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Diffstat (limited to 'misc/tst-atomic.c')
| -rw-r--r-- | misc/tst-atomic.c | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/misc/tst-atomic.c b/misc/tst-atomic.c new file mode 100644 index 0000000000..720b865496 --- /dev/null +++ b/misc/tst-atomic.c @@ -0,0 +1,639 @@ +/* Tests for atomic.h macros. + Copyright (C) 2003-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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 <stdio.h> +#include <atomic.h> + +#ifndef atomic_t +# define atomic_t int +#endif + +/* Test various atomic.h macros. */ +static int +do_test (void) +{ + atomic_t mem, expected; + int ret = 0; + +#ifdef atomic_compare_and_exchange_val_acq + mem = 24; + if (atomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24 + || mem != 35) + { + puts ("atomic_compare_and_exchange_val_acq test 1 failed"); + ret = 1; + } + + mem = 12; + if (atomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12 + || mem != 12) + { + puts ("atomic_compare_and_exchange_val_acq test 2 failed"); + ret = 1; + } + + mem = -15; + if (atomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15 + || mem != -56) + { + puts ("atomic_compare_and_exchange_val_acq test 3 failed"); + ret = 1; + } + + mem = -1; + if (atomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1 + || mem != -1) + { + puts ("atomic_compare_and_exchange_val_acq test 4 failed"); + ret = 1; + } +#endif + + mem = 24; + if (atomic_compare_and_exchange_bool_acq (&mem, 35, 24) + || mem != 35) + { + puts ("atomic_compare_and_exchange_bool_acq test 1 failed"); + ret = 1; + } + + mem = 12; + if (! atomic_compare_and_exchange_bool_acq (&mem, 10, 15) + || mem != 12) + { + puts ("atomic_compare_and_exchange_bool_acq test 2 failed"); + ret = 1; + } + + mem = -15; + if (atomic_compare_and_exchange_bool_acq (&mem, -56, -15) + || mem != -56) + { + puts ("atomic_compare_and_exchange_bool_acq test 3 failed"); + ret = 1; + } + + mem = -1; + if (! atomic_compare_and_exchange_bool_acq (&mem, 17, 0) + || mem != -1) + { + puts ("atomic_compare_and_exchange_bool_acq test 4 failed"); + ret = 1; + } + + mem = 64; + if (atomic_exchange_acq (&mem, 31) != 64 + || mem != 31) + { + puts ("atomic_exchange_acq test failed"); + ret = 1; + } + + mem = 2; + if (atomic_exchange_and_add (&mem, 11) != 2 + || mem != 13) + { + puts ("atomic_exchange_and_add test failed"); + ret = 1; + } + + mem = 2; + if (atomic_exchange_and_add_acq (&mem, 11) != 2 + || mem != 13) + { + puts ("atomic_exchange_and_add test failed"); + ret = 1; + } + + mem = 2; + if (atomic_exchange_and_add_rel (&mem, 11) != 2 + || mem != 13) + { + puts ("atomic_exchange_and_add test failed"); + ret = 1; + } + + mem = -21; + atomic_add (&mem, 22); + if (mem != 1) + { + puts ("atomic_add test failed"); + ret = 1; + } + + mem = -1; + atomic_increment (&mem); + if (mem != 0) + { + puts ("atomic_increment test failed"); + ret = 1; + } + + mem = 2; + if (atomic_increment_val (&mem) != 3) + { + puts ("atomic_increment_val test failed"); + ret = 1; + } + + mem = 0; + if (atomic_increment_and_test (&mem) + || mem != 1) + { + puts ("atomic_increment_and_test test 1 failed"); + ret = 1; + } + + mem = 35; + if (atomic_increment_and_test (&mem) + || mem != 36) + { + puts ("atomic_increment_and_test test 2 failed"); + ret = 1; + } + + mem = -1; + if (! atomic_increment_and_test (&mem) + || mem != 0) + { + puts ("atomic_increment_and_test test 3 failed"); + ret = 1; + } + + mem = 17; + atomic_decrement (&mem); + if (mem != 16) + { + puts ("atomic_decrement test failed"); + ret = 1; + } + + if (atomic_decrement_val (&mem) != 15) + { + puts ("atomic_decrement_val test failed"); + ret = 1; + } + + mem = 0; + if (atomic_decrement_and_test (&mem) + || mem != -1) + { + puts ("atomic_decrement_and_test test 1 failed"); + ret = 1; + } + + mem = 15; + if (atomic_decrement_and_test (&mem) + || mem != 14) + { + puts ("atomic_decrement_and_test test 2 failed"); + ret = 1; + } + + mem = 1; + if (! atomic_decrement_and_test (&mem) + || mem != 0) + { + puts ("atomic_decrement_and_test test 3 failed"); + ret = 1; + } + + mem = 1; + if (atomic_decrement_if_positive (&mem) != 1 + || mem != 0) + { + puts ("atomic_decrement_if_positive test 1 failed"); + ret = 1; + } + + mem = 0; + if (atomic_decrement_if_positive (&mem) != 0 + || mem != 0) + { + puts ("atomic_decrement_if_positive test 2 failed"); + ret = 1; + } + + mem = -1; + if (atomic_decrement_if_positive (&mem) != -1 + || mem != -1) + { + puts ("atomic_decrement_if_positive test 3 failed"); + ret = 1; + } + + mem = -12; + if (! atomic_add_negative (&mem, 10) + || mem != -2) + { + puts ("atomic_add_negative test 1 failed"); + ret = 1; + } + + mem = 0; + if (atomic_add_negative (&mem, 100) + || mem != 100) + { + puts ("atomic_add_negative test 2 failed"); + ret = 1; + } + + mem = 15; + if (atomic_add_negative (&mem, -10) + || mem != 5) + { + puts ("atomic_add_negative test 3 failed"); + ret = 1; + } + + mem = -12; + if (atomic_add_negative (&mem, 14) + || mem != 2) + { + puts ("atomic_add_negative test 4 failed"); + ret = 1; + } + + mem = 0; + if (! atomic_add_negative (&mem, -1) + || mem != -1) + { + puts ("atomic_add_negative test 5 failed"); + ret = 1; + } + + mem = -31; + if (atomic_add_negative (&mem, 31) + || mem != 0) + { + puts ("atomic_add_negative test 6 failed"); + ret = 1; + } + + mem = -34; + if (atomic_add_zero (&mem, 31) + || mem != -3) + { + puts ("atomic_add_zero test 1 failed"); + ret = 1; + } + + mem = -36; + if (! atomic_add_zero (&mem, 36) + || mem != 0) + { + puts ("atomic_add_zero test 2 failed"); + ret = 1; + } + + mem = 113; + if (atomic_add_zero (&mem, -13) + || mem != 100) + { + puts ("atomic_add_zero test 3 failed"); + ret = 1; + } + + mem = -18; + if (atomic_add_zero (&mem, 20) + || mem != 2) + { + puts ("atomic_add_zero test 4 failed"); + ret = 1; + } + + mem = 10; + if (atomic_add_zero (&mem, -20) + || mem != -10) + { + puts ("atomic_add_zero test 5 failed"); + ret = 1; + } + + mem = 10; + if (! atomic_add_zero (&mem, -10) + || mem != 0) + { + puts ("atomic_add_zero test 6 failed"); + ret = 1; + } + + mem = 0; + atomic_bit_set (&mem, 1); + if (mem != 2) + { + puts ("atomic_bit_set test 1 failed"); + ret = 1; + } + + mem = 8; + atomic_bit_set (&mem, 3); + if (mem != 8) + { + puts ("atomic_bit_set test 2 failed"); + ret = 1; + } + +#ifdef TEST_ATOMIC64 + mem = 16; + atomic_bit_set (&mem, 35); + if (mem != 0x800000010LL) + { + puts ("atomic_bit_set test 3 failed"); + ret = 1; + } +#endif + + mem = 0; + if (atomic_bit_test_set (&mem, 1) + || mem != 2) + { + puts ("atomic_bit_test_set test 1 failed"); + ret = 1; + } + + mem = 8; + if (! atomic_bit_test_set (&mem, 3) + || mem != 8) + { + puts ("atomic_bit_test_set