Source file src/syscall/syscall_illumos.go

     1  // Copyright 2020 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  //go:build illumos
     6  
     7  package syscall
     8  
     9  import "unsafe"
    10  
    11  // F_DUP2FD_CLOEXEC has different values on Solaris and Illumos.
    12  const F_DUP2FD_CLOEXEC = 0x24
    13  
    14  //go:cgo_import_dynamic libc_flock flock "libc.so"
    15  
    16  //go:linkname procFlock libc_flock
    17  
    18  var procFlock libcFunc
    19  
    20  func Flock(fd int, how int) error {
    21  	_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procFlock)), 2, uintptr(fd), uintptr(how), 0, 0, 0, 0)
    22  	if errno != 0 {
    23  		return errno
    24  	}
    25  	return nil
    26  }
    27  

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