDebugFD(int fd){}
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inline void MozillaRegisterDebugFILE(FILE *f){}
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inline void MozillaUnRegisterDebugFD(int fd){}
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inline void MozillaUnRegisterDebugFILE(FILE *f){}
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MOZ_END_EXTERN_C
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#ifdef __cplusplus
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namespace mozilla {
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inline bool IsDebugFile(intptr_t aFileID){ return true; }
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inline void InitPoisonIOInterposer(){}
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inline void ClearPoisonIOInterposer(){}
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#ifdef XP_MACOSX
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inline void OnlyReportDirtyWrites(){}
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#endif /* XP_MACOSX */
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} // namespace mozilla
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#endif /* __cplusplus */
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#endif /* MOZ_ENABLE_PROFILER_SPS && (XP_WIN || XP_MACOSX) */
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#endif // mozilla_PoisonIOInterposer_h
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