/usr/include/thunderbird/mozilla/SQLiteInterposer.h is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /* 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 SQLITEINTERPOSER_H_
#define SQLITEINTERPOSER_H_
#ifdef MOZ_ENABLE_PROFILER_SPS
#include "IOInterposer.h"
#include "mozilla/Atomics.h"
namespace mozilla {
/**
* This class provides main thread I/O interposing for SQLite reads, writes,
* and fsyncs. Most methods must be called from the main thread, except for:
* Enable
* OnRead
* OnWrite
* OnFSync
*/
class SQLiteInterposer MOZ_FINAL : public IOInterposerModule
{
public:
static IOInterposerModule* GetInstance(IOInterposeObserver* aObserver,
IOInterposeObserver::Operation aOpsToInterpose);
/**
* This function must be called from the main thread, and furthermore
* it must be called when no other threads are executing in OnRead, OnWrite,
* or OnFSync. Effectivly this restricts us to calling it only after all other
* threads have been stopped during shutdown.
*/
static void ClearInstance();
~SQLiteInterposer();
void Enable(bool aEnable);
typedef void (*EventHandlerFn)(double&);
static void OnRead(double& aDuration);
static void OnWrite(double& aDuration);
static void OnFSync(double& aDuration);
private:
SQLiteInterposer();
bool Init(IOInterposeObserver* aObserver,
IOInterposeObserver::Operation aOpsToInterpose);
IOInterposeObserver* mObserver;
IOInterposeObserver::Operation mOps;
Atomic<uint32_t,ReleaseAcquire> mEnabled;
};
} // namespace mozilla
#else // MOZ_ENABLE_PROFILER_SPS
namespace mozilla {
class SQLiteInterposer MOZ_FINAL
{
public:
typedef void (*EventHandlerFn)(double&);
static inline void OnRead(double& aDuration) {}
static inline void OnWrite(double& aDuration) {}
static inline void OnFSync(double& aDuration) {}
};
} // namespace mozilla
#endif // MOZ_ENABLE_PROFILER_SPS
#endif // SQLITEINTERPOSER_H_
|