test 2 failed"); + ret = 1; + } + +#ifdef TEST_ATOMIC64 + mem = 16; + if (atomic_bit_test_set (&mem, 35) + || mem != 0x800000010LL) + { + puts ("atomic_bit_test_set test 3 failed"); + ret = 1; + } + + mem = 0x100000000LL; + if (! atomic_bit_test_set (&mem, 32) + || mem != 0x100000000LL) + { + puts ("atomic_bit_test_set test 4 failed"); + ret = 1; + } +#endif + +#ifdef catomic_compare_and_exchange_val_acq + mem = 24; + if (catomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24 + || mem != 35) + { + puts ("catomic_compare_and_exchange_val_acq test 1 failed"); + ret = 1; + } + + mem = 12; + if (catomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12 + || mem != 12) + { + puts ("catomic_compare_and_exchange_val_acq test 2 failed"); + ret = 1; + } + + mem = -15; + if (catomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15 + || mem != -56) + { + puts ("catomic_compare_and_exchange_val_acq test 3 failed"); + ret = 1; + } + + mem = -1; + if (catomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1 + || mem != -1) + { + puts ("catomic_compare_and_exchange_val_acq test 4 failed"); + ret = 1; + } +#endif + + mem = 24; + if (catomic_compare_and_exchange_bool_acq (&mem, 35, 24) + || mem != 35) + { + puts ("catomic_compare_and_exchange_bool_acq test 1 failed"); + ret = 1; + } + + mem = 12; + if (! catomic_compare_and_exchange_bool_acq (&mem, 10, 15) + || mem != 12) + { + puts ("catomic_compare_and_exchange_bool_acq test 2 failed"); + ret = 1; + } + + mem = -15; + if (catomic_compare_and_exchange_bool_acq (&mem, -56, -15) + || mem != -56) + { + puts ("catomic_compare_and_exchange_bool_acq test 3 failed"); + ret = 1; + } + + mem = -1; + if (! catomic_compare_and_exchange_bool_acq (&mem, 17, 0) + || mem != -1) + { + puts ("catomic_compare_and_exchange_bool_acq test 4 failed"); + ret = 1; + } + + mem = 2; + if (catomic_exchange_and_add (&mem, 11) != 2 + || mem != 13) + { + puts ("catomic_exchange_and_add test failed"); + ret = 1; + } + + mem = -21; + catomic_add (&mem, 22); + if (mem != 1) + { + puts ("catomic_add test failed"); + ret = 1; + } + + mem = -1; + catomic_increment (&mem); + if (mem != 0) + { + puts ("catomic_increment test failed"); + ret = 1; + } + + mem = 2; + if (catomic_increment_val (&mem) != 3) + { + puts ("catomic_increment_val test failed"); + ret = 1; + } + + mem = 17; + catomic_decrement (&mem); + if (mem != 16) + { + puts ("catomic_decrement test failed"); + ret = 1; + } + + if (catomic_decrement_val (&mem) != 15) + { + puts ("catomic_decrement_val test failed"); + ret = 1; + } + + /* Tests for C11-like atomics. */ + mem = 11; + if (atomic_load_relaxed (&mem) != 11 || atomic_load_acquire (&mem) != 11) + { + puts ("atomic_load_{relaxed,acquire} test failed"); + ret = 1; + } + + atomic_store_relaxed (&mem, 12); + if (mem != 12) + { + puts ("atomic_store_relaxed test failed"); + ret = 1; + } + atomic_store_release (&mem, 13); + if (mem != 13) + { + puts ("atomic_store_release test failed"); + ret = 1; + } + + mem = 14; + expected = 14; + if (!atomic_compare_exchange_weak_relaxed (&mem, &expected, 25) + || mem != 25 || expected != 14) + { + puts ("atomic_compare_exchange_weak_relaxed test 1 failed"); + ret = 1; + } + if (atomic_compare_exchange_weak_relaxed (&mem, &expected, 14) + || mem != 25 || expected != 25) + { + 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> |