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std: update for linux 5.5 release

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daurnimator 2020-01-31 19:12:23 +11:00 committed by Andrew Kelley
parent 176bc53858
commit ab46713fa6
1 changed files with 64 additions and 26 deletions
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90
lib/std/os/bits/linux.zig
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@ -604,6 +604,11 @@ pub const CLONE_NEWPID = 0x20000000;
pub const CLONE_NEWNET = 0x40000000;
pub const CLONE_IO = 0x80000000;
// Flags for the clone3() syscall.
/// Clear any signal handler and reset to SIG_DFL.
pub const CLONE_CLEAR_SIGHAND = 0x100000000;
pub const EFD_SEMAPHORE = 1;
pub const EFD_CLOEXEC = O_CLOEXEC;
pub const EFD_NONBLOCK = O_NONBLOCK;
@ -1120,17 +1125,22 @@ pub const io_uring_params = extern struct {
// io_uring_params.features flags
pub const IORING_FEAT_SINGLE_MMAP = 1 << 0;
pub const IORING_FEAT_NODROP = 1 << 1;
pub const IORING_FEAT_SUBMIT_STABLE = 1 << 2;
// io_uring_params.flags
/// io_context is polled
pub const IORING_SETUP_IOPOLL = (1 << 0);
pub const IORING_SETUP_IOPOLL = 1 << 0;
/// SQ poll thread
pub const IORING_SETUP_SQPOLL = (1 << 1);
pub const IORING_SETUP_SQPOLL = 1 << 1;
/// sq_thread_cpu is valid
pub const IORING_SETUP_SQ_AFF = (1 << 2);
pub const IORING_SETUP_SQ_AFF = 1 << 2;
/// app defines CQ size
pub const IORING_SETUP_CQSIZE = 1 << 3;
pub const io_sqring_offsets = extern struct {
/// offset of ring head
@ -1178,52 +1188,73 @@ pub const io_uring_sqe = extern struct {
flags: u8,
ioprio: u16,
fd: i32,
off: u64,
pub const union1 = extern union {
off: u64,
addr2: u64,
};
union1: union1,
addr: u64,
len: u32,
pub const union1 = extern union {
pub const union2 = extern union {
rw_flags: kernel_rwf,
fsync_flags: u32,
poll_events: u16,
sync_range_flags: u32,
msg_flags: u32,
timeout_flags: u32,
accept_flags: u32,
cancel_flags: u32,
};
union1: union1,
union2: union2,
user_data: u64,
pub const union2 = extern union {
pub const union3 = extern union {
buf_index: u16,
__pad2: [3]u64,
};
union2: union2,
union3: union3,
};
// io_uring_sqe.flags
/// use fixed fileset
pub const IOSQE_FIXED_FILE = (1 << 0);
pub const IOSQE_FIXED_FILE = 1 << 0;
/// issue after inflight IO
pub const IOSQE_IO_DRAIN = (1 << 1);
pub const IOSQE_IO_DRAIN = 1 << 1;
/// links next sqe
pub const IOSQE_IO_LINK = (1 << 2);
pub const IOSQE_IO_LINK = 1 << 2;
pub const IORING_OP_NOP = 0;
pub const IORING_OP_READV = 1;
pub const IORING_OP_WRITEV = 2;
pub const IORING_OP_FSYNC = 3;
pub const IORING_OP_READ_FIXED = 4;
pub const IORING_OP_WRITE_FIXED = 5;
pub const IORING_OP_POLL_ADD = 6;
pub const IORING_OP_POLL_REMOVE = 7;
pub const IORING_OP_SYNC_FILE_RANGE = 8;
pub const IORING_OP_SENDMSG = 9;
pub const IORING_OP_RECVMSG = 10;
pub const IORING_OP_TIMEOUT = 11;
/// like LINK, but stronger
pub const IOSQE_IO_HARDLINK = 1 << 3;
pub const IORING_OP = extern enum {
NOP,
READV,
WRITEV,
FSYNC,
READ_FIXED,
WRITE_FIXED,
POLL_ADD,
POLL_REMOVE,
SYNC_FILE_RANGE,
SENDMSG,
RECVMSG,
TIMEOUT,
TIMEOUT_REMOVE,
ACCEPT,
ASYNC_CANCEL,
LINK_TIMEOUT,
CONNECT,
_,
};
// io_uring_sqe.fsync_flags
pub const IORING_FSYNC_DATASYNC = (1 << 0);
pub const IORING_FSYNC_DATASYNC = 1 << 0;
// io_uring_sqe.timeout_flags
pub const IORING_TIMEOUT_ABS = 1 << 0;
// IO completion data structure (Completion Queue Entry)
pub const io_uring_cqe = extern struct {
@ -1240,8 +1271,8 @@ pub const IORING_OFF_CQ_RING = 0x8000000;
pub const IORING_OFF_SQES = 0x10000000;
// io_uring_enter flags
pub const IORING_ENTER_GETEVENTS = (1 << 0);
pub const IORING_ENTER_SQ_WAKEUP = (1 << 1);
pub const IORING_ENTER_GETEVENTS = 1 << 0;
pub const IORING_ENTER_SQ_WAKEUP = 1 << 1;
// io_uring_register opcodes and arguments
pub const IORING_REGISTER_BUFFERS = 0;
@ -1250,6 +1281,13 @@ pub const IORING_REGISTER_FILES = 2;
pub const IORING_UNREGISTER_FILES = 3;
pub const IORING_REGISTER_EVENTFD = 4;
pub const IORING_UNREGISTER_EVENTFD = 5;
pub const IORING_REGISTER_FILES_UPDATE = 6;
pub const io_uring_files_update = struct {
offset: u32,
resv: u32,
fds: u64,
};
pub const utsname = extern struct {
sysname: [65]u8,