文件操作 - fcntl_darwin.go
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文件: /usr/share/go-1.23/src/cmd/vendor/golang.org/x/sys/unix/fcntl_darwin.go
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// Copyright 2019 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package unix import "unsafe" // FcntlInt performs a fcntl syscall on fd with the provided command and argument. func FcntlInt(fd uintptr, cmd, arg int) (int, error) { return fcntl(int(fd), cmd, arg) } // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command. func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error { _, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(lk)))) return err } // FcntlFstore performs a fcntl syscall for the F_PREALLOCATE command. func FcntlFstore(fd uintptr, cmd int, fstore *Fstore_t) error { _, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(fstore)))) return err }
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