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-rw-r--r--erts/emulator/beam/erl_thr_progress.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index 21938e7684..26d71f573f 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -969,8 +969,10 @@ erts_thr_progress_unmanaged_continue__(ErtsThrPrgrDelayHandle handle)
#ifdef ERTS_ENABLE_LOCK_CHECK
ErtsThrPrgrData *tpd = perhaps_thr_prgr_data(NULL);
ERTS_LC_ASSERT(tpd && tpd->is_delaying);
- tpd->is_delaying = 0;
- return_tmp_thr_prgr_data(tpd);
+ tpd->is_delaying--;
+ ASSERT(tpd->is_delaying >= 0);
+ if (!tpd->is_delaying)
+ return_tmp_thr_prgr_data(tpd);
#endif
ASSERT(!erts_thr_progress_is_managed_thread());
@@ -995,7 +997,7 @@ erts_thr_progress_unmanaged_delay__(void)
#ifdef ERTS_ENABLE_LOCK_CHECK
{
ErtsThrPrgrData *tpd = tmp_thr_prgr_data(NULL);
- tpd->is_delaying = 1;
+ tpd->is_delaying++;
}
#endif
return (ErtsThrPrgrDelayHandle) umrefc_ix;