unix

package standard library
Version: master (849b791) Latest Latest
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Published: Jul 25, 2021 License: BSD-3-Clause Imports: 3 Imported by: 0

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Index

Constants

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const AT_REMOVEDIR = 0x200
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const AT_SYMLINK_NOFOLLOW = 0x100

Variables

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var FcntlSyscall uintptr = syscall.SYS_FCNTL

FcntlSyscall is the number for the fcntl system call. This is usually SYS_FCNTL, but can be overridden to SYS_FCNTL64.

Functions

func CopyFileRange added in go1.15

func CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)

func Fstatat added in go1.12

func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error

func GetRandom

func GetRandom(p []byte, flags GetRandomFlag) (n int, err error)

GetRandom calls the getrandom system call.

func IsNonblock added in go1.11

func IsNonblock(fd int) (nonblocking bool, err error)

func Openat added in go1.12

func Openat(dirfd int, path string, flags int, perm uint32) (int, error)

func Unlinkat added in go1.12

func Unlinkat(dirfd int, path string, flags int) error

Types

type GetRandomFlag

type GetRandomFlag uintptr

GetRandomFlag is a flag supported by the getrandom system call.

const (
	// GRND_NONBLOCK means return EAGAIN rather than blocking.
	GRND_NONBLOCK GetRandomFlag = 0x0001

	// GRND_RANDOM means use the /dev/random pool instead of /dev/urandom.
	GRND_RANDOM GetRandomFlag = 0x0002
)

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