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// +build solaris
package daemon
import (
"io"
"syscall"
)
func lockFile(fd uintptr) error {
lockInfo := syscall.Flock_t{
Type: syscall.F_WRLCK,
Whence: io.SeekStart,
Start: 0,
Len: 0,
}
if err := syscall.FcntlFlock(fd, syscall.F_SETLK, &lockInfo); err != nil {
if err == syscall.EAGAIN {
err = ErrWouldBlock
}
return err
}
return nil
}
func unlockFile(fd uintptr) error {
lockInfo := syscall.Flock_t{
Type: syscall.F_UNLCK,
Whence: io.SeekStart,
Start: 0,
Len: 0,
}
if err := syscall.FcntlFlock(fd, syscall.F_GETLK, &lockInfo); err != nil {
if err == syscall.EAGAIN {
err = ErrWouldBlock
}
return err
}
return nil
}
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