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25 lines
806 B
Go
25 lines
806 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package unix
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import "unsafe"
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// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
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func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
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return fcntl(int(fd), cmd, arg)
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}
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// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
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func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
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_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(lk))))
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return err
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}
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// FcntlFstore performs a fcntl syscall for the F_PREALLOCATE command.
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func FcntlFstore(fd uintptr, cmd int, fstore *Fstore_t) error {
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_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(fstore))))
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return err
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}
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