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authorDamien Neil <dneil@google.com>2021-03-25 11:11:03 -0700
committerMichael Knyszek <mknyszek@google.com>2021-12-01 22:15:01 +0000
commit0f9838eeb119ef9c49e70a8388c25f02567a5a14 (patch)
tree00e7099822934f7d68f3549f913318ec9bffa48b
parent266ee22f9c35774caa118225e52e97c4eb06f961 (diff)
downloadgo-0f9838eeb119ef9c49e70a8388c25f02567a5a14.tar.gz
go-0f9838eeb119ef9c49e70a8388c25f02567a5a14.zip
[release-branch.go1.16] net/http/httptest: wait for user ConnState hooks
Ensure that user ConnState callbacks have completed before returning from (*httptest.Server).Close. Fixes: #49851 Updates: #37510 Updates: #37505 Updates: #45237 Change-Id: I8fe7baa089fbe4f3836bf6ae9767c7b1270d1331 Reviewed-on: https://go-review.googlesource.com/c/go/+/304829 Trust: Damien Neil <dneil@google.com> Run-TryBot: Damien Neil <dneil@google.com> Reviewed-by: Bryan C. Mills <bcmills@google.com> (cherry picked from commit 5cec8b85e5dc75ef21b62efb6bd93f9007385e34) Reviewed-on: https://go-review.googlesource.com/c/go/+/367516 Trust: Bryan C. Mills <bcmills@google.com> Run-TryBot: Bryan C. Mills <bcmills@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Damien Neil <dneil@google.com>
-rw-r--r--src/net/http/httptest/server.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/net/http/httptest/server.go b/src/net/http/httptest/server.go
index 65165d9eb3..a02a6d64c3 100644
--- a/src/net/http/httptest/server.go
+++ b/src/net/http/httptest/server.go
@@ -316,6 +316,13 @@ func (s *Server) wrap() {
s.Config.ConnState = func(c net.Conn, cs http.ConnState) {
s.mu.Lock()
defer s.mu.Unlock()
+
+ // Keep Close from returning until the user's ConnState hook
+ // (if any) finishes. Without this, the call to forgetConn
+ // below might send the count to 0 before we run the hook.
+ s.wg.Add(1)
+ defer s.wg.Done()
+
switch cs {
case http.StateNew:
s.wg.Add(1)