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author | 2021-01-11 15:31:56 +0000 | |
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committer | 2021-01-11 15:31:56 +0000 | |
commit | 16ff81ed8b1ed9aa06fb1a731a2446b66cc49bef (patch) | |
tree | 1a7dd8152b94f6f8cd318bfaf85aa40882854583 /lib/libcxx/src/support/win32/thread_win32.cpp | |
parent | sync (diff) | |
download | wireguard-openbsd-16ff81ed8b1ed9aa06fb1a731a2446b66cc49bef.tar.xz wireguard-openbsd-16ff81ed8b1ed9aa06fb1a731a2446b66cc49bef.zip |
Remove libc++ and libc++abi 8.0.0 now that we switched to version 10.0.1
in the gnu/ directory.
Diffstat (limited to 'lib/libcxx/src/support/win32/thread_win32.cpp')
-rw-r--r-- | lib/libcxx/src/support/win32/thread_win32.cpp | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/lib/libcxx/src/support/win32/thread_win32.cpp b/lib/libcxx/src/support/win32/thread_win32.cpp deleted file mode 100644 index 1567042d8e2..00000000000 --- a/lib/libcxx/src/support/win32/thread_win32.cpp +++ /dev/null @@ -1,276 +0,0 @@ -// -*- C++ -*- -//===-------------------- support/win32/thread_win32.cpp ------------------===// -// -// 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. -// -//===----------------------------------------------------------------------===// - -#include <__threading_support> -#include <windows.h> -#include <process.h> -#include <fibersapi.h> - -_LIBCPP_BEGIN_NAMESPACE_STD - -static_assert(sizeof(__libcpp_mutex_t) == sizeof(SRWLOCK), ""); -static_assert(alignof(__libcpp_mutex_t) == alignof(SRWLOCK), ""); - -static_assert(sizeof(__libcpp_recursive_mutex_t) == sizeof(CRITICAL_SECTION), - ""); -static_assert(alignof(__libcpp_recursive_mutex_t) == alignof(CRITICAL_SECTION), - ""); - -static_assert(sizeof(__libcpp_condvar_t) == sizeof(CONDITION_VARIABLE), ""); -static_assert(alignof(__libcpp_condvar_t) == alignof(CONDITION_VARIABLE), ""); - -static_assert(sizeof(__libcpp_exec_once_flag) == sizeof(INIT_ONCE), ""); -static_assert(alignof(__libcpp_exec_once_flag) == alignof(INIT_ONCE), ""); - -static_assert(sizeof(__libcpp_thread_id) == sizeof(DWORD), ""); -static_assert(alignof(__libcpp_thread_id) == alignof(DWORD), ""); - -static_assert(sizeof(__libcpp_thread_t) == sizeof(HANDLE), ""); -static_assert(alignof(__libcpp_thread_t) == alignof(HANDLE), ""); - -static_assert(sizeof(__libcpp_tls_key) == sizeof(DWORD), ""); -static_assert(alignof(__libcpp_tls_key) == alignof(DWORD), ""); - -// Mutex -int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) -{ - InitializeCriticalSection((LPCRITICAL_SECTION)__m); - return 0; -} - -int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) -{ - EnterCriticalSection((LPCRITICAL_SECTION)__m); - return 0; -} - -bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) -{ - return TryEnterCriticalSection((LPCRITICAL_SECTION)__m) != 0; -} - -int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m) -{ - LeaveCriticalSection((LPCRITICAL_SECTION)__m); - return 0; -} - -int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m) -{ - DeleteCriticalSection((LPCRITICAL_SECTION)__m); - return 0; -} - -int __libcpp_mutex_lock(__libcpp_mutex_t *__m) -{ - AcquireSRWLockExclusive((PSRWLOCK)__m); - return 0; -} - -bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m) -{ - return TryAcquireSRWLockExclusive((PSRWLOCK)__m) != 0; -} - -int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) -{ - ReleaseSRWLockExclusive((PSRWLOCK)__m); - return 0; -} - -int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) -{ - static_cast<void>(__m); - return 0; -} - -// Condition Variable -int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) -{ - WakeConditionVariable((PCONDITION_VARIABLE)__cv); - return 0; -} - -int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) -{ - WakeAllConditionVariable((PCONDITION_VARIABLE)__cv); - return 0; -} - -int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) -{ - SleepConditionVariableSRW((PCONDITION_VARIABLE)__cv, (PSRWLOCK)__m, INFINITE, 0); - return 0; -} - -int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, - timespec *__ts) -{ - using namespace _VSTD::chrono; - - auto duration = seconds(__ts->tv_sec) + nanoseconds(__ts->tv_nsec); - auto abstime = - system_clock::time_point(duration_cast<system_clock::duration>(duration)); - auto timeout_ms = duration_cast<milliseconds>(abstime - system_clock::now()); - - if (!SleepConditionVariableSRW((PCONDITION_VARIABLE)__cv, (PSRWLOCK)__m, - timeout_ms.count() > 0 ? timeout_ms.count() - : 0, - 0)) - { - auto __ec = GetLastError(); - return __ec == ERROR_TIMEOUT ? ETIMEDOUT : __ec; - } - return 0; -} - -int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) -{ - static_cast<void>(__cv); - return 0; -} - -// Execute Once -static inline _LIBCPP_INLINE_VISIBILITY BOOL CALLBACK -__libcpp_init_once_execute_once_thunk(PINIT_ONCE __init_once, PVOID __parameter, - PVOID *__context) -{ - static_cast<void>(__init_once); - static_cast<void>(__context); - - void (*init_routine)(void) = reinterpret_cast<void (*)(void)>(__parameter); - init_routine(); - return TRUE; -} - -int __libcpp_execute_once(__libcpp_exec_once_flag *__flag, - void (*__init_routine)(void)) -{ - if (!InitOnceExecuteOnce((PINIT_ONCE)__flag, __libcpp_init_once_execute_once_thunk, - reinterpret_cast<void *>(__init_routine), NULL)) - return GetLastError(); - return 0; -} - -// Thread ID -bool __libcpp_thread_id_equal(__libcpp_thread_id __lhs, - __libcpp_thread_id __rhs) -{ - return __lhs == __rhs; -} - -bool __libcpp_thread_id_less(__libcpp_thread_id __lhs, __libcpp_thread_id __rhs) -{ - return __lhs < __rhs; -} - -// Thread -struct __libcpp_beginthreadex_thunk_data -{ - void *(*__func)(void *); - void *__arg; -}; - -static inline _LIBCPP_INLINE_VISIBILITY unsigned WINAPI -__libcpp_beginthreadex_thunk(void *__raw_data) -{ - auto *__data = - static_cast<__libcpp_beginthreadex_thunk_data *>(__raw_data); - auto *__func = __data->__func; - void *__arg = __data->__arg; - delete __data; - return static_cast<unsigned>(reinterpret_cast<uintptr_t>(__func(__arg))); -} - -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) -{ - auto *__data = new __libcpp_beginthreadex_thunk_data; - __data->__func = __func; - __data->__arg = __arg; - - *__t = reinterpret_cast<HANDLE>(_beginthreadex(nullptr, 0, - __libcpp_beginthreadex_thunk, - __data, 0, nullptr)); - - if (*__t) - return 0; - return GetLastError(); -} - -__libcpp_thread_id __libcpp_thread_get_current_id() -{ - return GetCurrentThreadId(); -} - -__libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) -{ - return GetThreadId(*__t); -} - -int __libcpp_thread_join(__libcpp_thread_t *__t) -{ - if (WaitForSingleObjectEx(*__t, INFINITE, FALSE) == WAIT_FAILED) - return GetLastError(); - if (!CloseHandle(*__t)) - return GetLastError(); - return 0; -} - -int __libcpp_thread_detach(__libcpp_thread_t *__t) -{ - if (!CloseHandle(*__t)) - return GetLastError(); - return 0; -} - -void __libcpp_thread_yield() -{ - SwitchToThread(); -} - -void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns) -{ - using namespace chrono; - // round-up to the nearest milisecond - milliseconds __ms = - duration_cast<milliseconds>(__ns + chrono::nanoseconds(999999)); - // FIXME(compnerd) this should be an alertable sleep (WFSO or SleepEx) - Sleep(__ms.count()); -} - -// Thread Local Storage -int __libcpp_tls_create(__libcpp_tls_key* __key, - void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)) -{ - DWORD index = FlsAlloc(__at_exit); - if (index == FLS_OUT_OF_INDEXES) - return GetLastError(); - *__key = index; - return 0; -} - -void *__libcpp_tls_get(__libcpp_tls_key __key) -{ - return FlsGetValue(__key); -} - -int __libcpp_tls_set(__libcpp_tls_key __key, void *__p) -{ - if (!FlsSetValue(__key, __p)) - return GetLastError(); - return 0; -} - -_LIBCPP_END_NAMESPACE_STD |