go export_darwin_test 源码
golang export_darwin_test 代码
文件路径：/src/runtime/export_darwin_test.go
// 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 runtime
func Fcntl(fd, cmd, arg uintptr) (uintptr, uintptr) {
r := fcntl(int32(fd), int32(cmd), int32(arg))
if r < 0 {
return ^uintptr(0), uintptr(-r)
}
return uintptr(r), 0
}
var SetNonblock = setNonblock
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