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//go:build !windows
package filelock
import (
"errors"
"golang.org/x/sys/unix"
)
func tryLockExclusive(fd uintptr) error {
if err := unix.Flock(int(fd), unix.LOCK_EX|unix.LOCK_NB); err != nil {
if errors.Is(err, unix.EWOULDBLOCK) || errors.Is(err, unix.EAGAIN) {
return ErrWouldBlock
}
return err
}
return nil
}
func unlockExclusive(fd uintptr) error {
return unix.Flock(int(fd), unix.LOCK_UN)
}
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