Source file src/pkg/syscall/flock_aix.go

     1	// Copyright 2018 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	package syscall
     6	
     7	import "unsafe"
     8	
     9	// On AIX, there is no flock() system call.
    10	
    11	// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
    12	func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) {
    13		_, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_fcntl)), 3, uintptr(fd), uintptr(cmd), uintptr(unsafe.Pointer(lk)), 0, 0, 0)
    14		if e1 != 0 {
    15			err = errnoErr(e1)
    16		}
    17		return
    18	}
    19	

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