diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2015-09-06 18:46:46 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-09-06 18:46:46 +0000 |
| commit | 61b9a7258a7693d7f3674a5a1daf7b036ff1d382 (patch) | |
| tree | ec41ed70ffca97240e76f9a78bb2dedba28f310c /src/shared_mutex.cpp | |
| parent | f857581820d15e410e9945d2fcd5f7163be25a96 (diff) | |
Notes
Diffstat (limited to 'src/shared_mutex.cpp')
| -rw-r--r-- | src/shared_mutex.cpp | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/src/shared_mutex.cpp b/src/shared_mutex.cpp index 2b78c1feb9f5..874aceb1b03a 100644 --- a/src/shared_mutex.cpp +++ b/src/shared_mutex.cpp @@ -15,7 +15,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD -shared_timed_mutex::shared_timed_mutex() +// Shared Mutex Base +__shared_mutex_base::__shared_mutex_base() : __state_(0) { } @@ -23,7 +24,7 @@ shared_timed_mutex::shared_timed_mutex() // Exclusive ownership void -shared_timed_mutex::lock() +__shared_mutex_base::lock() { unique_lock<mutex> lk(__mut_); while (__state_ & __write_entered_) @@ -34,7 +35,7 @@ shared_timed_mutex::lock() } bool -shared_timed_mutex::try_lock() +__shared_mutex_base::try_lock() { unique_lock<mutex> lk(__mut_); if (__state_ == 0) @@ -46,7 +47,7 @@ shared_timed_mutex::try_lock() } void -shared_timed_mutex::unlock() +__shared_mutex_base::unlock() { lock_guard<mutex> _(__mut_); __state_ = 0; @@ -56,7 +57,7 @@ shared_timed_mutex::unlock() // Shared ownership void -shared_timed_mutex::lock_shared() +__shared_mutex_base::lock_shared() { unique_lock<mutex> lk(__mut_); while ((__state_ & __write_entered_) || (__state_ & __n_readers_) == __n_readers_) @@ -67,7 +68,7 @@ shared_timed_mutex::lock_shared() } bool -shared_timed_mutex::try_lock_shared() +__shared_mutex_base::try_lock_shared() { unique_lock<mutex> lk(__mut_); unsigned num_readers = __state_ & __n_readers_; @@ -82,7 +83,7 @@ shared_timed_mutex::try_lock_shared() } void -shared_timed_mutex::unlock_shared() +__shared_mutex_base::unlock_shared() { lock_guard<mutex> _(__mut_); unsigned num_readers = (__state_ & __n_readers_) - 1; @@ -101,6 +102,16 @@ shared_timed_mutex::unlock_shared() } +// Shared Timed Mutex +// These routines are here for ABI stability +shared_timed_mutex::shared_timed_mutex() : __base() {} +void shared_timed_mutex::lock() { return __base.lock(); } +bool shared_timed_mutex::try_lock() { return __base.try_lock(); } +void shared_timed_mutex::unlock() { return __base.unlock(); } +void shared_timed_mutex::lock_shared() { return __base.lock_shared(); } +bool shared_timed_mutex::try_lock_shared() { return __base.try_lock_shared(); } +void shared_timed_mutex::unlock_shared() { return __base.unlock_shared(); } + _LIBCPP_END_NAMESPACE_STD #endif // !_LIBCPP_HAS_NO_THREADS |