generic-library/cxx
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atomic_bool was missing (just a typedef to atomic<bool>).

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@171498 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2013-01-04 18:58:50 +00:00
parent 8226d0b7c5
commit 6ae47055f9
2 changed files with 59 additions and 0 deletions
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2
include/atomic
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@ -472,6 +472,7 @@ template <class T>
// Atomics for standard typedef types
typedef atomic<bool> atomic_bool;
typedef atomic<char> atomic_char;
typedef atomic<signed char> atomic_schar;
typedef atomic<unsigned char> atomic_uchar;
@ -1454,6 +1455,7 @@ atomic_signal_fence(memory_order __m) _NOEXCEPT
// Atomics for standard typedef types
typedef atomic<bool> atomic_bool;
typedef atomic<char> atomic_char;
typedef atomic<signed char> atomic_schar;
typedef atomic<unsigned char> atomic_uchar;

57
test/atomics/atomics.types.generic/bool.pass.cpp
View File

@ -46,6 +46,8 @@
// T operator=(T) volatile;
// T operator=(T);
// };
//
// typedef atomic<bool> atomic_bool;
#include <atomic>
#include <cassert>
@ -162,4 +164,59 @@ int main()
assert((obj = true) == true);
assert(obj == true);
}
{
std::atomic_bool _;
std::atomic_bool obj(true);
assert(obj == true);
std::atomic_init(&obj, false);
assert(obj == false);
std::atomic_init(&obj, true);
assert(obj == true);
bool b0 = obj.is_lock_free();
obj.store(false);
assert(obj == false);
obj.store(true, std::memory_order_release);
assert(obj == true);
assert(obj.load() == true);
assert(obj.load(std::memory_order_acquire) == true);
assert(obj.exchange(false) == true);
assert(obj == false);
assert(obj.exchange(true, std::memory_order_relaxed) == false);
assert(obj == true);
bool x = obj;
assert(obj.compare_exchange_weak(x, false) == true);
assert(obj == false);
assert(x == true);
assert(obj.compare_exchange_weak(x, true,
std::memory_order_seq_cst) == false);
assert(obj == false);
assert(x == false);
obj.store(true);
x = true;
assert(obj.compare_exchange_weak(x, false,
std::memory_order_seq_cst,
std::memory_order_seq_cst) == true);
assert(obj == false);
assert(x == true);
x = true;
obj.store(true);
assert(obj.compare_exchange_strong(x, false) == true);
assert(obj == false);
assert(x == true);
assert(obj.compare_exchange_strong(x, true,
std::memory_order_seq_cst) == false);
assert(obj == false);
assert(x == false);
x = true;
obj.store(true);
assert(obj.compare_exchange_strong(x, false,
std::memory_order_seq_cst,
std::memory_order_seq_cst) == true);
assert(obj == false);
assert(x == true);
assert((obj = false) == false);
assert(obj == false);
assert((obj = true) == true);
assert(obj == true);
}
}