func main() {
flag.Usage = usage
flag.Parse()
if flag.NArg() < 1 {
usage()
}
for _, name := range flag.Args() {
f, err := os.OpenFile(name, syscall.O_RDONLY|syscall.O_NOATIME|syscall.O_NOCTTY|syscall.O_CLOEXEC, 0644)
if ek(err) {
continue
}
if *dflag {
err = syscall.Fdatasync(int(f.Fd()))
} else {
err = syscall.Fsync(int(f.Fd()))
}
ek(err)
ek(f.Close())
}
os.Exit(status)
}
func Fdatasync(fd uintptr) (err error) {
return syscall.Fdatasync(int(fd))
}
// fdatasync flushes written data to a file descriptor.
func fdatasync(db *DB) error {
return syscall.Fdatasync(int(db.file.Fd()))
}
// Fdatasync is similar to fsync(), but does not flush modified metadata
// unless that metadata is needed in order to allow a subsequent data retrieval
// to be correctly handled.
func Fdatasync(f *os.File) error {
return syscall.Fdatasync(int(f.Fd()))
}