espositofulvio updated the summary for this revision.
espositofulvio updated this revision to Diff 34104.
espositofulvio added a comment.
- Addressed possible ABI breaks
- Reverted to not using a __config_file as @jroelofs has two separate patch for
that
Repository:
rL LLVM
http://reviews.llvm.org/D11781
Files:
.gitignore
CMakeLists.txt
include/__config
include/__mutex_base
include/mutex
include/support/condition_variable.h
include/support/mutex.h
include/support/pthread/condition_variable.h
include/support/pthread/mutex.h
include/support/pthread/thread.h
include/support/thread.h
include/thread
lib/CMakeLists.txt
src/algorithm.cpp
src/condition_variable.cpp
src/memory.cpp
src/mutex.cpp
src/support/pthread/condition_variable.cpp
src/support/pthread/mutex.cpp
src/support/pthread/thread.cpp
src/thread.cpp
Index: src/thread.cpp
===================================================================
--- src/thread.cpp
+++ src/thread.cpp
@@ -32,6 +32,8 @@
_LIBCPP_BEGIN_NAMESPACE_STD
+using namespace __libcpp_support;
+
thread::~thread()
{
if (__t_ != 0)
@@ -41,7 +43,7 @@
void
thread::join()
{
- int ec = pthread_join(__t_, 0);
+ int ec = __os_thread_join(__t_);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (ec)
throw system_error(error_code(ec, system_category()), "thread::join failed");
@@ -57,7 +59,7 @@
int ec = EINVAL;
if (__t_ != 0)
{
- ec = pthread_detach(__t_);
+ ec = __os_thread_detach(__t_);
if (ec == 0)
__t_ = 0;
}
@@ -104,34 +106,12 @@
namespace this_thread
{
-void
-sleep_for(const chrono::nanoseconds& ns)
+void sleep_for(const chrono::nanoseconds& ns)
{
- using namespace chrono;
- if (ns > nanoseconds::zero())
- {
- 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 = giga::num - 1;
- }
-
- while (nanosleep(&ts, &ts) == -1 && errno == EINTR)
- ;
- }
+ __libcpp_support::__os_sleep_for(ns);
}
-} // this_thread
-
+}
__thread_specific_ptr<__thread_struct>&
__thread_local_data()
{
Index: src/support/pthread/thread.cpp
===================================================================
--- /dev/null
+++ src/support/pthread/thread.cpp
@@ -0,0 +1,54 @@
+// -*- C++ -*-
+//===---------------------- support/pthread/thread.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 "__config"
+
+#include <ostream>
+#include <chrono>
+#define _LIBCPP_INCLUDE_THREAD_API
+#include <support/pthread/thread.h>
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+namespace __libcpp_support
+{
+
+void
+__os_sleep_for(const chrono::nanoseconds& ns)
+{
+ using namespace chrono;
+ if (ns > nanoseconds::zero())
+ {
+ 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 = giga::num - 1;
+ }
+
+ while (nanosleep(&ts, &ts) == -1 && errno == EINTR)
+ ;
+ }
+}
+
+} //namespace __libcpp_support
+
+#endif // _LIBCPP_HAS_NO_THREADS
+_LIBCPP_END_NAMESPACE_STD
Index: src/support/pthread/mutex.cpp
===================================================================
--- /dev/null
+++ src/support/pthread/mutex.cpp
@@ -0,0 +1,131 @@
+// -*- C++ -*-
+//===---------------------- support/pthread/thread.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 "__config"
+
+#include <chrono>
+#include <system_error>
+#include "../../include/atomic_support.h"
+
+#define _LIBCPP_INCLUDE_THREAD_API
+#include <support/pthread/mutex.h>
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+namespace __libcpp_support
+{
+
+void __os_recursive_mutex_init(__os_mutex* __m)
+{
+ pthread_mutexattr_t attr;
+ int ec = pthread_mutexattr_init(&attr);
+ if (ec)
+ goto fail;
+ ec = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+ if (ec)
+ {
+ pthread_mutexattr_destroy(&attr);
+ goto fail;
+ }
+ ec = pthread_mutex_init(__m, &attr);
+ if (ec)
+ {
+ pthread_mutexattr_destroy(&attr);
+ goto fail;
+ }
+ ec = pthread_mutexattr_destroy(&attr);
+ if (ec)
+ {
+ pthread_mutex_destroy(__m);
+ goto fail;
+ }
+ return;
+fail:
+ __throw_system_error(ec, "recursive_mutex constructor failed");
+}
+
+#endif // _LIBCPP_HAS_NO_THREADS
+
+// If dispatch_once_f ever handles C++ exceptions, and if one can get to it
+// without illegal macros (unexpected macros not beginning with _UpperCase or
+// __lowercase), and if it stops spinning waiting threads, then call_once should
+// call into dispatch_once_f instead of here. Relevant radar this code needs to
+// keep in sync with: 7741191.
