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glibc/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" |