[tor-commits] [snowflake/master] Remove SIGINT handling (no longer part of pt-spec).

[dcf at torproject.org]

commit 1fa9bc051c387b0c9bbcc16a447daaf54dfefea6
Author: David Fifield <david at bamsoftware.com>
Date:   Thu Jun 29 15:20:54 2017 -0700

    Remove SIGINT handling (no longer part of pt-spec).
---
 client/snowflake.go | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/client/snowflake.go b/client/snowflake.go
index b1c3975..ad29aea 100644
--- a/client/snowflake.go
+++ b/client/snowflake.go
@@ -198,9 +198,9 @@ func main() {
 	var numHandlers int = 0
 	var sig os.Signal
 	sigChan := make(chan os.Signal, 1)
-	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+	signal.Notify(sigChan, syscall.SIGTERM)
 
-	// wait for first signal
+	// keep track of handlers and wait for a signal
 	sig = nil
 	for sig == nil {
 		select {
@@ -209,17 +209,16 @@ func main() {
 		case sig = <-sigChan:
 		}
 	}
+
+	// signal received, shut down
 	for _, ln := range listeners {
 		ln.Close()
 	}
 	snowflakes.End()
-	// wait for second signal or no more handlers
-	sig = nil
-	for sig == nil && numHandlers != 0 {
-		select {
-		case n := <-handlerChan:
-			numHandlers += n
-		case sig = <-sigChan:
+	for n := range handlerChan {
+		numHandlers += n
+		if numHandlers == 0 {
+			break
 		}
 	}
 	log.Println("snowflake is done.")