section 3 · Library functions 📚

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I (continued)

io_uring_get_events(3)Flush outstanding requests to CQE ring✨
io_uring_get_probe(3)get probe instance✨
io_uring_get_probe_ring(3)get probe information from an existing ring✨
io_uring_get_sqe(3)get the next available submission queue entry from the submission queue✨
io_uring_get_sqe128(3)get the next available 128-byte submission queue entry from the submission queue✨
io_uring_major_version(3)functions and macros to check the liburing version✨
io_uring_memory_size_params(3)get memory size needed for a ring with params✨
io_uring_minor_version(3)functions and macros to check the liburing version✨
io_uring_mlock_size(3)get required memlock size for a ring✨
io_uring_mlock_size_params(3)get required memlock size for a ring with params✨
io_uring_opcode_supported(3)is op code supported?✨
io_uring_peek_batch_cqe(3)check if an io_uring completion event is available✨
io_uring_peek_cqe(3)check if an io_uring completion event is available✨
io_uring_prep_accept(3)prepare an accept request✨
io_uring_prep_accept_direct(3)prepare an accept request✨
io_uring_prep_bind(3)prepare a bind request✨
io_uring_prep_cancel(3)prepare a cancelation request✨
io_uring_prep_cancel64(3)prepare a cancelation request✨
io_uring_prep_cancel_fd(3)prepare a cancelation request✨
io_uring_prep_close(3)prepare a file descriptor close request✨
io_uring_prep_close_direct(3)prepare a file descriptor close request✨
io_uring_prep_cmd(3)prepare a command request for a socket✨
io_uring_prep_cmd_discard(3)prepare a discard command✨
io_uring_prep_cmd_getsockname(3)prepare a getsockname or getpeername request✨
io_uring_prep_cmd_sock(3)prepare a command request for a socket✨
io_uring_prep_connect(3)prepare a connect request✨
io_uring_prep_epoll_ctl(3)prepare an epoll_ctl request✨
io_uring_prep_epoll_wait(3)prepare an epoll wait request✨
io_uring_prep_fadvise(3)prepare a fadvise request✨
io_uring_prep_fadvise64(3)prepare a fadvise request✨
io_uring_prep_fallocate(3)prepare a fallocate request✨
io_uring_prep_fgetxattr(3)prepare a request to get an extended attribute value✨
io_uring_prep_files_update(3)prepare a registered file update request✨
io_uring_prep_fixed_fd_install(3)prepare fixed file fd installation request✨
io_uring_prep_fsetxattr(3)prepare a request to set an extended attribute value✨
io_uring_prep_fsync(3)prepare an fsync request✨
io_uring_prep_ftruncate(3)prepare an ftruncate request✨
io_uring_prep_futex_wait(3)prepare a futex wait request✨
io_uring_prep_futex_waitv(3)prepare a futex waitv request✨
io_uring_prep_futex_wake(3)prepare a futex wake request✨
io_uring_prep_getsockname(3)prepare a getsockname or getpeername request✨
io_uring_prep_getxattr(3)prepare a request to get an extended attribute value✨
io_uring_prep_link(3)prepare a linkat request✨
io_uring_prep_link_timeout(3)a timeout request for linked sqes✨
io_uring_prep_linkat(3)prepare a linkat request✨
io_uring_prep_listen(3)prepare a listen request✨
io_uring_prep_madvise(3)prepare a madvise request✨
io_uring_prep_madvise64(3)prepare a madvise request✨
io_uring_prep_mkdir(3)prepare an mkdirat request✨
io_uring_prep_mkdirat(3)prepare an mkdirat request✨
io_uring_prep_msg_ring(3)send a message to another ring✨
io_uring_prep_msg_ring_cqe_flags(3)send a message to another ring✨
io_uring_prep_msg_ring_fd(3)send a direct descriptor to another ring✨
io_uring_prep_msg_ring_fd_alloc(3)send a direct descriptor to another ring✨
io_uring_prep_multishot_accept(3)prepare an accept request✨
io_uring_prep_multishot_accept_direct(3)prepare an accept request✨
io_uring_prep_nop(3)prepare a nop request✨
io_uring_prep_nop128(3)prepare a nop request✨
io_uring_prep_open(3)prepare an openat request✨
io_uring_prep_open_direct(3)prepare an openat request✨
io_uring_prep_openat(3)prepare an openat request✨
io_uring_prep_openat2(3)prepare an openat2 request✨
io_uring_prep_openat2_direct(3)prepare an openat2 request✨
io_uring_prep_openat_direct(3)prepare an openat request✨
io_uring_prep_pipe(3)prepare a pipe creation request✨
io_uring_prep_pipe_direct(3)prepare a pipe creation request✨
io_uring_prep_poll_add(3)prepare a poll request✨
io_uring_prep_poll_multishot(3)prepare a poll request✨
io_uring_prep_poll_remove(3)prepare a poll deletion request✨
