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-rw-r--r--libstdc++-v3/include/bits/semaphore_base.h16
-rw-r--r--libstdc++-v3/testsuite/30_threads/stop_token/stop_callback/destroy.cc2
2 files changed, 6 insertions, 12 deletions
diff --git a/libstdc++-v3/include/bits/semaphore_base.h b/libstdc++-v3/include/bits/semaphore_base.h
index 35469e4..84b3342 100644
--- a/libstdc++-v3/include/bits/semaphore_base.h
+++ b/libstdc++-v3/include/bits/semaphore_base.h
@@ -196,9 +196,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__atomic_semaphore& operator=(const __atomic_semaphore&) = delete;
static _GLIBCXX_ALWAYS_INLINE bool
- _S_do_try_acquire(__detail::__platform_wait_t* __counter,
- __detail::__platform_wait_t& __old) noexcept
+ _S_do_try_acquire(__detail::__platform_wait_t* __counter) noexcept
{
+ auto __old = __atomic_impl::load(__counter, memory_order::acquire);
if (__old == 0)
return false;
@@ -211,18 +211,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_ALWAYS_INLINE void
_M_acquire() noexcept
{
- auto __old = __atomic_impl::load(&_M_counter, memory_order::acquire);
auto const __pred =
- [this, &__old] { return _S_do_try_acquire(&this->_M_counter, __old); };
+ [this] { return _S_do_try_acquire(&this->_M_counter); };
std::__atomic_wait_address_bare(&_M_counter, __pred);
}
bool
_M_try_acquire() noexcept
{
- auto __old = __atomic_impl::load(&_M_counter, memory_order::acquire);
auto const __pred =
- [this, &__old] { return _S_do_try_acquire(&this->_M_counter, __old); };
+ [this] { return _S_do_try_acquire(&this->_M_counter); };
return std::__detail::__atomic_spin(__pred);
}
@@ -231,9 +229,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_try_acquire_until(const chrono::time_point<_Clock,
_Duration>& __atime) noexcept
{
- auto __old = __atomic_impl::load(&_M_counter, memory_order_relaxed);
auto const __pred =
- [this, &__old] { return _S_do_try_acquire(&this->_M_counter, __old); };
+ [this] { return _S_do_try_acquire(&this->_M_counter); };
return __atomic_wait_address_until_bare(&_M_counter, __pred, __atime);
}
@@ -243,9 +240,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_try_acquire_for(const chrono::duration<_Rep, _Period>& __rtime)
noexcept
{
- auto __old = __atomic_impl::load(&_M_counter, memory_order_relaxed);
auto const __pred =
- [this, &__old] { return _S_do_try_acquire(&this->_M_counter, __old); };
+ [this] { return _S_do_try_acquire(&this->_M_counter); };
return __atomic_wait_address_for_bare(&_M_counter, __pred, __rtime);
}
diff --git a/libstdc++-v3/testsuite/30_threads/stop_token/stop_callback/destroy.cc b/libstdc++-v3/testsuite/30_threads/stop_token/stop_callback/destroy.cc
index c2cfba0..061ed44 100644
--- a/libstdc++-v3/testsuite/30_threads/stop_token/stop_callback/destroy.cc
+++ b/libstdc++-v3/testsuite/30_threads/stop_token/stop_callback/destroy.cc
@@ -21,8 +21,6 @@
// { dg-require-effective-target pthread }
// { dg-require-gthreads "" }
-// { dg-skip-if "FIXME: times out" { *-*-* } }
-
#include <stop_token>
#include <atomic>
#include <thread>