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62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/*****************************************************************************
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Copyright (c) 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/*****************************************************************************
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If this program compiles and returns 0, then GCC atomic funcions are available.
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Created September 12, 2009 Vasil Dimov
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*****************************************************************************/
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int
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main(int argc, char** argv)
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{
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long x;
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long y;
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long res;
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char c;
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x = 10;
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y = 123;
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res = __sync_bool_compare_and_swap(&x, x, y);
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if (!res || x != y) {
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return(1);
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}
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x = 10;
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y = 123;
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res = __sync_bool_compare_and_swap(&x, x + 1, y);
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if (res || x != 10) {
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return(1);
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}
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x = 10;
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y = 123;
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res = __sync_add_and_fetch(&x, y);
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if (res != 123 + 10 || x != 123 + 10) {
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return(1);
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}
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c = 10;
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res = __sync_lock_test_and_set(&c, 123);
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if (res != 10 || c != 123) {
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return(1);
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}
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return(0);
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}
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