mem.c File Reference

Data Structures
struct	mempool
struct	memblock
struct	mapping
struct	memmap

Macros
#define	NAME   "mempool"
#define	HAVE_MEMFD_CREATE   1
#define	MFD_CLOEXEC   0x0001U
#define	MFD_ALLOW_SEALING   0x0002U
#define	F_LINUX_SPECIFIC_BASE   1024
#define	F_ADD_SEALS   (F_LINUX_SPECIFIC_BASE + 9)
#define	F_GET_SEALS   (F_LINUX_SPECIFIC_BASE + 10)
#define	F_SEAL_SEAL   0x0001 /* prevent further seals from being set */
#define	F_SEAL_SHRINK   0x0002 /* prevent file from shrinking */
#define	F_SEAL_GROW   0x0004 /* prevent file from growing */
#define	F_SEAL_WRITE   0x0008 /* prevent writes */
#define	pw_mempool_emit(p, m, v, ...)   spa_hook_list_call(&p->listener_list, struct pw_mempool_events, m, v, ##__VA_ARGS__)
#define	pw_mempool_emit_destroy(p)   pw_mempool_emit(p, destroy, 0)
#define	pw_mempool_emit_added(p, b)   pw_mempool_emit(p, added, 0, b)
#define	pw_mempool_emit_removed(p, b)   pw_mempool_emit(p, removed, 0, b)

Functions
struct pw_mempool *	pw_mempool_new (struct pw_properties *props)
	Create a new memory pool. More...
void	pw_mempool_clear (struct pw_mempool *pool)
	Clear a pool. More...
void	pw_mempool_destroy (struct pw_mempool *pool)
	Clear and destroy a pool. More...
void	pw_mempool_add_listener (struct pw_mempool *pool, struct spa_hook *listener, const struct pw_mempool_events *events, void *data)
	Listen for events. More...
struct pw_memmap *	pw_memblock_map (struct pw_memblock *block, enum pw_memmap_flags flags, uint32_t offset, uint32_t size, uint32_t tag[5])
	Map a region of a memory block. More...
struct pw_memmap *	pw_mempool_map_id (struct pw_mempool *pool, uint32_t id, enum pw_memmap_flags flags, uint32_t offset, uint32_t size, uint32_t tag[5])
	Map a region of a memory block with id. More...
int	pw_memmap_free (struct pw_memmap *map)
	Unmap a region. More...
struct pw_memblock *	pw_mempool_alloc (struct pw_mempool *pool, enum pw_memblock_flags flags, uint32_t type, size_t size)
	Create a new memblock. More...
struct pw_memblock *	pw_mempool_import (struct pw_mempool *pool, enum pw_memblock_flags flags, uint32_t type, int fd)
	Import an fd into the pool. More...
struct pw_memblock *	pw_mempool_import_block (struct pw_mempool *pool, struct pw_memblock *mem)
	Import a block from another pool. More...
struct pw_memmap *	pw_mempool_import_map (struct pw_mempool *pool, struct pw_mempool *other, void *data, uint32_t size, uint32_t tag[5])
int	pw_mempool_remove_id (struct pw_mempool *pool, uint32_t id)
	Remove a memblock for given id. More...
void	pw_memblock_free (struct pw_memblock *block)
	Free a memblock. More...
struct pw_memblock *	pw_mempool_find_ptr (struct pw_mempool *pool, const void *ptr)
	Find memblock for given ptr. More...
struct pw_memblock *	pw_mempool_find_id (struct pw_mempool *pool, uint32_t id)
	Find memblock for given id. More...
struct pw_memblock *	pw_mempool_find_fd (struct pw_mempool *pool, int fd)
	Find memblock for given fd. More...
struct pw_memmap *	pw_mempool_find_tag (struct pw_mempool *pool, uint32_t tag[5], size_t size)
	find a map with the given tag More...

Macro Definition Documentation

F_ADD_SEALS

#define F_ADD_SEALS   (F_LINUX_SPECIFIC_BASE + 9)

F_GET_SEALS

#define F_GET_SEALS   (F_LINUX_SPECIFIC_BASE + 10)

F_LINUX_SPECIFIC_BASE

#define F_LINUX_SPECIFIC_BASE   1024

F_SEAL_GROW

#define F_SEAL_GROW   0x0004 /* prevent file from growing */

F_SEAL_SEAL

#define F_SEAL_SEAL   0x0001 /* prevent further seals from being set */

F_SEAL_SHRINK

#define F_SEAL_SHRINK   0x0002 /* prevent file from shrinking */

F_SEAL_WRITE

#define F_SEAL_WRITE   0x0008 /* prevent writes */

HAVE_MEMFD_CREATE

#define HAVE_MEMFD_CREATE   1

MFD_ALLOW_SEALING

#define MFD_ALLOW_SEALING   0x0002U

MFD_CLOEXEC

#define MFD_CLOEXEC   0x0001U

NAME

#define NAME   "mempool"

pw_mempool_emit

#define pw_mempool_emit	(		p,
			m,
			v,
			...
	)		spa_hook_list_call(&p->listener_list, struct pw_mempool_events, m, v, ##__VA_ARGS__)

pw_mempool_emit_added

#define pw_mempool_emit_added	(		p,
			b
	)		pw_mempool_emit(p, added, 0, b)

pw_mempool_emit_destroy

#define pw_mempool_emit_destroy

(

p

)

pw_mempool_emit(p, destroy, 0)

pw_mempool_emit_removed

#define pw_mempool_emit_removed	(		p,
			b
	)		pw_mempool_emit(p, removed, 0, b)