From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:25:22 +0200 Subject: Adding upstream version 1.22.1. Signed-off-by: Daniel Baumann --- src/internal/syscall/unix/nonblocking_unix.go | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/internal/syscall/unix/nonblocking_unix.go (limited to 'src/internal/syscall/unix/nonblocking_unix.go') diff --git a/src/internal/syscall/unix/nonblocking_unix.go b/src/internal/syscall/unix/nonblocking_unix.go new file mode 100644 index 0000000..fc0bc27 --- /dev/null +++ b/src/internal/syscall/unix/nonblocking_unix.go @@ -0,0 +1,21 @@ +// Copyright 2018 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. + +//go:build unix + +package unix + +import "syscall" + +func IsNonblock(fd int) (nonblocking bool, err error) { + flag, e1 := Fcntl(fd, syscall.F_GETFL, 0) + if e1 != nil { + return false, e1 + } + return flag&syscall.O_NONBLOCK != 0, nil +} + +func HasNonblockFlag(flag int) bool { + return flag&syscall.O_NONBLOCK != 0 +} -- cgit v1.2.3