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maybe now...

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This commit is contained in:
araq
2026-02-09 17:24:44 +01:00
parent 76c17a2194
commit e15e16604b
1 changed files with 19 additions and 5 deletions
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24
compiler/liftdestructors.nim
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@@ -848,11 +848,25 @@ proc atomicClosureOp(c: var TLiftCtx; t: PType; body, x, y: PNode) =
let xenv = genBuiltin(c, mAccessEnv, "accessEnv", x)
xenv.typ = getSysType(c.g, c.info, tyPointer)
# Closures are (fnPtr, env) pairs -- nimAsgnYrc/nimSinkYrc operate on single
# pointers so they cannot handle a closure struct. Instead we fall through to
# the regular ORC cyclic path which copies the whole struct via newAsgnStmt
# and calls nimIncRefCyclic / nimDecRefIsLastCyclicDyn on the env pointer.
# Those procs are already YRC-aware (they buffer into striped queues).
# Closures are (fnPtr, env) pairs. nimAsgnYrc/nimSinkYrc handle the env pointer
# (atomic store + buffered inc/dec). We also need newAsgnStmt to copy the fnPtr.
if c.g.config.selectedGC == gcYrc:
let nilDesc = newNodeIT(nkNilLit, c.info, getSysType(c.g, c.info, tyPointer))
let yenv = genBuiltin(c, mAccessEnv, "accessEnv", y)
yenv.typ = getSysType(c.g, c.info, tyPointer)
case c.kind
of attachedAsgn, attachedDup:
# nimAsgnYrc: save old env, atomic store new env, inc new env, dec old env
body.add callCodegenProc(c.g, "nimAsgnYrc", c.info, genAddr(c, xenv), yenv, nilDesc)
# Raw struct copy to also update the function pointer (env write is redundant but benign)
body.add newAsgnStmt(x, y)
return
of attachedSink:
body.add callCodegenProc(c.g, "nimSinkYrc", c.info, genAddr(c, xenv), yenv, nilDesc)
body.add newAsgnStmt(x, y)
return
else: discard # fall through for destructor, trace, wasMoved
let isCyclic = c.g.config.selectedGC in {gcOrc, gcYrc}
let tmp =
if isCyclic and c.kind in {attachedAsgn, attachedSink, attachedDup}: