diff options
Diffstat (limited to 'lib/libcxx/include/__threading_support')
| -rw-r--r-- | lib/libcxx/include/__threading_support | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/lib/libcxx/include/__threading_support b/lib/libcxx/include/__threading_support deleted file mode 100644 index 20249006272..00000000000 --- a/lib/libcxx/include/__threading_support +++ /dev/null @@ -1,402 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_THREADING_SUPPORT -#define _LIBCPP_THREADING_SUPPORT - -#include <__config> -#include <chrono> -#include <errno.h> - -#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -#pragma GCC system_header -#endif - -#if defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) -# include <__external_threading> -#elif !defined(_LIBCPP_HAS_NO_THREADS) - -#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) -# include <pthread.h> -# include <sched.h> -#endif - -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - -#if defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \ - defined(_LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL) || \ - defined(_LIBCPP_HAS_THREAD_API_WIN32) -#define _LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_FUNC_VIS -#else -#define _LIBCPP_THREAD_ABI_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY -#endif - -#if defined(__FreeBSD__) && defined(__clang__) && __has_attribute(no_thread_safety_analysis) -#define _LIBCPP_NO_THREAD_SAFETY_ANALYSIS __attribute__((no_thread_safety_analysis)) -#else -#define _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) -// Mutex -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 - -// Execute once -typedef pthread_once_t __libcpp_exec_once_flag; -#define _LIBCPP_EXEC_ONCE_INITIALIZER PTHREAD_ONCE_INIT - -// Thread id -typedef pthread_t __libcpp_thread_id; - -// Thread -#define _LIBCPP_NULL_THREAD 0U - -typedef pthread_t __libcpp_thread_t; - -// Thread Local Storage -typedef pthread_key_t __libcpp_tls_key; - -#define _LIBCPP_TLS_DESTRUCTOR_CC -#else -// Mutex -typedef void* __libcpp_mutex_t; -#define _LIBCPP_MUTEX_INITIALIZER 0 - -#if defined(_M_IX86) || defined(__i386__) || defined(_M_ARM) || defined(__arm__) -typedef void* __libcpp_recursive_mutex_t[6]; -#elif defined(_M_AMD64) || defined(__x86_64__) || defined(_M_ARM64) || defined(__aarch64__) -typedef void* __libcpp_recursive_mutex_t[5]; -#else -# error Unsupported architecture -#endif - -// Condition Variable -typedef void* __libcpp_condvar_t; -#define _LIBCPP_CONDVAR_INITIALIZER 0 - -// Execute Once -typedef void* __libcpp_exec_once_flag; -#define _LIBCPP_EXEC_ONCE_INITIALIZER 0 - -// Thread ID -typedef long __libcpp_thread_id; - -// Thread -#define _LIBCPP_NULL_THREAD 0U - -typedef void* __libcpp_thread_t; - -// Thread Local Storage -typedef long __libcpp_tls_key; - -#define _LIBCPP_TLS_DESTRUCTOR_CC __stdcall -#endif - -// Mutex -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -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 _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -int __libcpp_mutex_lock(__libcpp_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -int __libcpp_mutex_unlock(__libcpp_mutex_t *__m); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_mutex_destroy(__libcpp_mutex_t *__m); - -// Condition variable -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_condvar_signal(__libcpp_condvar_t* __cv); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -int __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m); - -_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS -int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, - timespec *__ts); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv); - -// Execute once -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_execute_once(__libcpp_exec_once_flag *flag, - void (*init_routine)(void)); - -// Thread id -_LIBCPP_THREAD_ABI_VISIBILITY -bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2); - -_LIBCPP_THREAD_ABI_VISIBILITY -bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2); - -// Thread -_LIBCPP_THREAD_ABI_VISIBILITY -bool __libcpp_thread_isnull(const __libcpp_thread_t *__t); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), - void *__arg); - -_LIBCPP_THREAD_ABI_VISIBILITY -__libcpp_thread_id __libcpp_thread_get_current_id(); - -_LIBCPP_THREAD_ABI_VISIBILITY -__libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_thread_join(__libcpp_thread_t *__t); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_thread_detach(__libcpp_thread_t *__t); - -_LIBCPP_THREAD_ABI_VISIBILITY -void __libcpp_thread_yield(); - -_LIBCPP_THREAD_ABI_VISIBILITY -void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns); - -// Thread local storage -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_tls_create(__libcpp_tls_key* __key, - void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)); - -_LIBCPP_THREAD_ABI_VISIBILITY -void *__libcpp_tls_get(__libcpp_tls_key __key); - -_LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_tls_set(__libcpp_tls_key __key, void *__p); - -#if (!defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \ - defined(_LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL)) && \ - defined(_LIBCPP_HAS_THREAD_API_PTHREAD) - -int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) -{ - pthread_mutexattr_t attr; - int __ec = pthread_mutexattr_init(&attr); - if (__ec) - return __ec; - __ec = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); - if (__ec) { - pthread_mutexattr_destroy(&attr); - return __ec; - } - __ec = pthread_mutex_init(__m, &attr); - if (__ec) { - pthread_mutexattr_destroy(&attr); - return __ec; - } - __ec = pthread_mutexattr_destroy(&attr); - if (__ec) { - pthread_mutex_destroy(__m); - return __ec; - } - return 0; -} - -int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) -{ - return pthread_mutex_lock(__m); -} - -bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) -{ - return pthread_mutex_trylock(__m) == 0; -} - -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); -} - -bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m) -{ - return pthread_mutex_trylock(__m) == 0; -} - -int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) -{ - return pthread_mutex_unlock(__m); -} - -int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) -{ - return pthread_mutex_destroy(__m); -} - -// Condition Variable -int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) -{ - return pthread_cond_signal(__cv); -} - -int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) -{ - return pthread_cond_broadcast(__cv); -} - -int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) -{ - return pthread_cond_wait(__cv, __m); -} - -int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, - timespec *__ts) -{ - return pthread_cond_timedwait(__cv, __m, __ts); -} - -int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) -{ - return pthread_cond_destroy(__cv); -} - -// Execute once -int __libcpp_execute_once(__libcpp_exec_once_flag *flag, - void (*init_routine)(void)) { - return pthread_once(flag, init_routine); -} - -// Thread id -// Returns non-zero if the thread ids are equal, otherwise 0 -bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2) -{ - return pthread_equal(t1, t2) != 0; -} - -// Returns non-zero if t1 < t2, otherwise 0 -bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2) -{ - return t1 < t2; -} - -// Thread -bool __libcpp_thread_isnull(const __libcpp_thread_t *__t) { - return *__t == 0; -} - -int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), - void *__arg) -{ - return pthread_create(__t, 0, __func, __arg); -} - -__libcpp_thread_id __libcpp_thread_get_current_id() -{ - return pthread_self(); -} - -__libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) -{ - return *__t; -} - -int __libcpp_thread_join(__libcpp_thread_t *__t) -{ - return pthread_join(*__t, 0); -} - -int __libcpp_thread_detach(__libcpp_thread_t *__t) -{ - return pthread_detach(*__t); -} - -void __libcpp_thread_yield() -{ - sched_yield(); -} - -void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns) -{ - using namespace chrono; - seconds __s = duration_cast<seconds>(__ns); - timespec __ts; - typedef decltype(__ts.tv_sec) ts_sec; - _LIBCPP_CONSTEXPR ts_sec __ts_sec_max = numeric_limits<ts_sec>::max(); - - if (__s.count() < __ts_sec_max) - { - __ts.tv_sec = static_cast<ts_sec>(__s.count()); - __ts.tv_nsec = static_cast<decltype(__ts.tv_nsec)>((__ns - __s).count()); - } - else - { - __ts.tv_sec = __ts_sec_max; - __ts.tv_nsec = 999999999; // (10^9 - 1) - } - - while (nanosleep(&__ts, &__ts) == -1 && errno == EINTR); -} - -// Thread local storage -int __libcpp_tls_create(__libcpp_tls_key *__key, void (*__at_exit)(void *)) -{ - return pthread_key_create(__key, __at_exit); -} - -void *__libcpp_tls_get(__libcpp_tls_key __key) -{ - return pthread_getspecific(__key); -} - -int __libcpp_tls_set(__libcpp_tls_key __key, void *__p) -{ - return pthread_setspecific(__key, __p); -} - -#endif // !_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL || _LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL - -_LIBCPP_END_NAMESPACE_STD - -_LIBCPP_POP_MACROS - -#endif // !_LIBCPP_HAS_NO_THREADS - -#endif // _LIBCPP_THREADING_SUPPORT |