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