| Howard Hinnant | 79101ae | 2010-09-30 21:05:29 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| Howard Hinnant | 79101ae | 2010-09-30 21:05:29 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| Jonathan Roelofs | 8d86b2e | 2014-09-05 19:45:05 +0000 | [diff] [blame] | 9 | // |
| 10 | // UNSUPPORTED: libcpp-has-no-threads |
| Howard Hinnant | 79101ae | 2010-09-30 21:05:29 +0000 | [diff] [blame] | 11 | |
| 12 | // <atomic> |
| 13 | |
| 14 | // struct atomic_flag |
| 15 | |
| 16 | // atomic_flag() = ATOMIC_FLAG_INIT; |
| 17 | |
| 18 | #include <atomic> |
| 19 | #include <cassert> |
| 20 | |
| 21 | int main() |
| 22 | { |
| 23 | std::atomic_flag f = ATOMIC_FLAG_INIT; |
| 24 | assert(f.test_and_set() == 0); |
| 25 | } |