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640 lines
14 KiB
C
640 lines
14 KiB
C
/* Tests for atomic.h macros.
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Copyright (C) 2003-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <atomic.h>
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#ifndef atomic_t
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# define atomic_t int
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#endif
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/* Test various atomic.h macros. */
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static int
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do_test (void)
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{
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atomic_t mem, expected;
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int ret = 0;
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#ifdef atomic_compare_and_exchange_val_acq
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mem = 24;
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if (atomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24
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|| mem != 35)
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{
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puts ("atomic_compare_and_exchange_val_acq test 1 failed");
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ret = 1;
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}
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mem = 12;
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if (atomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12
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|| mem != 12)
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{
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puts ("atomic_compare_and_exchange_val_acq test 2 failed");
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ret = 1;
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}
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mem = -15;
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if (atomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15
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|| mem != -56)
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{
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puts ("atomic_compare_and_exchange_val_acq test 3 failed");
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ret = 1;
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}
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mem = -1;
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if (atomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1
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|| mem != -1)
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{
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puts ("atomic_compare_and_exchange_val_acq test 4 failed");
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ret = 1;
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}
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#endif
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mem = 24;
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if (atomic_compare_and_exchange_bool_acq (&mem, 35, 24)
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|| mem != 35)
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{
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puts ("atomic_compare_and_exchange_bool_acq test 1 failed");
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ret = 1;
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}
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mem = 12;
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if (! atomic_compare_and_exchange_bool_acq (&mem, 10, 15)
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|| mem != 12)
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{
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puts ("atomic_compare_and_exchange_bool_acq test 2 failed");
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ret = 1;
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}
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mem = -15;
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if (atomic_compare_and_exchange_bool_acq (&mem, -56, -15)
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|| mem != -56)
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{
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puts ("atomic_compare_and_exchange_bool_acq test 3 failed");
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ret = 1;
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}
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mem = -1;
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if (! atomic_compare_and_exchange_bool_acq (&mem, 17, 0)
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|| mem != -1)
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{
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puts ("atomic_compare_and_exchange_bool_acq test 4 failed");
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ret = 1;
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}
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mem = 64;
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if (atomic_exchange_acq (&mem, 31) != 64
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|| mem != 31)
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{
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puts ("atomic_exchange_acq test failed");
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ret = 1;
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}
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mem = 2;
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if (atomic_exchange_and_add (&mem, 11) != 2
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|| mem != 13)
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{
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puts ("atomic_exchange_and_add test failed");
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ret = 1;
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}
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mem = 2;
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if (atomic_exchange_and_add_acq (&mem, 11) != 2
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|| mem != 13)
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{
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puts ("atomic_exchange_and_add test failed");
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ret = 1;
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}
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mem = 2;
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if (atomic_exchange_and_add_rel (&mem, 11) != 2
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|| mem != 13)
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{
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puts ("atomic_exchange_and_add test failed");
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ret = 1;
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}
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mem = -21;
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atomic_add (&mem, 22);
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if (mem != 1)
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{
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puts ("atomic_add test failed");
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ret = 1;
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}
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mem = -1;
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atomic_increment (&mem);
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if (mem != 0)
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{
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puts ("atomic_increment test failed");
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ret = 1;
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}
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mem = 2;
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if (atomic_increment_val (&mem) != 3)
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{
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puts ("atomic_increment_val test failed");
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ret = 1;
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}
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mem = 0;
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if (atomic_increment_and_test (&mem)
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|| mem != 1)
