diff options
Diffstat (limited to 'erts/emulator/beam/bif.c')
| -rw-r--r-- | erts/emulator/beam/bif.c | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 2d37f977c0..214de3652f 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -4506,41 +4506,37 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) || BIF_ARG_2 == am_block_normal); int normal = (BIF_ARG_2 == am_block_normal || BIF_ARG_2 == am_unblock_normal); - if (erts_no_schedulers == 1) - BIF_RET(am_disabled); - else { - switch (erts_block_multi_scheduling(BIF_P, - ERTS_PROC_LOCK_MAIN, - block, - normal, - 0)) { - case ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED: - BIF_RET(am_blocked); - case ERTS_SCHDLR_SSPND_DONE_NMSCHED_BLOCKED: - BIF_RET(am_blocked_normal); - case ERTS_SCHDLR_SSPND_YIELD_DONE_MSCHED_BLOCKED: - ERTS_BIF_YIELD_RETURN_X(BIF_P, am_blocked, - am_multi_scheduling); - case ERTS_SCHDLR_SSPND_YIELD_DONE_NMSCHED_BLOCKED: - ERTS_BIF_YIELD_RETURN_X(BIF_P, am_blocked_normal, - am_multi_scheduling); - case ERTS_SCHDLR_SSPND_DONE: - BIF_RET(am_enabled); - case ERTS_SCHDLR_SSPND_YIELD_RESTART: - ERTS_VBUMP_ALL_REDS(BIF_P); - BIF_TRAP2(bif_export[BIF_system_flag_2], - BIF_P, BIF_ARG_1, BIF_ARG_2); - case ERTS_SCHDLR_SSPND_YIELD_DONE: - ERTS_BIF_YIELD_RETURN_X(BIF_P, am_enabled, - am_multi_scheduling); - case ERTS_SCHDLR_SSPND_EINVAL: - goto error; - default: - ASSERT(0); - BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR); - break; - } - } + switch (erts_block_multi_scheduling(BIF_P, + ERTS_PROC_LOCK_MAIN, + block, + normal, + 0)) { + case ERTS_SCHDLR_SSPND_DONE_MSCHED_BLOCKED: + BIF_RET(am_blocked); + case ERTS_SCHDLR_SSPND_DONE_NMSCHED_BLOCKED: + BIF_RET(am_blocked_normal); + case ERTS_SCHDLR_SSPND_YIELD_DONE_MSCHED_BLOCKED: + ERTS_BIF_YIELD_RETURN_X(BIF_P, am_blocked, + am_multi_scheduling); + case ERTS_SCHDLR_SSPND_YIELD_DONE_NMSCHED_BLOCKED: + ERTS_BIF_YIELD_RETURN_X(BIF_P, am_blocked_normal, + am_multi_scheduling); + case ERTS_SCHDLR_SSPND_DONE: + BIF_RET(am_enabled); + case ERTS_SCHDLR_SSPND_YIELD_RESTART: + ERTS_VBUMP_ALL_REDS(BIF_P); + BIF_TRAP2(bif_export[BIF_system_flag_2], + BIF_P, BIF_ARG_1, BIF_ARG_2); + case ERTS_SCHDLR_SSPND_YIELD_DONE: + ERTS_BIF_YIELD_RETURN_X(BIF_P, am_enabled, + am_multi_scheduling); + case ERTS_SCHDLR_SSPND_EINVAL: + goto error; + default: + ASSERT(0); + BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR); + break; + } #endif } } else if (BIF_ARG_1 == am_schedulers_online) { |