PipeWire  0.2.7
mem.h File Reference
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Data Structures

class  pw_memblock
 Memory block structure. More...
 
struct  pw_map_range
 parameters to map a memory range More...
 

Macros

#define PW_MEMBLOCK_FLAG_MAP_READWRITE   (PW_MEMBLOCK_FLAG_MAP_READ | PW_MEMBLOCK_FLAG_MAP_WRITE)
 
#define PW_MAP_RANGE_INIT   (struct pw_map_range){ 0, }
 

Functions

int pw_memblock_alloc (enum pw_memblock_flags flags, size_t size, struct pw_memblock **mem)
 
int pw_memblock_import (enum pw_memblock_flags flags, int fd, off_t offset, size_t size, struct pw_memblock **mem)
 
int pw_memblock_map (struct pw_memblock *mem)
 
void pw_memblock_free (struct pw_memblock *mem)
 
struct pw_memblockpw_memblock_find (const void *ptr)
 Find memblock for given ptr. More...
 

Macro Definition Documentation

#define PW_MAP_RANGE_INIT   (struct pw_map_range){ 0, }
#define PW_MEMBLOCK_FLAG_MAP_READWRITE   (PW_MEMBLOCK_FLAG_MAP_READ | PW_MEMBLOCK_FLAG_MAP_WRITE)

Function Documentation

int pw_memblock_alloc ( enum pw_memblock_flags  flags,
size_t  size,
struct pw_memblock **  mem 
)
struct pw_memblock* pw_memblock_find ( const void *  ptr)

Find memblock for given ptr.

References memblock::link, memblock::mem, pw_memblock::ptr, and pw_memblock::size.

void pw_memblock_free ( struct pw_memblock mem)
int pw_memblock_import ( enum pw_memblock_flags  flags,
int  fd,
off_t  offset,
size_t  size,
struct pw_memblock **  mem 
)
int pw_memblock_map ( struct pw_memblock mem)