during.io_uring

io_uring system api definitions.

Last changes from: 760618f7a8e3b63aa06266efb301719c374e29d4 (20200724)

Members

AcceptFlags enum AcceptFlags: Flags that can be used with the accept4(2) operation.
CQEFlags enum CQEFlags: Flags used with CompletionEntry
CQRingFlags enum CQRingFlags: CompletionQueue ring flags
EnterFlags enum EnterFlags: io_uring_enter(2) flags
MsgFlags enum MsgFlags: Flags for sendmsg(2) and recvmsg(2) operations.
Operation enum Operation: Describes the operation to be performed
PollEvents enum PollEvents: Possible poll event flags. See: poll(2)
RegisterOpCode enum RegisterOpCode: io_uring_register(2) opcodes and arguments
SetupFeatures enum SetupFeatures: io_uring_params->features flags
SetupFlags enum SetupFlags: io_uring_setup() flags
SubmissionEntryFlags enum SubmissionEntryFlags: sqe->flags
SyncFileRangeFlags enum SyncFileRangeFlags: Flags for sync_file_range(2) operation.
TimeoutFlags enum TimeoutFlags: sqe->timeout_flags

io_uring_enter int io_uring_enter(int fd, uint to_submit, uint min_complete, EnterFlags flags, sigset_t* sig): Initiate and/or complete asynchronous I/O
io_uring_register int io_uring_register(int fd, RegisterOpCode opcode, const(void)* arg, uint nr_args): Register files or user buffers for asynchronous I/O.
io_uring_setup int io_uring_setup(uint entries, SetupParameters p): Setup a context for performing asynchronous I/O.

IO_URING_OP_SUPPORTED enum IO_URING_OP_SUPPORTED;: Indicating that OP is supported by the kernel
SPLICE_F_FD_IN_FIXED enum SPLICE_F_FD_IN_FIXED;: sqe->splice_flags extends splice(2) flags

CompletionEntry struct CompletionEntry: IO completion data structure (Completion Queue Entry)
CompletionQueueRingOffsets struct CompletionQueueRingOffsets: Field offsets used to map kernel structure to our.
KernelTimespec struct KernelTimespec: Time specification as defined in kernel headers (used by TIMEOUT operations)
SetupParameters struct SetupParameters: Passed in for io_uring_setup(2). Copied back with updated info on success.
SubmissionEntry struct SubmissionEntry: IO operation submission data structure (Submission queue entry).
SubmissionQueueRingOffsets struct SubmissionQueueRingOffsets: Filled with the offset for mmap(2)