/usr/include/root/TSemaphore.h is in libroot-core-dev 5.34.00-2.
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 | // @(#)root/thread:$Id: TSemaphore.h 20882 2007-11-19 11:31:26Z rdm $
// Author: Fons Rademakers 02/07/97
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TSemaphore
#define ROOT_TSemaphore
//////////////////////////////////////////////////////////////////////////
// //
// TSemaphore //
// //
// This class implements a counting semaphore. Use a semaphore //
// to synchronize threads. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TMutex
#include "TMutex.h"
#endif
#ifndef ROOT_TCondition
#include "TCondition.h"
#endif
class TSemaphore : public TObject {
private:
TMutex fMutex; // semaphare mutex
TCondition fCond; // semaphore condition variable
Int_t fValue; // counter
TSemaphore(const TSemaphore &s); // not implemented
TSemaphore& operator=(const TSemaphore &s); // not implemented
public:
TSemaphore(UInt_t initial = 1);
virtual ~TSemaphore() { }
Int_t Wait(Int_t millisec = 0);
Int_t TryWait();
Int_t Post();
ClassDef(TSemaphore,0) // Counting semaphore class
};
#endif
|