23 lines
627 B
C
23 lines
627 B
C
#ifndef RING_BUFFER_H
|
|
#define RING_BUFFER_H
|
|
|
|
typedef struct {
|
|
unsigned char * buffer;
|
|
size_t write_ptr;
|
|
size_t read_ptr;
|
|
size_t size;
|
|
uint8_t volatile lock;
|
|
list_t * wait_queue_readers;
|
|
list_t * wait_queue_writers;
|
|
} ring_buffer_t;
|
|
|
|
size_t ring_buffer_unread(ring_buffer_t * ring_buffer);
|
|
size_t ring_buffer_size(fs_node_t * node);
|
|
size_t ring_buffer_available(ring_buffer_t * ring_buffer);
|
|
size_t ring_buffer_read(ring_buffer_t * ring_buffer, size_t size, uint8_t * buffer);
|
|
size_t ring_buffer_write(ring_buffer_t * ring_buffer, size_t size, uint8_t * buffer);
|
|
|
|
ring_buffer_t * ring_buffer_create(size_t size);
|
|
|
|
#endif
|