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6427029c4e
* Update all dependencies * Remove all `[[constraint]]` from Gopkg.toml * Add in the minimum number of `[[override]]` to build * Remove go get of github.com/inconshreveable/mousetrap as it is vendored * Update docs with new policy on constraints
24 lines
437 B
Go
24 lines
437 B
Go
// +build darwin dragonfly freebsd linux netbsd openbsd plan9 solaris
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package daemon
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import (
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"syscall"
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)
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func lockFile(fd uintptr) error {
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err := syscall.Flock(int(fd), syscall.LOCK_EX|syscall.LOCK_NB)
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if err == syscall.EWOULDBLOCK {
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err = ErrWouldBlock
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}
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return err
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}
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func unlockFile(fd uintptr) error {
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err := syscall.Flock(int(fd), syscall.LOCK_UN)
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if err == syscall.EWOULDBLOCK {
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err = ErrWouldBlock
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}
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return err
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}
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