diff options
| -rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 3fb866733c..6cedf3c8a5 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -2284,9 +2284,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) } else if (ERTS_IS_ATOM_STR("dist_ctrl", BIF_ARG_1)) { DistEntry *dep; i = 0; - /* Need to be the only thread running... */ - erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN); - erts_smp_thr_progress_block(); + erts_smp_rwmtx_rlock(&erts_dist_table_rwmtx); for (dep = erts_visible_dist_entries; dep; dep = dep->next) ++i; for (dep = erts_hidden_dist_entries; dep; dep = dep->next) @@ -2309,8 +2307,7 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) res = CONS(hp, tpl, res); hp += 2; } - erts_smp_thr_progress_unblock(); - erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); + erts_smp_rwmtx_runlock(&erts_dist_table_rwmtx); BIF_RET(res); } else if (BIF_ARG_1 == am_system_version) { erts_dsprintf_buf_t *dsbufp = erts_create_tmp_dsbuf(0); |