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go/internal/lsp/lsprpc/autostart_default.go
Rob Findley d1d1f200c6 internal/lsp/lsprpc: use Setsid on POSIX GOOSes, to avoid SIGTERMs
When the gopls daemon is automatically managed (-remote=auto), it will
be started by one of the forwarder gopls processes that was in turn
started by the editor. By default, this puts it in the same process
group as the forwarder gopls.

Some editors (at least Vim) send SIGTERM to the process groups of
sidecar processes when exiting. This can cause the gopls daemon to
terminate, thereby losing state.

Rather than ignore SIGTERM (which is bound to be editor dependent
anyway), let's just put the gopls daemon in a separate session.

Updates golang/go#34111

Change-Id: I71386fb54b8c2efe1c565f59763f46693a7d48b0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221220
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-03-05 21:44:44 +00:00

34 lines
868 B
Go

// Copyright 2020 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 lsprpc
import (
"fmt"
"os/exec"
)
var (
startRemote = startRemoteDefault
autoNetworkAddress = autoNetworkAddressDefault
)
func startRemoteDefault(goplsPath string, args ...string) error {
cmd := exec.Command(goplsPath, args...)
if err := cmd.Start(); err != nil {
return fmt.Errorf("starting remote gopls: %v", err)
}
return nil
}
// autoNetworkAddress returns the default network and address for the
// automatically-started gopls remote. See autostart_posix.go for more
// information.
func autoNetworkAddressDefault(goplsPath, id string) (network string, address string) {
if id != "" {
panic("identified remotes are not supported on windows")
}
return "tcp", ":37374"
}