Imports #
"os"
"errors"
"internal/syscall/windows"
"syscall"
"errors"
"syscall"
"errors"
"math/rand"
"os"
"syscall"
"time"
robustio
Imports
Constants & Variables
arbitraryTimeout const #
const arbitraryTimeout = *ast.BinaryExprerrFileNotFound const #
const errFileNotFound = syscall.ERROR_FILE_NOT_FOUNDerrFileNotFound const #
const errFileNotFound = syscall.ENOENTFunctions
IsEphemeralError function #
IsEphemeralError reports whether err is one of the errors that the functions in this package attempt to mitigate. Errors considered ephemeral include: - syscall.ERROR_ACCESS_DENIED - syscall.ERROR_FILE_NOT_FOUND - internal/syscall/windows.ERROR_SHARING_VIOLATION This set may be expanded in the future; programs must not rely on the non-ephemerality of any given error.
func IsEphemeralError(err error) boolReadFile function #
ReadFile is like os.ReadFile, but on Windows retries errors that may occur if the file is concurrently replaced. (See golang.org/issue/31247 and golang.org/issue/32188.)
func ReadFile(filename string) ([]byte, error)RemoveAll function #
RemoveAll is like os.RemoveAll, but on Windows retries errors that may occur if an executable file in the directory has recently been executed. (See golang.org/issue/19491.)
func RemoveAll(path string) errorRename function #
Rename is like os.Rename, but on Windows retries errors that may occur if the file is concurrently read or overwritten. (See golang.org/issue/31247 and golang.org/issue/32188.)
func Rename(oldpath string, newpath string) errorisEphemeralError function #
func isEphemeralError(err error) boolisEphemeralError function #
isEphemeralError returns true if err may be resolved by waiting.
func isEphemeralError(err error) boolisEphemeralError function #
isEphemeralError returns true if err may be resolved by waiting.
func isEphemeralError(err error) boolreadFile function #
func readFile(filename string) ([]byte, error)readFile function #
readFile is like os.ReadFile, but retries ephemeral errors.
func readFile(filename string) ([]byte, error)removeAll function #
func removeAll(path string) errorremoveAll function #
func removeAll(path string) errorrename function #
func rename(oldpath string, newpath string) errorrename function #
rename is like os.Rename, but retries ephemeral errors. On Windows it wraps os.Rename, which (as of 2019-06-04) uses MoveFileEx with MOVEFILE_REPLACE_EXISTING. Windows also provides a different system call, ReplaceFile, that provides similar semantics, but perhaps preserves more metadata. (The documentation on the differences between the two is very sparse.) Empirical error rates with MoveFileEx are lower under modest concurrency, so for now we're sticking with what the os package already provides.
func rename(oldpath string, newpath string) (err error)retry function #
retry retries ephemeral errors from f up to an arbitrary timeout to work around filesystem flakiness on Windows and Darwin.
func retry(f func() (err error, mayRetry bool)) errorGenerated with Arrow