diff options
Diffstat (limited to 'src/runtime/runtime.go')
| -rw-r--r-- | src/runtime/runtime.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/runtime/runtime.go b/src/runtime/runtime.go index 0829a84e43..92cdfc310e 100644 --- a/src/runtime/runtime.go +++ b/src/runtime/runtime.go @@ -172,7 +172,15 @@ func (g *godebugInc) IncNonDefault() { // *godebug.Setting. inc = new(func()) *inc = (*newInc)(g.name) - g.inc.Store(inc) + if raceenabled { + racerelease(unsafe.Pointer(&g.inc)) + } + if !g.inc.CompareAndSwap(nil, inc) { + inc = g.inc.Load() + } + } + if raceenabled { + raceacquire(unsafe.Pointer(&g.inc)) } (*inc)() } |