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//go:build !windows
// Wrappers for unix syscalls that retry on EINTR
// TODO: Consider moving (for example to moby/sys) and making the wrappers
// auto-generated.
package unix_noeintr
import (
"errors"
"golang.org/x/sys/unix"
)
func Retry(f func() error) {
for {
err := f()
if !errors.Is(err, unix.EINTR) {
return
}
}
}
func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
Retry(func() error {
err = unix.Mount(source, target, fstype, flags, data)
return err
})
return
}
func Unmount(target string, flags int) (err error) {
Retry(func() error {
err = unix.Unmount(target, flags)
return err
})
return
}
func Open(path string, mode int, perm uint32) (fd int, err error) {
Retry(func() error {
fd, err = unix.Open(path, mode, perm)
return err
})
return
}
func Close(fd int) (err error) {
Retry(func() error {
err = unix.Close(fd)
return err
})
return
}
func Openat(dirfd int, path string, mode int, perms uint32) (fd int, err error) {
Retry(func() error {
fd, err = unix.Openat(dirfd, path, mode, perms)
return err
})
return
}
func Openat2(dirfd int, path string, how *unix.OpenHow) (fd int, err error) {
Retry(func() error {
fd, err = unix.Openat2(dirfd, path, how)
return err
})
return
}
func Fstat(fd int, stat *unix.Stat_t) (err error) {
Retry(func() error {
err = unix.Fstat(fd, stat)
return err
})
return
}
func Fstatat(fd int, path string, stat *unix.Stat_t, flags int) (err error) {
Retry(func() error {
err = unix.Fstatat(fd, path, stat, flags)
return err
})
return
}
|