+
+#ifndef _LIBCPP_HAS_NO_THREADS
+static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
+#endif
+
+/// NOTE: Changes to flag are done via relaxed atomic stores
+/// even though the accesses are protected by a mutex because threads
+/// just entering 'call_once` concurrently read from flag.
+void
+__os_call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
+{
+#if defined(_LIBCPP_HAS_NO_THREADS)
+ if (flag == 0)
+ {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+ try
+ {
+#endif // _LIBCPP_NO_EXCEPTIONS
+ flag = 1;
+ func(arg);
+ flag = ~0ul;
+#ifndef _LIBCPP_NO_EXCEPTIONS
+ }
+ catch (...)
+ {
+ flag = 0ul;
+ throw;
+ }
+#endif // _LIBCPP_NO_EXCEPTIONS
+ }
+#else // !_LIBCPP_HAS_NO_THREADS
+ pthread_mutex_lock(&mut);
+ while (flag == 1)
+ pthread_cond_wait(&cv, &mut);
+ if (flag == 0)
+ {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+ try
+ {
+#endif // _LIBCPP_NO_EXCEPTIONS
+ __libcpp_relaxed_store(&flag, 1ul);
+ pthread_mutex_unlock(&mut);
+ func(arg);
+ pthread_mutex_lock(&mut);
+ __libcpp_relaxed_store(&flag, ~0ul);
+ pthread_mutex_unlock(&mut);
+ pthread_cond_broadcast(&cv);
+#ifndef _LIBCPP_NO_EXCEPTIONS
+ }
+ catch (...)
+ {
+ pthread_mutex_lock(&mut);
+ __libcpp_relaxed_store(&flag, 0ul);
+ pthread_mutex_unlock(&mut);
+ pthread_cond_broadcast(&cv);
+ throw;
+ }
+#endif // _LIBCPP_NO_EXCEPTIONS
+ }
+ else
+ pthread_mutex_unlock(&mut);
+#endif // !_LIBCPP_HAS_NO_THREADS
+
+}
+
+} //namespace __libcpp_support
+
+_LIBCPP_END_NAMESPACE_STD
Index: src/support/pthread/condition_variable.cpp
===================================================================
--- /dev/null
+++ src/support/pthread/condition_variable.cpp
@@ -0,0 +1,55 @@
+// -*- C++ -*-
+//===---------------------- support/pthread/thread.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 "__config"
+
+#include <chrono>
+#include "system_error"
+#define _LIBCPP_INCLUDE_THREAD_API
+#include <support/pthread/condition_variable.h>
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+namespace __libcpp_support
+{
+
+void __os_cond_var_timed_wait(__os_cond_var* cv,
+ __os_mutex* m,
+ chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
+{
+ using namespace chrono;
+ nanoseconds d = tp.time_since_epoch();
+ if (d > nanoseconds(0x59682F000000E941))
+ d = nanoseconds(0x59682F000000E941);
+ timespec ts;
+ seconds s = duration_cast<seconds>(d);
+ 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)>((d - s).count());
+ }
+ else
+ {
+ ts.tv_sec = ts_sec_max;
+ ts.tv_nsec = giga::num - 1;
+ }
+ int ec = pthread_cond_timedwait(cv, m, &ts);
+ if (ec != 0 && ec != ETIMEDOUT)
+ __throw_system_error(ec, "condition_variable timed_wait failed");
+}
+
+} //namespace __libcpp_support
+
+#endif // _LIBCPP_HAS_NO_THREADS
+_LIBCPP_END_NAMESPACE_STD
Index: src/mutex.cpp
===================================================================
--- src/mutex.cpp
+++ src/mutex.cpp
@@ -12,100 +12,78 @@
#include "limits"
#include "system_error"
#include "cassert"
-#include "include/atomic_support.h"
+#include "support/thread.h"
_LIBCPP_BEGIN_NAMESPACE_STD
#ifndef _LIBCPP_HAS_NO_THREADS
const defer_lock_t defer_lock = {};
const try_to_lock_t try_to_lock = {};
const adopt_lock_t adopt_lock = {};
+using namespace __libcpp_support;
+
mutex::~mutex()
{
- pthread_mutex_destroy(&__m_);
+ __os_mutex_destroy(&__m_);
}
void
mutex::lock()
{
- int ec = pthread_mutex_lock(&__m_);
+ int ec = __os_mutex_lock(&__m_);
if (ec)
__throw_system_error(ec, "mutex lock failed");
}
bool
mutex::try_lock() _NOEXCEPT
{
- return pthread_mutex_trylock(&__m_) == 0;
+ return __os_mutex_trylock(&__m_) == 0;
}
void
mutex::unlock() _NOEXCEPT
{
- int ec = pthread_mutex_unlock(&__m_);
+ int ec = __os_mutex_unlock(&__m_);
(void)ec;
assert(ec == 0);
}
// recursive_mutex
recursive_mutex::recursive_mutex()
{
- pthread_mutexattr_t attr;
- int ec = pthread_mutexattr_init(&attr);
- if (ec)
- goto fail;
- ec = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
- if (ec)
- {
- pthread_mutexattr_destroy(&attr);
- goto fail;
- }
- ec = pthread_mutex_init(&__m_, &attr);
- if (ec)
- {
- pthread_mutexattr_destroy(&attr);
- goto fail;
- }
- ec = pthread_mutexattr_destroy(&attr);
- if (ec)
- {
- pthread_mutex_destroy(&__m_);
- goto fail;
- }
- return;
-fail:
- __throw_system_error(ec, "recursive_mutex constructor failed");
+ __os_recursive_mutex_init(&__m_);
}
recursive_mutex::~recursive_mutex()
{
- int e = pthread_mutex_destroy(&__m_);
+ int e = __os_recursive_mutex_destroy(&__m_);
(void)e;
assert(e == 0);
}
void
recursive_mutex::lock()
{
- int ec = pthread_mutex_lock(&__m_);
+ int ec = __os_recursive_mutex_lock(&__m_);
if (ec)
__throw_system_error(ec, "recursive_mutex lock failed");
}
void
recursive_mutex::unlock() _NOEXCEPT
{
- int e = pthread_mutex_unlock(&__m_);
+ int e = __os_recursive_mutex_unlock(&__m_);
(void)e;
assert(e == 0);
}
bool
recursive_mutex::try_lock() _NOEXCEPT
{
- return pthread_mutex_trylock(&__m_) == 0;
+ return __os_recursive_mutex_trylock(&__m_) == 0;
}
// timed_mutex
@@ -165,9 +143,9 @@
void
recursive_timed_mutex::lock()
{
- pthread_t id = pthread_self();
+ __os_thread_id id = __os_get_current_thread_id();
unique_lock<mutex> lk(__m_);
- if (pthread_equal(id, __id_))
+ if (__os_thread_id_compare(id, __id_) == 0)
{
if (__count_ == numeric_limits<size_t>::max())
__throw_system_error(EAGAIN, "recursive_timed_mutex lock limit reached");
@@ -183,9 +161,9 @@
bool
recursive_timed_mutex::try_lock() _NOEXCEPT
{
- pthread_t id = pthread_self();
+ __os_thread_id id = __os_get_current_thread_id();
unique_lock<mutex> lk(__m_, try_to_lock);
- if (lk.owns_lock() && (__count_ == 0 || pthread_equal(id, __id_)))
+ if (lk.owns_lock() && (__count_ == 0 || __os_thread_id_compare(id, __id_) == 0))
{
if (__count_ == numeric_limits<size_t>::max())
return false;
@@ -210,75 +188,9 @@
#endif // !_LIBCPP_HAS_NO_THREADS
-// If dispatch_once_f ever handles C++ exceptions, and if one can get to it
-// without illegal macros (unexpected macros not beginning with _UpperCase or
-// __lowercase), and if it stops spinning waiting threads, then call_once should
-// call into dispatch_once_f instead of here. Relevant radar this code needs to
-// keep in sync with: 7741191.
