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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2017-01-05 17:54:45 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2017-01-05 17:54:45 +0000 |
| commit | 58a0dcee8009d6504ce05874e644eb1df1276a11 (patch) | |
| tree | 4fe775a2185648a45cc42ae50174053be78e8a41 /libcxx/include | |
| parent | ec63f62c58c84f7c97d665672a41448dfd9c3c9b (diff) | |
| download | bcm5719-llvm-58a0dcee8009d6504ce05874e644eb1df1276a11.tar.gz bcm5719-llvm-58a0dcee8009d6504ce05874e644eb1df1276a11.zip | |
thread_support: split out {,non-}recursive mutex
Split out the recursive and non-recursive mutex. This split is needed
for platforms which may use differing types for the two mutex (e.g.
Win32 threads).
llvm-svn: 291145
Diffstat (limited to 'libcxx/include')
| -rw-r--r-- | libcxx/include/__threading_support | 38 | ||||
| -rw-r--r-- | libcxx/include/mutex | 5 |
2 files changed, 39 insertions, 4 deletions
diff --git a/libcxx/include/__threading_support b/libcxx/include/__threading_support index b1eaf25ae8a..b4383b92c28 100644 --- a/libcxx/include/__threading_support +++ b/libcxx/include/__threading_support @@ -63,6 +63,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD typedef pthread_mutex_t __libcpp_mutex_t; #define _LIBCPP_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER +typedef pthread_mutex_t __libcpp_recursive_mutex_t; + // Condition Variable typedef pthread_cond_t __libcpp_condvar_t; #define _LIBCPP_CONDVAR_INITIALIZER PTHREAD_COND_INITIALIZER @@ -83,7 +85,19 @@ typedef pthread_key_t __libcpp_tls_key; // Mutex _LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_recursive_mutex_init(__libcpp_mutex_t *__m); +int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m); + +_LIBCPP_THREAD_ABI_VISIBILITY +int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m); + +_LIBCPP_THREAD_ABI_VISIBILITY +int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m); + +_LIBCPP_THREAD_ABI_VISIBILITY +int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m); + +_LIBCPP_THREAD_ABI_VISIBILITY +int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m); _LIBCPP_THREAD_ABI_VISIBILITY int __libcpp_mutex_lock(__libcpp_mutex_t *__m); @@ -164,7 +178,7 @@ int __libcpp_tls_set(__libcpp_tls_key __key, void *__p); #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) || \ defined(_LIBCPP_BUILDING_THREAD_API_EXTERNAL_PTHREAD) -int __libcpp_recursive_mutex_init(__libcpp_mutex_t *__m) +int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) { pthread_mutexattr_t attr; int __ec = pthread_mutexattr_init(&attr); @@ -188,6 +202,26 @@ int __libcpp_recursive_mutex_init(__libcpp_mutex_t *__m) return 0; } +int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) +{ + return pthread_mutex_lock(__m); +} + +int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) +{ + return pthread_mutex_trylock(__m); +} + +int __libcpp_recursive_mutex_unlock(__libcpp_mutex_t *__m) +{ + return pthread_mutex_unlock(__m); +} + +int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m) +{ + return pthread_mutex_destroy(__m); +} + int __libcpp_mutex_lock(__libcpp_mutex_t *__m) { return pthread_mutex_lock(__m); diff --git a/libcxx/include/mutex b/libcxx/include/mutex index 155b2c352b7..8526533f140 100644 --- a/libcxx/include/mutex +++ b/libcxx/include/mutex @@ -206,7 +206,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS recursive_mutex { - __libcpp_mutex_t __m_; + __libcpp_recursive_mutex_t __m_; public: recursive_mutex(); @@ -221,7 +221,8 @@ public: bool try_lock() _NOEXCEPT; void unlock() _NOEXCEPT; - typedef __libcpp_mutex_t* native_handle_type; + typedef __libcpp_recursive_mutex_t* native_handle_type; + _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; |
