s3fs-fuse/src/sighandlers.h
Andrew Gaul 437bf7ec95
Convert pthread_t to C++11 std::thread (#2481)
This has better cross-platform support and stronger type-safety.
2024-07-11 22:37:25 +09:00

82 lines
2.3 KiB
C++

/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef S3FS_SIGHANDLERS_H_
#define S3FS_SIGHANDLERS_H_
#include <memory>
#include <thread>
class Semaphore;
//----------------------------------------------
// class S3fsSignals
//----------------------------------------------
class S3fsSignals
{
private:
static std::unique_ptr<S3fsSignals> pSingleton;
static bool enableUsr1;
std::unique_ptr<std::thread> pThreadUsr1;
std::unique_ptr<Semaphore> pSemUsr1;
protected:
static S3fsSignals* get() { return pSingleton.get(); }
static void HandlerUSR1(int sig);
static void CheckCacheWorker(Semaphore* pSem);
static void HandlerUSR2(int sig);
static bool InitUsr2Handler();
static void HandlerHUP(int sig);
static bool InitHupHandler();
S3fsSignals();
bool InitUsr1Handler();
bool DestroyUsr1Handler();
bool WakeupUsr1Thread();
public:
~S3fsSignals();
S3fsSignals(const S3fsSignals&) = delete;
S3fsSignals(S3fsSignals&&) = delete;
S3fsSignals& operator=(const S3fsSignals&) = delete;
S3fsSignals& operator=(S3fsSignals&&) = delete;
static bool Initialize();
static bool Destroy();
static bool SetUsr1Handler(const char* path);
};
#endif // S3FS_SIGHANDLERS_H_
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: expandtab sw=4 ts=4 fdm=marker
* vim<600: expandtab sw=4 ts=4
*/