-
-#ifndef _LIBCPP_HAS_NO_THREADS
-static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
-#endif
-
-/// NOTE: Changes to flag are done via relaxed atomic stores
-/// even though the accesses are protected by a mutex because threads
-/// just entering 'call_once` concurrently read from flag.
-void
-__call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
+void __call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
{
-#if defined(_LIBCPP_HAS_NO_THREADS)
- if (flag == 0)
- {
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try
- {
-#endif // _LIBCPP_NO_EXCEPTIONS
- flag = 1;
- func(arg);
- flag = ~0ul;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- flag = 0ul;
- throw;
- }
-#endif // _LIBCPP_NO_EXCEPTIONS
- }
-#else // !_LIBCPP_HAS_NO_THREADS
- pthread_mutex_lock(&mut);
- while (flag == 1)
- pthread_cond_wait(&cv, &mut);
- if (flag == 0)
- {
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try
- {
-#endif // _LIBCPP_NO_EXCEPTIONS
- __libcpp_relaxed_store(&flag, 1ul);
- pthread_mutex_unlock(&mut);
- func(arg);
- pthread_mutex_lock(&mut);
- __libcpp_relaxed_store(&flag, ~0ul);
- pthread_mutex_unlock(&mut);
- pthread_cond_broadcast(&cv);
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- pthread_mutex_lock(&mut);
- __libcpp_relaxed_store(&flag, 0ul);
- pthread_mutex_unlock(&mut);
- pthread_cond_broadcast(&cv);
- throw;
- }
-#endif // _LIBCPP_NO_EXCEPTIONS
- }
- else
- pthread_mutex_unlock(&mut);
-#endif // !_LIBCPP_HAS_NO_THREADS
-
+ __libcpp_support::__os_call_once(flag, arg, func);
}
_LIBCPP_END_NAMESPACE_STD
Index: src/memory.cpp
===================================================================
--- src/memory.cpp
+++ src/memory.cpp
@@ -126,13 +126,14 @@
#if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS)
+using namespace __libcpp_support;
static const std::size_t __sp_mut_count = 16;
-static pthread_mutex_t mut_back_imp[__sp_mut_count] =
+static __os_mutex mut_back_imp[__sp_mut_count] =
{
- PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
- PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
- PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
- PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER
+ __os_mutex_init, __os_mutex_init, __os_mutex_init, __os_mutex_init,
+ __os_mutex_init, __os_mutex_init, __os_mutex_init, __os_mutex_init,
+ __os_mutex_init, __os_mutex_init, __os_mutex_init, __os_mutex_init,
+ __os_mutex_init, __os_mutex_init, __os_mutex_init, __os_mutex_init
};
static mutex* mut_back = reinterpret_cast<std::mutex*>(mut_back_imp);
Index: src/condition_variable.cpp
===================================================================
--- src/condition_variable.cpp
+++ src/condition_variable.cpp
@@ -18,62 +18,44 @@
_LIBCPP_BEGIN_NAMESPACE_STD
+using namespace __libcpp_support;
+
condition_variable::~condition_variable()
{
- pthread_cond_destroy(&__cv_);
+ __os_cond_var_destroy(&__cv_);
}
void
condition_variable::notify_one() _NOEXCEPT
{
- pthread_cond_signal(&__cv_);
+ __os_cond_var_notify_one(&__cv_);
}
void
condition_variable::notify_all() _NOEXCEPT
{
- pthread_cond_broadcast(&__cv_);
+ __os_cond_var_notify_all(&__cv_);
}
void
condition_variable::wait(unique_lock<mutex>& lk) _NOEXCEPT
{
if (!lk.owns_lock())
__throw_system_error(EPERM,
"condition_variable::wait: mutex not locked");
- int ec = pthread_cond_wait(&__cv_, lk.mutex()->native_handle());
+ int ec = __os_cond_var_wait(&__cv_, lk.mutex()->native_handle());
if (ec)
