/usr/share/netgen/libsrc/general/parthreads.hpp is in netgen-headers 4.9.13.dfsg-8build2.
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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | #ifndef FILE_PARTHREADS
#define FILE_PARTHREADS
/**************************************************************************/
/* File: parthreads.hh */
/* Author: Joachim Schoeberl */
/* Date: 22. Nov. 2000 */
/**************************************************************************/
/*
Parallel thread, Mutex,
*/
namespace netgen
{
#ifdef NO_PARALLEL_THREADS
class NgMutex { };
class NgLock
{
public:
NgLock (NgMutex & mut, bool lock = 0) { ; }
void Lock () { ; }
void UnLock () { ; }
};
#else
#ifdef _MSC_VER
#ifdef MSVC_EXPRESS
// #include <pthread.h>
class NgMutex
{
pthread_mutex_t mut;
public:
NgMutex ()
{
pthread_mutex_init (&mut, NULL);
}
friend class NgLock;
};
class NgLock
{
pthread_mutex_t & mut;
bool locked;
public:
NgLock (NgMutex & ngmut, bool lock = false)
: mut (ngmut.mut)
{
if (lock)
pthread_mutex_lock (&mut);
locked = lock;
};
~NgLock()
{
if (locked)
pthread_mutex_unlock (&mut);
}
void Lock ()
{
pthread_mutex_lock (&mut);
locked = true;
}
void UnLock ()
{
pthread_mutex_unlock (&mut);
locked = false;
}
/*
int TryLock ()
{
return pthread_mutex_trylock (&mut);
}
*/
};
#else // Using MS VC++ Standard / Enterprise / Professional edition...
class NgMutex
{
CCriticalSection cs;
public:
NgMutex ()
{ ; }
friend class NgLock;
};
class NgLock
{
CSingleLock sl;
bool locked;
public:
NgLock (NgMutex & mut, bool lock = 0)
: sl(&mut.cs)
{
if (lock) sl.Lock();
locked = lock;
}
~NgLock ()
{
if (locked) sl.Unlock();
}
void Lock ()
{
sl.Lock();
locked = 1;
}
void UnLock ()
{
sl.Unlock();
locked = 0;
}
};
#endif // MSVC_EXPRESS
#else
// #include <pthread.h>
class NgMutex
{
pthread_mutex_t mut;
public:
NgMutex ()
{
pthread_mutex_init (&mut, NULL);
}
friend class NgLock;
};
class NgLock
{
pthread_mutex_t & mut;
bool locked;
public:
NgLock (NgMutex & ngmut, bool lock = false)
: mut (ngmut.mut)
{
if (lock)
pthread_mutex_lock (&mut);
locked = lock;
};
~NgLock()
{
if (locked)
pthread_mutex_unlock (&mut);
}
void Lock ()
{
pthread_mutex_lock (&mut);
locked = true;
}
void UnLock ()
{
pthread_mutex_unlock (&mut);
locked = false;
}
/*
int TryLock ()
{
return pthread_mutex_trylock (&mut);
}
*/
};
#endif
#endif
}
#endif
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