diff options
Diffstat (limited to 'src/runtime/stack1.go')
| -rw-r--r-- | src/runtime/stack1.go | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/src/runtime/stack1.go b/src/runtime/stack1.go index ad83e5895..1fd61ce1a 100644 --- a/src/runtime/stack1.go +++ b/src/runtime/stack1.go @@ -563,13 +563,7 @@ func copystack(gp *g, newsize uintptr) { } memmove(unsafe.Pointer(new.hi-used), unsafe.Pointer(old.hi-used), used) - oldstatus := readgstatus(gp) - oldstatus &^= _Gscan - if oldstatus == _Gwaiting || oldstatus == _Grunnable { - casgstatus(gp, oldstatus, _Gcopystack) // oldstatus is Gwaiting or Grunnable - } else { - gothrow("copystack: bad status, not Gwaiting or Grunnable") - } + oldstatus := casgcopystack(gp) // cas from Gwaiting or Grunnable to Gcopystack, return old status // Swap out old stack for new one gp.stack = new |