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-rw-r--r--csu/tst-atomic.c640
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diff --git a/csu/tst-atomic.c b/csu/tst-atomic.c
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-/* 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;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"