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{
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puts ("atomic_increment_and_test test 1 failed");
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ret = 1;
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}
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mem = 35;
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if (atomic_increment_and_test (&mem)
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|| mem != 36)
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{
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puts ("atomic_increment_and_test test 2 failed");
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ret = 1;
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}
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mem = -1;
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if (! atomic_increment_and_test (&mem)
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|| mem != 0)
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{
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puts ("atomic_increment_and_test test 3 failed");
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ret = 1;
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}
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mem = 17;
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atomic_decrement (&mem);
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if (mem != 16)
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{
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puts ("atomic_decrement test failed");
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ret = 1;
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}
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if (atomic_decrement_val (&mem) != 15)
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{
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puts ("atomic_decrement_val test failed");
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ret = 1;
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}
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mem = 0;
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if (atomic_decrement_and_test (&mem)
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|| mem != -1)
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{
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puts ("atomic_decrement_and_test test 1 failed");
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ret = 1;
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}
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mem = 15;
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if (atomic_decrement_and_test (&mem)
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|| mem != 14)
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{
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puts ("atomic_decrement_and_test test 2 failed");
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ret = 1;
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}
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mem = 1;
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if (! atomic_decrement_and_test (&mem)
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|| mem != 0)
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{
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puts ("atomic_decrement_and_test test 3 failed");
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ret = 1;
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}
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mem = 1;
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if (atomic_decrement_if_positive (&mem) != 1
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|| mem != 0)
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{
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puts ("atomic_decrement_if_positive test 1 failed");
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ret = 1;
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}
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mem = 0;
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if (atomic_decrement_if_positive (&mem) != 0
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|| mem != 0)
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{
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puts ("atomic_decrement_if_positive test 2 failed");
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ret = 1;
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}
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mem = -1;
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if (atomic_decrement_if_positive (&mem) != -1
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|| mem != -1)
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{
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puts ("atomic_decrement_if_positive test 3 failed");
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ret = 1;
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}
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mem = -12;
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if (! atomic_add_negative (&mem, 10)
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|| mem != -2)
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{
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puts ("atomic_add_negative test 1 failed");
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ret = 1;
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}
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mem = 0;
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if (atomic_add_negative (&mem, 100)
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|| mem != 100)
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{
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puts ("atomic_add_negative test 2 failed");
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ret = 1;
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}
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mem = 15;
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if (atomic_add_negative (&mem, -10)
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|| mem != 5)
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{
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puts ("atomic_add_negative test 3 failed");
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ret = 1;
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}
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mem = -12;
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if (atomic_add_negative (&mem, 14)
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|| mem != 2)
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{
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puts ("atomic_add_negative test 4 failed");
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ret = 1;
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}
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mem = 0;
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if (! atomic_add_negative (&mem, -1)
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|| mem != -1)
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{
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puts ("atomic_add_negative test 5 failed");
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ret = 1;
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}
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mem = -31;
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if (atomic_add_negative (&mem, 31)
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|| mem != 0)
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{
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puts ("atomic_add_negative test 6 failed");
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ret = 1;
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}
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mem = -34;
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if (atomic_add_zero (&mem, 31)
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|| mem != -3)
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{
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puts ("atomic_add_zero test 1 failed");
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ret = 1;
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}
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mem = -36;
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if (! atomic_add_zero (&mem, 36)
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|| mem != 0)
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{
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puts ("atomic_add_zero test 2 failed");
