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cmd/tailscaled: ignore SIGPIPE.

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SIGPIPE can be generated when CLIs disconnect from tailscaled. This
should not terminate the process.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2020-08-01 02:12:07 +00:00 committed by Dave Anderson
parent d64de1ddf7
commit 9e26ffecf8
1 changed files with 6 additions and 2 deletions
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8
cmd/tailscaled/tailscaled.go
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@ -149,9 +149,13 @@ func run() error {
ctx, cancel := context.WithCancel(context.Background())
// Exit gracefully by cancelling the ipnserver context in most common cases:
// interrupted from the TTY or killed by a service manager.
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
// SIGPIPE sometimes gets generated when CLIs disconnect from
// tailscaled. The default action is to terminate the process, we
// want to keep running.
signal.Ignore(syscall.SIGPIPE)
go func() {
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
select {
case s := <-interrupt:
logf("tailscaled got signal %v; shutting down", s)