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Diffstat (limited to 'nptl/tst-barrier5.c')
-rw-r--r-- | nptl/tst-barrier5.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/nptl/tst-barrier5.c b/nptl/tst-barrier5.c deleted file mode 100644 index 4311aec22f..0000000000 --- a/nptl/tst-barrier5.c +++ /dev/null @@ -1,145 +0,0 @@ -/* This tests the barrier reset mechanism. - Copyright (C) 2004-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <internaltypes.h> - - -static pthread_barrier_t b1; -static pthread_barrier_t b2; - - -#define N 20 -#define ROUNDS_PER_RUN 20 -#define START ((BARRIER_IN_THRESHOLD / N - ROUNDS_PER_RUN / 2) * N) - -static void * -tf (void *arg) -{ - int runs = 0; - - while (runs++ < 30) - { - /* In each run, we execute a number of rounds and initialize the barrier - so that we will go over the reset threshold with those rounds. */ - for (int rounds = 0; rounds < ROUNDS_PER_RUN; rounds++) - pthread_barrier_wait (&b1); - - if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD) - { - pthread_barrier_destroy (&b1); - if (pthread_barrier_init (&b1, NULL, N) != 0) - { - puts ("tf: 1st barrier_init failed"); - exit (1); - } - puts ("b1 reinitialized"); - /* Trigger a reset. */ - struct pthread_barrier *bar = (struct pthread_barrier *) &b1; - bar->in = START; - bar->out = START; - /* We deliberately don't set bar->current_round so that we also - test whether the helping for the updates of current_round - works correctly. */ - } - - /* Same as above, just for b2. */ - for (int rounds = 0; rounds < ROUNDS_PER_RUN; rounds++) - pthread_barrier_wait (&b2); - - if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD) - { - pthread_barrier_destroy (&b2); - if (pthread_barrier_init (&b2, NULL, N) != 0) - { - puts ("tf: 2nd barrier_init failed"); - exit (1); - } - puts ("b2 reinitialized"); - /* Trigger a reset. See above. */ - struct pthread_barrier *bar = (struct pthread_barrier *) &b2; - bar->in = START; - bar->out = START; - } - } - - return NULL; -} - - -static int -do_test (void) -{ - pthread_attr_t at; - int cnt; - - if (pthread_attr_init (&at) != 0) - { - puts ("attr_init failed"); - return 1; - } - - if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) - { - puts ("attr_setstacksize failed"); - return 1; - } - - if (pthread_barrier_init (&b1, NULL, N) != 0) - { - puts ("1st barrier_init failed"); - return 1; - } - - if (pthread_barrier_init (&b2, NULL, N) != 0) - { - puts ("2nd barrier_init failed"); - return 1; - } - - pthread_t th[N - 1]; - for (cnt = 0; cnt < N - 1; ++cnt) - if (pthread_create (&th[cnt], &at, tf, NULL) != 0) - { - puts ("pthread_create failed"); - return 1; - } - - if (pthread_attr_destroy (&at) != 0) - { - puts ("attr_destroy failed"); - return 1; - } - - tf (NULL); - - for (cnt = 0; cnt < N - 1; ++cnt) - if (pthread_join (th[cnt], NULL) != 0) - { - puts ("pthread_join failed"); - return 1; - } - - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |