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comparison libgo/go/internal/poll/fcntl_libc.go @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 // Copyright 2019 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 // +build aix darwin solaris
6
7 package poll
8
9 import (
10 "syscall"
11 )
12
13 // Use a helper function to call fcntl. This is defined in C in
14 // libgo/runtime.
15 //extern __go_fcntl_uintptr
16 func libc_fcntl(uintptr, uintptr, uintptr) (uintptr, uintptr)
17
18 func fcntl(fd int, cmd int, arg int) (int, error) {
19 syscall.Entersyscall()
20 r, e := libc_fcntl(uintptr(fd), uintptr(cmd), uintptr(arg))
21 syscall.Exitsyscall()
22 if e != 0 {
23 return int(r), syscall.Errno(e)
24 }
25 return int(r), nil
26 }