__throw_system_error(ec, "condition_variable wait failed");
}
void
condition_variable::__do_timed_wait(unique_lock<mutex>& lk,
chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp) _NOEXCEPT
{
- using namespace chrono;
if (!lk.owns_lock())
__throw_system_error(EPERM,
"condition_variable::timed wait: mutex not locked");
- nanoseconds d = tp.time_since_epoch();
- if (d > nanoseconds(0x59682F000000E941))
- d = nanoseconds(0x59682F000000E941);
- timespec ts;
- seconds s = duration_cast<seconds>(d);
- 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)>((d - s).count());
- }
- else
- {
- ts.tv_sec = ts_sec_max;
- ts.tv_nsec = giga::num - 1;
- }
- int ec = pthread_cond_timedwait(&__cv_, lk.mutex()->native_handle(), &ts);
- if (ec != 0 && ec != ETIMEDOUT)
- __throw_system_error(ec, "condition_variable timed_wait failed");
+ __os_cond_var_timed_wait(&__cv_, lk.mutex()->native_handle(), tp);
}
void
Index: src/algorithm.cpp
===================================================================
--- src/algorithm.cpp
+++ src/algorithm.cpp
@@ -47,15 +47,16 @@
template unsigned __sort5<__less<long double>&, long double*>(long double*, long double*, long double*, long double*, long double*, __less<long double>&);
+using namespace __libcpp_support;
#ifndef _LIBCPP_HAS_NO_THREADS
-static pthread_mutex_t __rs_mut = PTHREAD_MUTEX_INITIALIZER;
+static __os_mutex __rs_mut = __os_mutex_init;
#endif
unsigned __rs_default::__c_ = 0;
__rs_default::__rs_default()
{
#ifndef _LIBCPP_HAS_NO_THREADS
- pthread_mutex_lock(&__rs_mut);
+ __os_mutex_lock(&__rs_mut);
#endif
__c_ = 1;
}
@@ -69,7 +70,7 @@
{
#ifndef _LIBCPP_HAS_NO_THREADS
if (--__c_ == 0)
- pthread_mutex_unlock(&__rs_mut);
+ __os_mutex_unlock(&__rs_mut);
#else
--__c_;
#endif
Index: lib/CMakeLists.txt
===================================================================
--- lib/CMakeLists.txt
+++ lib/CMakeLists.txt
@@ -8,6 +8,9 @@
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")
file(GLOB LIBCXX_SOLARIS_SOURCES ../src/support/solaris/*.c)
list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES})
+elseif(UNIX)
+ file(GLOB LIBCXX_PTHREAD_SOURCES ../src/support/pthread/*.cpp)
+ list(APPEND LIBCXX_SOURCES ${LIBCXX_PTHREAD_SOURCES})
endif()
# Add all the headers to the project for IDEs.
@@ -17,6 +20,9 @@
file( GLOB LIBCXX_WIN32_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/support/win32/*.h)
list(APPEND LIBCXX_HEADERS ${LIBCXX_WIN32_HEADERS})
endif()
+if(XCODE)
+ file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/support/pthread/*)
+ endif()
# Force them all into the headers dir on MSVC, otherwise they end up at
# project scope because they don't have extensions.
if (MSVC_IDE)
@@ -67,7 +73,7 @@
add_library_flags("${LIBCXX_SANITIZER_LIBRARY}")
add_link_flags("-Wl,-rpath,${LIBDIR}")
endif()
-endif()
+endif()
# Generate library list.
add_library_flags_if(LIBCXX_HAS_PTHREAD_LIB pthread)
Index: include/thread
===================================================================
--- include/thread
+++ include/thread
@@ -98,8 +98,7 @@
#ifndef _LIBCPP_HAS_NO_VARIADICS
#include <tuple>
#endif
-#include <pthread.h>
-#include <sched.h>
+#include <support/thread.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@@ -137,7 +136,7 @@
template <class _Tp>
class __thread_specific_ptr
{
- pthread_key_t __key_;
+ __libcpp_support::__os_tl_key __key_;
// Only __thread_local_data() may construct a __thread_specific_ptr
// and only with _Tp == __thread_struct.
