qb_rb_open - Man Page
Create the ring buffer with the given type.
Synopsis
#include <qb/qbrb.h>
qb_ringbuffer_t * qb_rb_open(
const char *name, /* the unique name of this ringbuffer. */
size_t size, /* the requested size. */
uint32_t flags, /* or'ed flags */
size_t shared_user_data_size /* size for a shared data area. */
);Params
name the unique name of this ringbuffer.
size the requested size.
flags or'ed flags
shared_user_data_size size for a shared data area.
Description
This creates allocates a ring buffer in shared memory.
Return Value
a new ring buffer or NULL if there was a problem.
Note
the actual size will be rounded up to the next page size.
See Also
qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3), qb_rb_write_to_file(3), qb_rb_create_from_file(3), qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3), qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3), qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3), qb_rb_name_get(3), qb_rb_chunk_alloc(3), qb_rb_chunk_read(3)
Copyright
Copyright (C) 2010-2020 Red Hat, Inc.
Referenced By
qb_rb_chmod(3), qb_rb_chown(3), qb_rb_chunk_alloc(3), qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_chunk_read(3), qb_rb_chunk_reclaim(3), qb_rb_chunks_used(3), qb_rb_chunk_write(3), qb_rb_close(3), qb_rb_create_from_file(3), qbrb.h(3), qb_rb_name_get(3), qb_rb_refcount_get(3), qb_rb_shared_user_data_get(3), qb_rb_space_free(3), qb_rb_space_used(3), qb_rb_write_to_file(3).