From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/internal/poll/errno_unix.go | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/internal/poll/errno_unix.go (limited to 'src/internal/poll/errno_unix.go') diff --git a/src/internal/poll/errno_unix.go b/src/internal/poll/errno_unix.go new file mode 100644 index 0000000..8eed93a --- /dev/null +++ b/src/internal/poll/errno_unix.go @@ -0,0 +1,33 @@ +// 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. + +//go:build unix + +package poll + +import "syscall" + +// Do the interface allocations only once for common +// Errno values. +var ( + errEAGAIN error = syscall.EAGAIN + errEINVAL error = syscall.EINVAL + errENOENT error = syscall.ENOENT +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return nil + case syscall.EAGAIN: + return errEAGAIN + case syscall.EINVAL: + return errEINVAL + case syscall.ENOENT: + return errENOENT + } + return e +} -- cgit v1.2.3