@@ -155,7 +154,7 @@
~__thread_specific_ptr();
_LIBCPP_INLINE_VISIBILITY
- pointer get() const {return static_cast<_Tp*>(pthread_getspecific(__key_));}
+ pointer get() const {return static_cast<_Tp*>(__libcpp_support::__os_tl_get(__key_));}
_LIBCPP_INLINE_VISIBILITY
pointer operator*() const {return *get();}
_LIBCPP_INLINE_VISIBILITY
@@ -174,7 +173,9 @@
template <class _Tp>
__thread_specific_ptr<_Tp>::__thread_specific_ptr()
{
- int __ec = pthread_key_create(&__key_, &__thread_specific_ptr::__at_thread_exit);
+ int __ec = __libcpp_support::__os_tl_create(
+ &__key_,
+ &__thread_specific_ptr::__at_thread_exit);
#ifndef _LIBCPP_NO_EXCEPTIONS
if (__ec)
throw system_error(error_code(__ec, system_category()),
@@ -196,16 +197,16 @@
__thread_specific_ptr<_Tp>::release()
{
pointer __p = get();
- pthread_setspecific(__key_, 0);
+ __libcpp_support::__os_tl_set(__key_, 0);
return __p;
}
template <class _Tp>
void
__thread_specific_ptr<_Tp>::reset(pointer __p)
{
pointer __p_old = get();
- pthread_setspecific(__key_, __p);
+ __libcpp_support::__os_tl_set(__key_, __p);
delete __p_old;
}
@@ -226,21 +227,21 @@
// FIXME: pthread_t is a pointer on Darwin but a long on Linux.
// NULL is the no-thread value on Darwin. Someone needs to check
// on other platforms. We assume 0 works everywhere for now.
- pthread_t __id_;
+ __libcpp_support::__os_thread_id __id_;
public:
_LIBCPP_INLINE_VISIBILITY
__thread_id() _NOEXCEPT : __id_(0) {}
friend _LIBCPP_INLINE_VISIBILITY
bool operator==(__thread_id __x, __thread_id __y) _NOEXCEPT
- {return __x.__id_ == __y.__id_;}
+ {return __libcpp_support::__os_thread_id_compare(__x.__id_, __y.__id_) == 0;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator!=(__thread_id __x, __thread_id __y) _NOEXCEPT
{return !(__x == __y);}
friend _LIBCPP_INLINE_VISIBILITY
bool operator< (__thread_id __x, __thread_id __y) _NOEXCEPT
- {return __x.__id_ < __y.__id_;}
+ {return __libcpp_support::__os_thread_id_compare(__x.__id_, __y.__id_) < 0;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator<=(__thread_id __x, __thread_id __y) _NOEXCEPT
{return !(__y < __x);}
@@ -256,11 +257,11 @@
_LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, __thread_id __id)
- {return __os << __id.__id_;}
+ {return __libcpp_support::__os_write_to_ostream(__os, __id.__id_);}
private:
_LIBCPP_INLINE_VISIBILITY
- __thread_id(pthread_t __id) : __id_(__id) {}
+ __thread_id(__libcpp_support::__os_thread_id __id) : __id_(__id) {}
friend __thread_id this_thread::get_id() _NOEXCEPT;
friend class _LIBCPP_TYPE_VIS thread;
@@ -274,7 +275,7 @@
_LIBCPP_INLINE_VISIBILITY
size_t operator()(__thread_id __v) const
{
- return hash<pthread_t>()(__v.__id_);
+ return hash<__libcpp_support::__os_thread_id>()(__v.__id_);
}
};
@@ -285,23 +286,24 @@
__thread_id
get_id() _NOEXCEPT
{
- return pthread_self();
+ return __libcpp_support::__os_get_current_thread_id();
}
} // this_thread
class _LIBCPP_TYPE_VIS thread
{
- pthread_t __t_;
+ typedef __libcpp_support::__os_thread __thread_type;
+ __thread_type __t_;
thread(const thread&);
thread& operator=(const thread&);
public:
typedef __thread_id id;
- typedef pthread_t native_handle_type;
+ typedef __thread_type native_handle_type;
_LIBCPP_INLINE_VISIBILITY
- thread() _NOEXCEPT : __t_(0) {}
+ thread() _NOEXCEPT : __t_(__libcpp_support::__os_thread_init) {}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Fp, class ..._Args,
class = typename enable_if
@@ -329,7 +331,7 @@
void join();
void detach();
_LIBCPP_INLINE_VISIBILITY
