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38 lines
1.2 KiB
38 lines
1.2 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/atomic.h" |
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#include "libavutil/avassert.h" |
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int main(void) |
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{ |
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volatile int val = 1; |
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void *tmp1 = (int *)&val; |
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void * volatile *tmp2 = &tmp1; |
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int res; |
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res = avpriv_atomic_int_add_and_fetch(&val, 1); |
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av_assert0(res == 2); |
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avpriv_atomic_int_set(&val, 3); |
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res = avpriv_atomic_int_get(&val); |
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av_assert0(res == 3); |
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avpriv_atomic_ptr_cas(tmp2, tmp1, &res); |
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av_assert0(*tmp2 == &res); |
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return 0; |
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}
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