go/grace
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move inline interface out for readability

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This commit is contained in:
Naitik Shah 2013-10-06 11:00:22 -07:00
parent 220ebb1f4f
commit 61aafa98f8
1 changed files with 5 additions and 3 deletions
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8
grace.go
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@ -51,6 +51,10 @@ type listener struct {
wg sync.WaitGroup wg sync.WaitGroup
} }
type deadliner interface {
SetDeadline(t time.Time) error
}
// Allows for us to notice when the connection is closed. // Allows for us to notice when the connection is closed.
type conn struct { type conn struct {
net.Conn net.Conn
@ -76,9 +80,7 @@ func (l *listener) Close() error {
// Init provided sockets dont actually close so we trigger Accept to return // Init provided sockets dont actually close so we trigger Accept to return
// by setting the deadline. // by setting the deadline.
if os.Getppid() == 1 { if os.Getppid() == 1 {
if ld, ok := l.Listener.(interface { if ld, ok := l.Listener.(deadliner); ok {
SetDeadline(t time.Time) error
}); ok {
ld.SetDeadline(timeInPast) ld.SetDeadline(timeInPast)
} else { } else {
fmt.Fprintln(os.Stderr, "init activated server did not have SetDeadline") fmt.Fprintln(os.Stderr, "init activated server did not have SetDeadline")