QB_RB_OPEN(3) libqb Programmer's Manual QB_RB_OPEN(3) NAME qb_rb_open - Create the ring buffer with the given type. SYNOPSIS #include qb_ringbuffer_t * qb_rb_open( const char *name, size_t size, uint32_t flags, size_t shared_user_data_size ); 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. LIBQB 2021-03-03 QB_RB_OPEN(3)