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authorBrad Fitzpatrick <bradfitz@tailscale.com>2025-12-02 12:50:33 -0800
committerBrad Fitzpatrick <bradfitz@tailscale.com>2025-12-02 15:12:13 -0800
commit381de776c4878dd9af76b126cfa37bc80cad363f (patch)
treec3ddcbf9613db3074c9c6882bb757357cf5bdd0a /net/dns/resolver
parentb8c58ca7c1a49fb772d095c65693cdab06488047 (diff)
downloadtailscale-bradfitz/mutex_debug.tar.xz
tailscale-bradfitz/mutex_debug.zip
syncs: start working on mutex debugging, registrationbradfitz/mutex_debug
Updates #17852 Change-Id: Ib1b634eedd30cc4006bc1b39aa8d479d37c5f1f2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Diffstat (limited to 'net/dns/resolver')
-rw-r--r--net/dns/resolver/forwarder.go1
-rw-r--r--net/dns/resolver/tsdns.go1
2 files changed, 2 insertions, 0 deletions
diff --git a/net/dns/resolver/forwarder.go b/net/dns/resolver/forwarder.go
index 5adc43efc..83b28fdb4 100644
--- a/net/dns/resolver/forwarder.go
+++ b/net/dns/resolver/forwarder.go
@@ -267,6 +267,7 @@ func newForwarder(logf logger.Logf, netMon *netmon.Monitor, linkSel ForwardLinkS
controlKnobs: knobs,
verboseFwd: verboseDNSForward(),
}
+ syncs.RegisterMutex(&f.mu, "resolver.forwarder.mu")
f.ctx, f.ctxCancel = context.WithCancel(context.Background())
return f
}
diff --git a/net/dns/resolver/tsdns.go b/net/dns/resolver/tsdns.go
index 3185cbe2b..25916c6c9 100644
--- a/net/dns/resolver/tsdns.go
+++ b/net/dns/resolver/tsdns.go
@@ -249,6 +249,7 @@ func New(logf logger.Logf, linkSel ForwardLinkSelector, dialer *tsdial.Dialer, h
dialer: dialer,
health: health,
}
+ syncs.RegisterMutex(&r.mu, "resolver.Resolver.mu")
r.forwarder = newForwarder(r.logf, netMon, linkSel, dialer, health, knobs)
return r
}