go/src/internal/syscall/unix/fcntl_js.go
Chris O'Hara 7756f82590 syscall: implement wasip1 Fcntl
CL 494915 broke non-blocking I/O on wasip1 for files
opened with os.NewFile. This is fixed by providing an
implementation of fcntl(F_GETFL) for wasip1.

Change-Id: I78979076b95495fd4b94814552e5f5b043270cd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/498195
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Achille Roussel <achille.roussel@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
2023-05-26 17:59:52 +00:00

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295 B
Go

// Copyright 2023 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 js && wasm
package unix
import "syscall"
func Fcntl(fd int, cmd int, arg int) (int, error) {
return 0, syscall.ENOSYS
}