diff options
Diffstat (limited to 'src/runtime/time.go')
| -rw-r--r-- | src/runtime/time.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/time.go b/src/runtime/time.go index ec3eae9cca..de7468d129 100644 --- a/src/runtime/time.go +++ b/src/runtime/time.go @@ -254,6 +254,9 @@ func addtimer(t *timer) { when := t.when + // Disable preemption while using pp to avoid changing another P's heap. + mp := acquirem() + pp := getg().m.p.ptr() lock(&pp.timersLock) cleantimers(pp) @@ -261,6 +264,8 @@ func addtimer(t *timer) { unlock(&pp.timersLock) wakeNetPoller(when) + + releasem(mp) } // doaddtimer adds t to the current P's heap. |