- id get_id() const _NOEXCEPT {return __t_;}
+ id get_id() const _NOEXCEPT {return __libcpp_support::__os_get_thread_id(__t_);}
_LIBCPP_INLINE_VISIBILITY
native_handle_type native_handle() _NOEXCEPT {return __t_;}
@@ -365,7 +367,7 @@
typedef tuple<typename decay<_Fp>::type, typename decay<_Args>::type...> _Gp;
_VSTD::unique_ptr<_Gp> __p(new _Gp(__decay_copy(_VSTD::forward<_Fp>(__f)),
__decay_copy(_VSTD::forward<_Args>(__args))...));
- int __ec = pthread_create(&__t_, 0, &__thread_proxy<_Gp>, __p.get());
+ int __ec = __libcpp_support::__os_create_thread(&__t_, &__thread_proxy<_Gp>, __p.get());
if (__ec == 0)
__p.release();
else
@@ -388,7 +390,7 @@
thread::thread(_Fp __f)
{
std::unique_ptr<_Fp> __p(new _Fp(__f));
- int __ec = pthread_create(&__t_, 0, &__thread_proxy<_Fp>, __p.get());
+ int __ec = __libcpp_support::__os_create_thread(&__t_, &__thread_proxy<_Gp>, __p.get());
if (__ec == 0)
__p.release();
else
@@ -463,7 +465,7 @@
}
inline _LIBCPP_INLINE_VISIBILITY
-void yield() _NOEXCEPT {sched_yield();}
+void yield() _NOEXCEPT {__libcpp_support::__os_yield();}
} // this_thread
Index: include/support/thread.h
===================================================================
--- /dev/null
+++ include/support/thread.h
@@ -0,0 +1,27 @@
+// -*- 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_SUPPORT_THREAD_H
+#define _LIBCPP_SUPPORT_THREAD_H
+
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+#define _LIBCPP_INCLUDE_THREAD_API
+
+#if _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+# include <support/pthread/thread.h>
+#else
+# error "No thread API found"
+#endif // _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+#endif // _LIBCPP_HAS_NO_THREADS
+
+#endif // _LIBCPP_SUPPORT_THREAD_H
Index: include/support/pthread/thread.h
===================================================================
--- /dev/null
+++ include/support/pthread/thread.h
@@ -0,0 +1,121 @@
+// -*- 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_SUPPORT_PTHREAD_THREAD_H
+#define _LIBCPP_SUPPORT_PTHREAD_THREAD_H
+
+#ifndef _LIBCPP_INCLUDE_THREAD_API
+# error "This header can't be included directly"
+#endif // _LIBCPP_INCLUDE_THREAD_API
+
+#include <pthread.h>
+#include <sched.h>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace __libcpp_support
+{
+
+// thread local
+typedef pthread_key_t __os_tl_key;
+
+template<class _Func>
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_tl_create(__os_tl_key* __key, _Func&& __at_exit)
+{
+ return pthread_key_create(__key, __at_exit);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_tl_destroy(__os_tl_key __key)
+{
+ pthread_key_delete(__key);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void* __os_tl_get(__os_tl_key __key)
+{
+ return pthread_getspecific(__key);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_tl_set(__os_tl_key __key, void* __p)
+{
+ pthread_setspecific(__key, __p);
+}
+
+// thread id
+typedef pthread_t __os_thread_id;
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_thread_id_compare( __os_thread_id t1, __os_thread_id t2)
+{
+ bool res = pthread_equal(t1, t2);
+ return res != 0 ? 0 : (t1 < t2 ? -1 : 1);
+}
+
+template<class _CharT, class _Traits>
+inline _LIBCPP_INLINE_VISIBILITY
+basic_ostream<_CharT, _Traits>&
+__os_write_to_ostream(basic_ostream<_CharT, _Traits>& __os, __os_thread_id __id)
+{
+ return __os << __id;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+__os_thread_id __os_get_current_thread_id()
+{
+ return pthread_self();
+}
+
+
+// thread
