diff options
Diffstat (limited to 'erts/emulator/beam/erl_thr_progress.c')
| -rw-r--r-- | erts/emulator/beam/erl_thr_progress.c | 70 |
1 files changed, 33 insertions, 37 deletions
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c index 664c479eb6..7148b756e7 100644 --- a/erts/emulator/beam/erl_thr_progress.c +++ b/erts/emulator/beam/erl_thr_progress.c @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 2011-2013. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -1335,25 +1336,10 @@ erts_thr_progress_block(void) thr_progress_block(tmp_thr_prgr_data(NULL), 1); } -void -erts_thr_progress_fatal_error_block(SWord timeout, - ErtsThrPrgrData *tmp_tpd_bufp) +int +erts_thr_progress_fatal_error_block(ErtsThrPrgrData *tmp_tpd_bufp) { ErtsThrPrgrData *tpd = perhaps_thr_prgr_data(NULL); - erts_aint32_t bc; - SWord time_left = timeout; - SysTimeval to; - - /* - * Counting poll intervals may give us a too long timeout - * if cpu is busy. If we got tolerant time of day we use it - * to prevent this. - */ - if (!erts_disable_tolerant_timeofday) { - erts_get_timeval(&to); - to.tv_sec += timeout / 1000; - to.tv_sec += timeout % 1000; - } if (!tpd) { /* @@ -1366,9 +1352,25 @@ erts_thr_progress_fatal_error_block(SWord timeout, init_tmp_thr_prgr_data(tpd); } - bc = thr_progress_block(tpd, 0); - if (bc == 0) - return; /* Succefully blocked all managed threads */ + /* Returns number of threads that have not yes been blocked */ + return thr_progress_block(tpd, 0); +} + +void +erts_thr_progress_fatal_error_wait(SWord timeout) { + erts_aint32_t bc; + SWord time_left = timeout; + ErtsMonotonicTime timeout_time; + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + + /* + * Counting poll intervals may give us a too long timeout + * if cpu is busy. We use timeout time to try to prevent + * this. In case we havn't got time correction this may + * however fail too... + */ + timeout_time = erts_get_monotonic_time(esdp); + timeout_time += ERTS_MSEC_TO_MONOTONIC((ErtsMonotonicTime) timeout); while (1) { if (erts_milli_sleep(ERTS_THR_PRGR_FTL_ERR_BLCK_POLL_INTERVAL) == 0) @@ -1378,14 +1380,8 @@ erts_thr_progress_fatal_error_block(SWord timeout, break; /* Succefully blocked all managed threads */ if (time_left <= 0) break; /* Timeout */ - if (!erts_disable_tolerant_timeofday) { - SysTimeval now; - erts_get_timeval(&now); - if (now.tv_sec > to.tv_sec) - break; /* Timeout */ - if (now.tv_sec == to.tv_sec && now.tv_usec >= to.tv_usec) - break; /* Timeout */ - } + if (timeout_time <= erts_get_monotonic_time(esdp)) + break; /* Timeout */ } } |