Public Types | |
| enum | pw_memblock_flags |
| Flags passed to pw_mempool_alloc() More... | |
Public Member Functions | |
| SPA_EXPORT 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... | |
| SPA_EXPORT void | pw_memblock_free (struct pw_memblock *block) |
| Free a memblock. More... | |
Data Fields | |
| struct pw_mempool * | pool |
| owner pool More... | |
| uint32_t | id |
| unique id More... | |
| int | ref |
| refcount More... | |
| uint32_t | flags |
| flags for the memory block on of enum pw_memblock_flags More... | |
| uint32_t | type |
| type of the fd, one of enum spa_data_type More... | |
| int | fd |
| fd More... | |
| uint32_t | size |
| size of memory More... | |
| struct pw_memmap * | map |
| optional map when PW_MEMBLOCK_FLAG_MAP was given More... | |
Detailed Description
A memory pool is a collection of pw_memblocks
Memory block structure
Member Enumeration Documentation
◆ pw_memblock_flags
| enum pw_memblock_flags |
Flags passed to pw_mempool_alloc()
Member Function Documentation
◆ pw_memblock_free()
| SPA_EXPORT void pw_memblock_free | ( | struct pw_memblock * | block | ) |
Free a memblock.
- Parameters
-
mem a memblock
References mapping::block, memblock::link, mapping::link, memblock::mappings, memblock::memmaps, NAME, pool, pw_log::pw_log_debug, pw_log::pw_log_warn, pw_map::pw_map_remove(), PW_MEMBLOCK_FLAG_DONT_NOTIFY, pw_memmap_free(), pw_mempool_emit_removed, and memmap::this.
Referenced by pw_mempool_clear().
◆ pw_mempool_alloc()
| SPA_EXPORT 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.
- Parameters
-
pool the pool to use flags memblock flags type the requested memory type one of enum spa_data_type size size to allocate
- Returns
- a memblock structure or NULL with errno on error
References F_ADD_SEALS, F_SEAL_GROW, F_SEAL_SEAL, F_SEAL_SHRINK, fd, flags, map, memblock::mappings, memblock::memmaps, MFD_ALLOW_SEALING, MFD_CLOEXEC, NAME, pool, pw_log::pw_log_error, pw_log::pw_log_warn, PW_MEMBLOCK_FLAG_MAP, PW_MEMBLOCK_FLAG_SEAL, pw_memblock_map(), ref, res, size, memblock::this, and type.
Referenced by pw_control_add_link().
Field Documentation
◆ fd
| int pw_memblock::fd |
fd
Referenced by pw_memmap_free(), pw_mempool_alloc(), pw_mempool_import_block(), and pw_mempool_remove_id().
◆ flags
| uint32_t pw_memblock::flags |
flags for the memory block on of enum pw_memblock_flags
Referenced by pw_mempool_alloc(), and pw_mempool_import_block().
◆ id
| uint32_t pw_memblock::id |
unique id
Referenced by pw_mempool_find_ptr(), and pw_mempool_remove_id().
◆ map
| struct pw_memmap* pw_memblock::map |
optional map when PW_MEMBLOCK_FLAG_MAP was given
Referenced by pw_mempool_alloc(), and pw_mempool_import_map().
◆ pool
| struct pw_mempool* pw_memblock::pool |
owner pool
Referenced by pw_memblock_free(), pw_memblock_map(), pw_memmap_free(), pw_mempool_alloc(), and pw_mempool_import_block().
◆ ref
| int pw_memblock::ref |
refcount
Referenced by pw_mempool_alloc(), pw_mempool_import_map(), and pw_mempool_remove_id().
◆ size
| uint32_t pw_memblock::size |
size of memory
Referenced by pw_mempool_alloc().
◆ type
| uint32_t pw_memblock::type |
type of the fd, one of enum spa_data_type
Referenced by pw_mempool_alloc(), and pw_mempool_import_block().
The documentation for this class was generated from the following files:
