smpi_shared.cpp File Reference

#include <map>
#include <cstring>
#include "private.hpp"
#include <cerrno>
#include <sys/types.h>
#include <sys/mman.h>
#include <cstdio>
#include <fcntl.h>
#include <sys/stat.h>

Macros
#define	MAP_ANONYMOUS   MAP_ANON
#define	MAP_POPULATE   0
#define	PTR_STRLEN   (2 + 2 * sizeof(void*) + 1)
#define	PAGE_SIZE   0x1000
#define	ALIGN_UP(n, align)   (((n) + (align)-1) & -(align))
#define	ALIGN_DOWN(n, align)   ((n) & -(align))
#define	HUGE_PAGE_SIZE   1<<21

Functions
	XBT_LOG_NEW_DEFAULT_SUBCATEGORY (smpi_shared, smpi, "Logging specific to SMPI (shared memory macros)")
void	smpi_shared_destroy ()
static size_t	shm_size (int fd)
static void *	shm_map (int fd, size_t size, shared_data_key_type *data)
static void *	smpi_shared_malloc_local (size_t size, const char *file, int line)
void *	smpi_shared_malloc_partial (size_t size, size_t *shared_block_offsets, int nb_shared_blocks)
void *	smpi_shared_malloc (size_t size, const char *file, int line)
int	smpi_is_shared (void *ptr, std::vector< std::pair< size_t, size_t >> &private_blocks, size_t *offset)
std::vector< std::pair< size_t, size_t > >	shift_and_frame_private_blocks (const std::vector< std::pair< size_t, size_t >> vec, size_t offset, size_t buff_size)
std::vector< std::pair< size_t, size_t > >	merge_private_blocks (std::vector< std::pair< size_t, size_t >> src, std::vector< std::pair< size_t, size_t >> dst)
void	smpi_shared_free (void *ptr)
int	smpi_shared_known_call (const char *func, const char *input)
void *	smpi_shared_get_call (const char *func, const char *input)
void *	smpi_shared_set_call (const char *func, const char *input, void *data)

Macro Definition Documentation

MAP_ANONYMOUS

#define MAP_ANONYMOUS   MAP_ANON

MAP_POPULATE

#define MAP_POPULATE   0

PTR_STRLEN

#define PTR_STRLEN   (2 + 2 * sizeof(void*) + 1)

PAGE_SIZE

#define PAGE_SIZE   0x1000

ALIGN_UP

#define ALIGN_UP	(		n,
			align
	)		(((n) + (align)-1) & -(align))

ALIGN_DOWN

#define ALIGN_DOWN	(		n,
			align
	)		((n) & -(align))

HUGE_PAGE_SIZE

#define HUGE_PAGE_SIZE   1<<21

Function Documentation

XBT_LOG_NEW_DEFAULT_SUBCATEGORY()

XBT_LOG_NEW_DEFAULT_SUBCATEGORY	(	smpi_shared	,
		smpi	,
		"Logging specific to SMPI (shared memory macros)"
	)

smpi_shared_destroy()

void smpi_shared_destroy

(

)

shm_size()

static size_t shm_size ( int  fd )

static

shm_map()

static void* shm_map ( int  fd, size_t  size, shared_data_key_type *  data  )

static

smpi_shared_malloc_local()

static void* smpi_shared_malloc_local ( size_t  size, const char *  file, int  line  )

static

smpi_shared_malloc_partial()

void* smpi_shared_malloc_partial	(	size_t	size,
		size_t *	shared_block_offsets,
		int	nb_shared_blocks
	)

smpi_shared_malloc()

void* smpi_shared_malloc	(	size_t	size,
		const char *	file,
		int	line
	)

smpi_is_shared()

int smpi_is_shared	(	void *	ptr,
		std::vector< std::pair< size_t, size_t >> &	private_blocks,
		size_t *	offset
	)

Examples:

include/smpi/smpi.h.

shift_and_frame_private_blocks()

std::vector<std::pair<size_t, size_t> > shift_and_frame_private_blocks	(	const std::vector< std::pair< size_t, size_t >>	vec,
		size_t	offset,
		size_t	buff_size
	)

Examples:

include/smpi/smpi.h.

merge_private_blocks()

std::vector<std::pair<size_t, size_t> > merge_private_blocks	(	std::vector< std::pair< size_t, size_t >>	src,
		std::vector< std::pair< size_t, size_t >>	dst
	)

Examples:

include/smpi/smpi.h.

smpi_shared_free()

void smpi_shared_free

(

void *

ptr

)

smpi_shared_known_call()

int smpi_shared_known_call	(	const char *	func,
		const char *	input
	)

smpi_shared_get_call()

void* smpi_shared_get_call	(	const char *	func,
		const char *	input
	)

smpi_shared_set_call()

void* smpi_shared_set_call	(	const char *	func,
		const char *	input,
		void *	data
	)