SIGHUP is only useful when config was loaded from a file (#1030)

Have (*config.C).CatchHUP() return early when there is no file
path available from which to reload.
This will allow wrapping service to manage their own signal
trapping (which is particularly important if they've used
config from a string.
This commit is contained in:
Dave Russell 2023-12-07 02:13:38 +11:00 committed by GitHub
parent fb55f5b762
commit 0209402942
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 0 deletions

View File

@ -121,6 +121,10 @@ func (c *C) HasChanged(k string) bool {
// CatchHUP will listen for the HUP signal in a go routine and reload all configs found in the
// original path provided to Load. The old settings are shallow copied for change detection after the reload.
func (c *C) CatchHUP(ctx context.Context) {
if c.path == "" {
return
}
ch := make(chan os.Signal, 1)
signal.Notify(ch, syscall.SIGHUP)