io_uring_prep_poll_update(3)update an existing poll request✨
io_uring_prep_provide_buffers(3)prepare a provide buffers request✨
io_uring_prep_read(3)prepare I/O read request✨
io_uring_prep_read_fixed(3)prepare I/O read request with registered buffer✨
io_uring_prep_read_multishot(3)prepare I/O read multishot request✨
io_uring_prep_readv(3)prepare vector I/O read request✨
io_uring_prep_readv2(3)prepare vector I/O read request with flags✨
io_uring_prep_readv_fixed(3)prepare a vectored read using fixed buffers✨
io_uring_prep_recv(3)prepare a recv request✨
io_uring_prep_recv_multishot(3)prepare a recv request✨
io_uring_prep_recvmsg(3)prepare a recvmsg request✨
io_uring_prep_recvmsg_multishot(3)prepare a recvmsg request✨
io_uring_prep_remove_buffers(3)prepare a remove buffers request✨
io_uring_prep_rename(3)prepare a renameat request✨
io_uring_prep_renameat(3)prepare a renameat request✨
io_uring_prep_send(3)prepare a send request✨
io_uring_prep_send_bundle(3)prepare a send request✨
io_uring_prep_send_set_addr(3)set address details for send requests✨
io_uring_prep_send_zc(3)prepare a zerocopy send request✨
io_uring_prep_send_zc_fixed(3)prepare a zerocopy send request✨
io_uring_prep_sendmsg(3)prepare a sendmsg request✨
io_uring_prep_sendmsg_zc(3)prepare a sendmsg request✨
io_uring_prep_sendmsg_zc_fixed(3)prepare a zero-copy sendmsg using fixed buffers✨
io_uring_prep_sendto(3)prepare a send request✨
io_uring_prep_setxattr(3)prepare a request to set an extended attribute value✨
io_uring_prep_shutdown(3)prepare a shutdown request✨
io_uring_prep_socket(3)prepare a socket creation request✨
io_uring_prep_socket_direct(3)prepare a socket creation request✨
io_uring_prep_socket_direct_alloc(3)prepare a socket creation request✨
io_uring_prep_splice(3)prepare an splice request✨
io_uring_prep_statx(3)prepare a statx request✨
io_uring_prep_symlink(3)prepare a symlinkat request✨
io_uring_prep_symlinkat(3)prepare a symlinkat request✨
io_uring_prep_sync_file_range(3)prepare a sync_file_range request✨
io_uring_prep_tee(3)prepare a tee request✨
io_uring_prep_timeout(3)prepare a timeout request✨
io_uring_prep_timeout_remove(3)prepare a request to update an existing timeout✨
io_uring_prep_timeout_update(3)prepare a request to update an existing timeout✨
io_uring_prep_unlink(3)prepare an unlinkat request✨
io_uring_prep_unlinkat(3)prepare an unlinkat request✨
io_uring_prep_uring_cmd(3)prepare a uring_cmd request✨
io_uring_prep_uring_cmd128(3)prepare a uring_cmd request✨
io_uring_prep_waitid(3)prepare a waitid request✨
io_uring_prep_write(3)prepare I/O write request✨
io_uring_prep_write_fixed(3)prepare I/O write request with registered buffer✨
io_uring_prep_writev(3)prepare vector I/O write request✨
io_uring_prep_writev2(3)prepare vector I/O write request with flags✨
io_uring_prep_writev_fixed(3)prepare a vectored write using fixed buffers✨
io_uring_queue_exit(3)tear down io_uring submission and completion queues✨
io_uring_queue_init(3)setup io_uring submission and completion queues✨
io_uring_queue_init_mem(3)setup io_uring submission and completion queues✨
io_uring_queue_init_params(3)setup io_uring submission and completion queues✨
io_uring_queue_mmap(3)mmap io_uring ring after setup✨
io_uring_recvmsg_cmsg_firsthdr(3)access data from multishot recvmsg✨
io_uring_recvmsg_cmsg_nexthdr(3)access data from multishot recvmsg✨
io_uring_recvmsg_name(3)access data from multishot recvmsg✨
io_uring_recvmsg_out(3)access data from multishot recvmsg✨
io_uring_recvmsg_payload(3)access data from multishot recvmsg✨
io_uring_recvmsg_payload_length(3)access data from multishot recvmsg✨
io_uring_recvmsg_validate(3)access data from multishot recvmsg✨
io_uring_register_bpf_filter(3)register classic BPF filters for io_uring operations✨
io_uring_register_bpf_filter_task(3)register classic BPF filters for io_uring operations✨
io_uring_register_buf_ring(3)register buffer ring for provided buffers✨
io_uring_register_buffers(3)register buffers for fixed buffer operations✨
io_uring_register_buffers_sparse(3)register buffers for fixed buffer operations✨
io_uring_register_buffers_tags(3)register buffers for fixed buffer operations✨
io_uring_register_buffers_update_tag(3)register buffers for fixed buffer operations✨
io_uring_register_clock(3)set clock source for event waiting✨
