3784316d46
Handle EINTR by retrying the syscall. Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
85 lines
1.6 KiB
Go
85 lines
1.6 KiB
Go
//go:build !windows
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// Wrappers for unix syscalls that retry on EINTR
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// TODO: Consider moving (for example to moby/sys) and making the wrappers
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// auto-generated.
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package unix_noeintr
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import (
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"errors"
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"golang.org/x/sys/unix"
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)
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func Retry(f func() error) {
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for {
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err := f()
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if !errors.Is(err, unix.EINTR) {
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return
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}
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}
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}
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func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
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Retry(func() error {
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err = unix.Mount(source, target, fstype, flags, data)
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return err
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})
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return
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}
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func Unmount(target string, flags int) (err error) {
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Retry(func() error {
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err = unix.Unmount(target, flags)
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return err
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})
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return
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}
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func Open(path string, mode int, perm uint32) (fd int, err error) {
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Retry(func() error {
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fd, err = unix.Open(path, mode, perm)
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return err
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})
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return
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}
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func Close(fd int) (err error) {
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Retry(func() error {
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err = unix.Close(fd)
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return err
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})
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return
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}
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func Openat(dirfd int, path string, mode int, perms uint32) (fd int, err error) {
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Retry(func() error {
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fd, err = unix.Openat(dirfd, path, mode, perms)
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return err
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})
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return
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}
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func Openat2(dirfd int, path string, how *unix.OpenHow) (fd int, err error) {
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Retry(func() error {
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fd, err = unix.Openat2(dirfd, path, how)
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return err
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})
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return
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}
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func Fstat(fd int, stat *unix.Stat_t) (err error) {
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Retry(func() error {
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err = unix.Fstat(fd, stat)
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return err
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})
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return
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}
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func Fstatat(fd int, path string, stat *unix.Stat_t, flags int) (err error) {
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Retry(func() error {
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err = unix.Fstatat(fd, path, stat, flags)
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return err
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})
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return
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}
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