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