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glibc/misc/tst-atomic.c
Paul Eggert 5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 02:43:31 -07:00

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/* Tests for atomic.h macros.
Copyright (C) 2003-2019 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
<https://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>
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