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ret = 1;
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}
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mem = 113;
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if (atomic_add_zero (&mem, -13)
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|| mem != 100)
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{
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puts ("atomic_add_zero test 3 failed");
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ret = 1;
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}
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mem = -18;
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if (atomic_add_zero (&mem, 20)
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|| mem != 2)
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{
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puts ("atomic_add_zero test 4 failed");
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ret = 1;
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}
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mem = 10;
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if (atomic_add_zero (&mem, -20)
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|| mem != -10)
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{
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puts ("atomic_add_zero test 5 failed");
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ret = 1;
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}
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mem = 10;
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if (! atomic_add_zero (&mem, -10)
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|| mem != 0)
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{
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puts ("atomic_add_zero test 6 failed");
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ret = 1;
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}
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mem = 0;
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atomic_bit_set (&mem, 1);
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if (mem != 2)
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{
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puts ("atomic_bit_set test 1 failed");
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ret = 1;
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}
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mem = 8;
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atomic_bit_set (&mem, 3);
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if (mem != 8)
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{
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puts ("atomic_bit_set test 2 failed");
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ret = 1;
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}
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#ifdef TEST_ATOMIC64
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mem = 16;
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atomic_bit_set (&mem, 35);
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if (mem != 0x800000010LL)
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{
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puts ("atomic_bit_set test 3 failed");
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ret = 1;
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}
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#endif
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mem = 0;
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if (atomic_bit_test_set (&mem, 1)
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|| mem != 2)
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{
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puts ("atomic_bit_test_set test 1 failed");
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ret = 1;
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}
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mem = 8;
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if (! atomic_bit_test_set (&mem, 3)
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|| mem != 8)
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{
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puts ("atomic_bit_test_set test 2 failed");
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ret = 1;
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}
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#ifdef TEST_ATOMIC64
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mem = 16;
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if (atomic_bit_test_set (&mem, 35)
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|| mem != 0x800000010LL)
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{
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puts ("atomic_bit_test_set test 3 failed");
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ret = 1;
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}
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mem = 0x100000000LL;
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if (! atomic_bit_test_set (&mem, 32)
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|| mem != 0x100000000LL)
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{
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puts ("atomic_bit_test_set test 4 failed");
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ret = 1;
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}
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#endif
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#ifdef catomic_compare_and_exchange_val_acq
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mem = 24;
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if (catomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24
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|| mem != 35)
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{
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puts ("catomic_compare_and_exchange_val_acq test 1 failed");
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ret = 1;
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}
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mem = 12;
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if (catomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12
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|| mem != 12)
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{
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puts ("catomic_compare_and_exchange_val_acq test 2 failed");
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ret = 1;
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}
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mem = -15;
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if (catomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15
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|| mem != -56)
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{
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puts ("catomic_compare_and_exchange_val_acq test 3 failed");
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ret = 1;
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}
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mem = -1;
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if (catomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1
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|| mem != -1)
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{
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puts ("catomic_compare_and_exchange_val_acq test 4 failed");
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ret = 1;
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}
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#endif
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mem = 24;
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if (catomic_compare_and_exchange_bool_acq (&mem, 35, 24)
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|| mem != 35)
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{
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puts ("catomic_compare_and_exchange_bool_acq test 1 failed");
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ret = 1;
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}
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mem = 12;
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if (! catomic_compare_and_exchange_bool_acq (&mem, 10, 15)
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|| mem != 12)
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{
