core: Only initiate exit once (should fix #6707)

Matthew Holt committed Dec 31, 2024 at 13:08 UTC 34cff4af7db1365bba6decc647ccfb6bf1b21afd

1 file changed +4 -2

caddy.go

+4 -2

@@ -725,8 +725,10 @@ func Validate(cfg *Config) error {

725 // Errors are logged along the way, and an appropriate exit

726 // code is emitted.

727 func exitProcess(ctx context.Context, logger *zap.Logger) {

728 - // let the rest of the program know we're quitting

729 - atomic.StoreInt32(exiting, 1)

728 + // let the rest of the program know we're quitting; only do it once

729 + if !atomic.CompareAndSwapInt32(exiting, 0, 1) {

730 + return

731 + }

732

733 // give the OS or service/process manager our 2 weeks' notice: we quit

734 if err := notify.Stopping(); err != nil {