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added noexcept specifier to functions in SpinLock.hpp

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hyung-hwan 2018-01-30 08:43:15 +00:00
parent d0bb9ae911
commit 4eff683036
1 changed files with 6 additions and 6 deletions
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12
qse/include/qse/si/SpinLock.hpp
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@ -43,9 +43,9 @@ QSE_BEGIN_NAMESPACE(QSE)
class SpinLock
{
public:
SpinLock(): flag(0) {}
SpinLock() QSE_CPP_NOEXCEPT: flag(0) {}
bool tryock()
bool tryock() QSE_CPP_NOEXCEPT
{
#if defined(QSE_HAVE_SYNC_LOCK_TEST_AND_SET) && defined(QSE_HAVE_SYNC_LOCK_RELEASE)
return !__sync_lock_test_and_set(&this->flag, 1);
@ -56,7 +56,7 @@ public:
#endif
}
void lock ()
void lock () QSE_CPP_NOEXCEPT
{
#if defined(QSE_HAVE_SYNC_LOCK_TEST_AND_SET) && defined(QSE_HAVE_SYNC_LOCK_RELEASE)
while (__sync_lock_test_and_set(&this->flag, 1)) { /* do nothing special */ }
@ -67,7 +67,7 @@ public:
#endif
}
void unlock ()
void unlock () QSE_CPP_NOEXCEPT
{
#if defined(QSE_HAVE_SYNC_LOCK_TEST_AND_SET) && defined(QSE_HAVE_SYNC_LOCK_RELEASE)
__sync_lock_release (&this->flag);
@ -91,12 +91,12 @@ protected:
class ScopedSpinLocker: public Uncopyable
{
public:
ScopedSpinLocker (SpinLock& spl): spl(spl)
ScopedSpinLocker (SpinLock& spl) QSE_CPP_NOEXCEPT: spl(spl)
{
this->spl.lock ();
}
~ScopedSpinLocker ()
~ScopedSpinLocker () QSE_CPP_NOEXCEPT
{
this->spl.unlock ();
}