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puts ("catomic_compare_and_exchange_bool_acq test 2 failed");
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ret = 1;
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}
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mem = -15;
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if (catomic_compare_and_exchange_bool_acq (&mem, -56, -15)
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|| mem != -56)
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{
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puts ("catomic_compare_and_exchange_bool_acq test 3 failed");
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ret = 1;
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}
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mem = -1;
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if (! catomic_compare_and_exchange_bool_acq (&mem, 17, 0)
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|| mem != -1)
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{
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puts ("catomic_compare_and_exchange_bool_acq test 4 failed");
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ret = 1;
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}
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mem = 2;
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if (catomic_exchange_and_add (&mem, 11) != 2
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|| mem != 13)
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{
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puts ("catomic_exchange_and_add test failed");
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ret = 1;
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}
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mem = -21;
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catomic_add (&mem, 22);
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if (mem != 1)
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{
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puts ("catomic_add test failed");
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ret = 1;
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}
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mem = -1;
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catomic_increment (&mem);
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if (mem != 0)
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{
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puts ("catomic_increment test failed");
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ret = 1;
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}
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mem = 2;
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if (catomic_increment_val (&mem) != 3)
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{
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puts ("catomic_increment_val test failed");
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ret = 1;
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}
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mem = 17;
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catomic_decrement (&mem);
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if (mem != 16)
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{
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puts ("catomic_decrement test failed");
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ret = 1;
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}
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if (catomic_decrement_val (&mem) != 15)
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{
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puts ("catomic_decrement_val test failed");
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ret = 1;
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}
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|
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/* Tests for C11-like atomics. */
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mem = 11;
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if (atomic_load_relaxed (&mem) != 11 || atomic_load_acquire (&mem) != 11)
|
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{
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puts ("atomic_load_{relaxed,acquire} test failed");
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ret = 1;
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}
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atomic_store_relaxed (&mem, 12);
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if (mem != 12)
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{
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puts ("atomic_store_relaxed test failed");
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ret = 1;
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}
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atomic_store_release (&mem, 13);
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if (mem != 13)
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{
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puts ("atomic_store_release test failed");
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ret = 1;
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}
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mem = 14;
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expected = 14;
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if (!atomic_compare_exchange_weak_relaxed (&mem, &expected, 25)
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|| mem != 25 || expected != 14)
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{
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puts ("atomic_compare_exchange_weak_relaxed test 1 failed");
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ret = 1;
|
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}
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if (atomic_compare_exchange_weak_relaxed (&mem, &expected, 14)
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|| mem != 25 || expected != 25)
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|
{
|
|
puts ("atomic_compare_exchange_weak_relaxed test 2 failed");
|
|
ret = 1;
|
|
}
|
|
mem = 14;
|
|
expected = 14;
|
|
if (!atomic_compare_exchange_weak_acquire (&mem, &expected, 25)
|
|
|| mem != 25 || expected != 14)
|
|
{
|
|
puts ("atomic_compare_exchange_weak_acquire test 1 failed");
|
|
ret = 1;
|
|
}
|
|
if (atomic_compare_exchange_weak_acquire (&mem, &expected, 14)
|
|
|| mem != 25 || expected != 25)
|
|
{
|
|
puts ("atomic_compare_exchange_weak_acquire test 2 failed");
|
|
ret = 1;
|
|
}
|
|
mem = 14;
|
|
expected = 14;
|
|
if (!atomic_compare_exchange_weak_release (&mem, &expected, 25)
|
|
|| mem != 25 || expected != 14)
|
|
{
|
|
puts ("atomic_compare_exchange_weak_release test 1 failed");
|
|
ret = 1;
|
|
}
|
|
if (atomic_compare_exchange_weak_release (&mem, &expected, 14)
|
|
|| mem != 25 || expected != 25)
|
|
{
|
|
puts ("atomic_compare_exchange_weak_release test 2 failed");
|
|
ret = 1;
|
|
}
|
|
|
|
mem = 23;
|
|
if (atomic_exchange_acquire (&mem, 42) != 23 || mem != 42)
|
|
{
|
|
puts ("atomic_exchange_acquire test failed");
|
|
ret = 1;
|
|
}
|
|
mem = 23;
|
|
if (atomic_exchange_release (&mem, 42) != 23 || mem != 42)
|
|
{
|
|
puts ("atomic_exchange_release test failed");
|
|
ret = 1;
|
|
}
|
|
|
|
mem = 23;
|
|
if (atomic_fetch_add_relaxed (&mem, 1) != 23 || mem != 24)
|
|
{
|
|
puts ("atomic_fetch_add_relaxed test failed");
|
|
ret = 1;
|
|
}
|
|
mem = 23;
|
|
if (atomic_fetch_add_acquire (&mem, 1) != 23 || mem != 24)
|
|
{
|
|
puts ("atomic_fetch_add_acquire test failed");
|
|
ret = 1;
|
|
}
|
|
mem = 23;
|
|
if (atomic_fetch_add_release (&mem, 1) != 23 || mem != 24)
|
|
{
|
|
puts ("atomic_fetch_add_release test failed");
|
|
ret = 1;
|
|
}
|
|
mem = 23;
|
|
if (atomic_fetch_add_acq_rel (&mem, 1) != 23 || mem != 24)
|
|
{
|
|
puts ("atomic_fetch_add_acq_rel test failed");
|
|
ret = 1;
|
|
}
|
|
|
|
mem = 3;
|
|
if (atomic_fetch_and_acquire (&mem, 2) != 3 || mem != 2)
|
|
{
|
|
puts ("atomic_fetch_and_acquire test failed");
|
|
ret = 1;
|
|
}
|
|
|
|
mem = 4;
|
|
if (atomic_fetch_or_relaxed (&mem, 2) != 4 || mem != 6)
|
|
{
|
|
puts ("atomic_fetch_or_relaxed test failed");
|
|
ret = 1;
|
|
}
|
|
mem = 4;
|
|
if (atomic_fetch_or_acquire (&mem, 2) != 4 || mem != 6)
|
|
{
|
|
puts ("atomic_fetch_or_acquire test failed");
|
|
ret = 1;
|
|
}
|
|
|
|
/* This is a single-threaded test, so we can't test the effects of the
|
|
fences. */
|
|
atomic_thread_fence_acquire ();
|
|
atomic_thread_fence_release ();
|
|
atomic_thread_fence_seq_cst ();
|
|
|
|
return ret;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|