PtexPlatform.h File Reference

Platform-specific classes, functions, and includes. More...

#include "PtexInt.h"
#include <stdlib.h>
#include <alloca.h>
#include <string.h>
#include <pthread.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>
#include "PtexVersion.h"

Go to the source code of this file.

Classes
class	Mutex
class	SpinLock
struct	AtomicCompareAndSwapImpl< T, n >
struct	AtomicCompareAndSwapImpl< T, sizeof(uint32_t)>
struct	AtomicCompareAndSwapImpl< T, sizeof(uint64_t)>

Macros
#define	PtexPlatform_h
#define	ATOMIC_ALIGNED   __attribute__((aligned(8)))
#define	ATOMIC_ADD32(x, y)   __sync_add_and_fetch(x,y)
#define	ATOMIC_ADD64(x, y)   __sync_add_and_fetch(x,y)
#define	ATOMIC_SUB32(x, y)   __sync_sub_and_fetch(x,y)
#define	ATOMIC_SUB64(x, y)   __sync_sub_and_fetch(x,y)
#define	MEM_FENCE()   __sync_synchronize()
#define	BOOL_CMPXCH32(x, y, z)   __sync_bool_compare_and_swap((x),(y),(z))
#define	BOOL_CMPXCH64(x, y, z)   __sync_bool_compare_and_swap((x),(y),(z))
#define	PTEX_INLINE   inline __attribute__((always_inline))
#define	CACHE_LINE_SIZE   64
#define	CACHE_LINE_PAD(var, type)   char var##_pad[CACHE_LINE_SIZE - sizeof(type)]
#define	CACHE_LINE_PAD_INIT(var)   memset(&var##_pad[0], 0, sizeof(var##_pad))

Typedefs
typedef off_t	FilePos

Functions
template<typename T >
PTEX_INLINE T	AtomicAdd (volatile T *target, T value)
template<typename T >
PTEX_INLINE T	AtomicIncrement (volatile T *target)
template<typename T >
PTEX_INLINE T	AtomicSubtract (volatile T *target, T value)
template<typename T >
PTEX_INLINE T	AtomicDecrement (volatile T *target)
template<typename T >
PTEX_INLINE bool	AtomicCompareAndSwap (T volatile *target, T oldvalue, T newvalue)
template<typename T >
PTEX_INLINE void	AtomicStore (T volatile *target, T value)
PTEX_INLINE void	PtexMemoryFence ()

Detailed Description

Platform-specific classes, functions, and includes.

Definition in file PtexPlatform.h.

Macro Definition Documentation

ATOMIC_ADD32

#define ATOMIC_ADD32	(		x,
			y
	)		__sync_add_and_fetch(x,y)

Definition at line 183 of file PtexPlatform.h.

ATOMIC_ADD64

#define ATOMIC_ADD64	(		x,
			y
	)		__sync_add_and_fetch(x,y)

Definition at line 184 of file PtexPlatform.h.

ATOMIC_ALIGNED

#define ATOMIC_ALIGNED   __attribute__((aligned(8)))

Definition at line 182 of file PtexPlatform.h.

ATOMIC_SUB32

#define ATOMIC_SUB32	(		x,
			y
	)		__sync_sub_and_fetch(x,y)

Definition at line 185 of file PtexPlatform.h.

ATOMIC_SUB64

#define ATOMIC_SUB64	(		x,
			y
	)		__sync_sub_and_fetch(x,y)

Definition at line 186 of file PtexPlatform.h.

BOOL_CMPXCH32

#define BOOL_CMPXCH32	(		x,
			y,
			z
	)		__sync_bool_compare_and_swap((x),(y),(z))

Definition at line 188 of file PtexPlatform.h.

BOOL_CMPXCH64

#define BOOL_CMPXCH64	(		x,
			y,
			z
	)		__sync_bool_compare_and_swap((x),(y),(z))

Definition at line 189 of file PtexPlatform.h.

CACHE_LINE_PAD

#define CACHE_LINE_PAD	(		var,
			type
	)		char var##_pad[CACHE_LINE_SIZE - sizeof(type)]

Definition at line 290 of file PtexPlatform.h.

CACHE_LINE_PAD_INIT

#define CACHE_LINE_PAD_INIT

(

var

)

memset(&var##_pad[0], 0, sizeof(var##_pad))

Definition at line 291 of file PtexPlatform.h.

CACHE_LINE_SIZE

#define CACHE_LINE_SIZE   64

Definition at line 287 of file PtexPlatform.h.

MEM_FENCE

#define MEM_FENCE

(

)

__sync_synchronize()

Definition at line 187 of file PtexPlatform.h.

PTEX_INLINE

#define PTEX_INLINE   inline __attribute__((always_inline))

Definition at line 192 of file PtexPlatform.h.

PtexPlatform_h

#define PtexPlatform_h

Definition at line 4 of file PtexPlatform.h.

Typedef Documentation

FilePos

typedef off_t FilePos

Definition at line 88 of file PtexPlatform.h.

Function Documentation

AtomicAdd()

template<typename T >

PTEX_INLINE T AtomicAdd	(	volatile T *	target,
		T	value
	)

Definition at line 198 of file PtexPlatform.h.

References ATOMIC_ADD32, and ATOMIC_ADD64.

Referenced by PtexReaderCache::adjustFilesOpen(), PtexReaderCache::adjustMemUsed(), AtomicIncrement(), and PtexReader::increaseMemUsed().

AtomicCompareAndSwap()

template<typename T >

PTEX_INLINE bool AtomicCompareAndSwap	(	T volatile *	target,
		T	oldvalue,
		T	newvalue
	)

Definition at line 267 of file PtexPlatform.h.

Referenced by PtexReader::TiledReducedFace::getTile(), PtexHashMap< StringKey, PtexCachedReader * >::lockEntries(), PtexCachedReader::ref(), and PtexCachedReader::trylock().

AtomicDecrement()

template<typename T >

PTEX_INLINE T AtomicDecrement

(

volatile T *

target

)

Definition at line 236 of file PtexPlatform.h.

References AtomicSubtract().

Referenced by PtexCachedReader::unref().

AtomicIncrement()

template<typename T >

PTEX_INLINE T AtomicIncrement

(

volatile T *

target

)

Definition at line 214 of file PtexPlatform.h.

References AtomicAdd().

Referenced by PtexReader::logBlockRead(), PtexReader::logOpen(), and PtexReaderCache::logRecentlyUsed().

AtomicStore()

template<typename T >

PTEX_INLINE void AtomicStore	(	T volatile *	target,
		T	value
	)

Definition at line 273 of file PtexPlatform.h.

References MEM_FENCE.

Referenced by PtexReader::open(), PtexReaderCache::processMru(), PtexReader::readFaceData(), PtexReader::readLevel(), PtexReader::readMetaData(), PtexCachedReader::unlock(), and PtexHashMap< StringKey, PtexCachedReader * >::unlockEntries().

AtomicSubtract()

template<typename T >

PTEX_INLINE T AtomicSubtract	(	volatile T *	target,
		T	value
	)

Definition at line 220 of file PtexPlatform.h.

References ATOMIC_SUB32, and ATOMIC_SUB64.

Referenced by AtomicDecrement().

PtexMemoryFence()

PTEX_INLINE void PtexMemoryFence

(

)

Definition at line 279 of file PtexPlatform.h.

References MEM_FENCE.

Referenced by PtexHashMap< StringKey, PtexCachedReader * >::tryInsert().