io_uring_register_eventfd(3)register an eventfd with a ring✨
io_uring_register_eventfd_async(3)register an eventfd with a ring✨
io_uring_register_file_alloc_range(3)set range for fixed file allocations✨
io_uring_register_files(3)register file descriptors✨
io_uring_register_files_sparse(3)register file descriptors✨
io_uring_register_files_tags(3)register file descriptors✨
io_uring_register_files_update(3)register file descriptors✨
io_uring_register_files_update_tag(3)register file descriptors✨
io_uring_register_ifq(3)register a zero-copy receive interface queue✨
io_uring_register_iowq_aff(3)register async worker CPU affinities✨
io_uring_register_iowq_max_workers(3)modify the maximum allowed async workers✨
io_uring_register_napi(3)register NAPI busy poll settings✨
io_uring_register_personality(3)register credentials with io_uring✨
io_uring_register_probe(3)register probe with io_uring✨
io_uring_register_query(3)query io_uring capabilities and feature support✨
io_uring_register_reg_wait(3)Registers fixed wait regions✨
io_uring_register_region(3)register a memory region✨
io_uring_register_restrictions(3)register restrictions with io_uring✨
io_uring_register_ring_fd(3)register a ring file descriptor✨
io_uring_register_sync_cancel(3)issue a synchronous cancelation request✨
io_uring_register_sync_msg(3)send a synchronous message to another ring✨
io_uring_register_wait_reg(3)register wait regions with io_uring✨
io_uring_register_zcrx_ctrl(3)perform control operations on a zero-copy receive context✨
io_uring_resize_rings(3)resize the SQ and CQ rings✨
io_uring_ring_dontfork(3)prevent ring memory from being shared after fork✨
io_uring_set_iowait(3)toggle of iowait usage when waiting on CQEs✨
io_uring_setup_buf_ring(3)setup and register buffer ring for provided buffers✨
io_uring_setup_reg_wait(3)Sets up and registers fixed wait regions✨
io_uring_sq_ready(3)number of unconsumed or unsubmitted entries in the SQ ring✨
io_uring_sq_space_left(3)free space in the SQ ring✨
io_uring_sqe_set_buf_group(3)set buf group for submission queue event✨
io_uring_sqe_set_data(3)set user data for submission queue event✨
io_uring_sqe_set_data64(3)set user data for submission queue event✨
io_uring_sqe_set_flags(3)set flags for submission queue entry✨
io_uring_sqring_wait(3)wait for free space in the SQ ring✨
io_uring_submit(3)submit requests to the submission queue✨
io_uring_submit_and_get_events(3)submit requests to the submission queue and flush completions✨
io_uring_submit_and_wait(3)submit requests to the submission queue and wait for completion✨
io_uring_submit_and_wait_min_timeout(3)submit requests to the submission queue and wait for the completion with both batch and normal timeout✨
io_uring_submit_and_wait_reg(3)Sets up and registers fixed wait regions✨
io_uring_submit_and_wait_timeout(3)submit requests to the submission queue and wait for the completion with timeout✨
io_uring_unregister_buf_ring(3)unregister a previously registered buffer ring✨
io_uring_unregister_buffers(3)unregister buffers for fixed buffer operations✨
io_uring_unregister_eventfd(3)register an eventfd with a ring✨
io_uring_unregister_files(3)unregister file descriptors✨
io_uring_unregister_iowq_aff(3)register async worker CPU affinities✨
io_uring_unregister_napi(3)unregister NAPI busy poll settings✨
io_uring_unregister_personality(3)unregister a personality from io_uring✨
io_uring_unregister_ring_fd(3)unregister a ring file descriptor✨
IO_URING_VERSION_MAJOR(3)functions and macros to check the liburing version✨
IO_URING_VERSION_MINOR(3)functions and macros to check the liburing version✨
io_uring_wait_cqe(3)wait for one io_uring completion event✨
io_uring_wait_cqe_nr(3)wait for one or more io_uring completion events✨
io_uring_wait_cqe_timeout(3)wait for one io_uring completion event with timeout✨
io_uring_wait_cqes(3)wait for one or more io_uring completion events✨
io_uring_wait_cqes_min_timeout(3)wait for completions with both batch and normal timeout✨
io_wait(3)wait for events✨
io_waitread(3)read from a descriptor✨
io_waituntil(3)wait for events✨
io_wantread(3)signal that you want to read from a descriptor✨
io_wantwrite(3)signal that you want to write to a descriptor✨
iob_addbuf(3)add buffer to I/O batch✨
iob_addbuf_free(3)add buffer to I/O batch, with deallocation✨