+typedef pthread_t __os_thread;
+_LIBCPP_CONSTEXPR pthread_t __os_thread_init = 0;
+
+template<class _Func, class _Arg>
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_create_thread(__os_thread* __t, _Func&& __f, _Arg&& __arg)
+{
+ return pthread_create(__t, 0, __f, __arg);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+__os_thread_id __os_get_thread_id(__os_thread __t)
+{
+ return __t;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_thread_join(__os_thread t)
+{
+ return pthread_join(t, 0);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_thread_detach(__os_thread t)
+{
+ return pthread_detach(t);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_yield()
+{
+ sched_yield();
+}
+
+_LIBCPP_FUNC_VIS void __os_sleep_for(const chrono::nanoseconds& ns);
+
+} // namespace __libcpp_support
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_SUPPORT_PTHREAD_THREAD_H
+
Index: include/support/pthread/mutex.h
===================================================================
--- /dev/null
+++ include/support/pthread/mutex.h
@@ -0,0 +1,93 @@
+// -*- 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_SUPPORT_PTHREAD_MUTEX_H
+#define _LIBCPP_SUPPORT_PTHREAD_MUTEX_H
+
+#ifndef _LIBCPP_INCLUDE_THREAD_API
+# error "This header can't be included directly"
+#endif // _LIBCPP_INCLUDE_THREAD_API
+
+#include <pthread.h>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace __libcpp_support
+{
+
+// mutex
+typedef pthread_mutex_t __os_mutex;
+_LIBCPP_CONSTEXPR pthread_mutex_t __os_mutex_init = PTHREAD_MUTEX_INITIALIZER;
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_mutex_lock(__os_mutex* __m)
+{
+ return pthread_mutex_lock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_mutex_trylock(__os_mutex* __m)
+{
+ return pthread_mutex_trylock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_mutex_unlock(__os_mutex* __m)
+{
+ return pthread_mutex_unlock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_mutex_destroy(__os_mutex* __m)
+{
+ return pthread_mutex_destroy(__m);
+}
+
+// pthread hides differences between recursive and non-recursive mutexes
+// internally, other platform (e.g. Windows) might not, thus the following
+// is like the above except for init
+typedef pthread_mutex_t __os_recursive_mutex;
+
+_LIBCPP_FUNC_VIS
+void __os_recursive_mutex_init(__os_mutex* __m);
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_recursive_mutex_lock(__os_mutex* __m)
+{
+ return pthread_mutex_lock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_recursive_mutex_trylock(__os_mutex* __m)
+{
+ return pthread_mutex_trylock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_recursive_mutex_unlock(__os_mutex* __m)
+{
+ return pthread_mutex_unlock(__m);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_recursive_mutex_destroy(__os_mutex* __m)
+{
+ return pthread_mutex_destroy(__m);
+}
+
+_LIBCPP_FUNC_VIS void __os_call_once(volatile unsigned long&, void*, void(*)(void*));
+
+
+} // namespace __libcpp_support
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_SUPPORT_PTHREAD_MUTEX_H
+
Index: include/support/pthread/condition_variable.h
===================================================================
--- /dev/null
+++ include/support/pthread/condition_variable.h
@@ -0,0 +1,62 @@
+// -*- 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_SUPPORT_PTHREAD_CONDITION_VARIABLE_H
+#define _LIBCPP_SUPPORT_PTHREAD_CONDITION_VARIABLE_H
+
+#ifndef _LIBCPP_INCLUDE_THREAD_API
+# error "This header can't be included directly"
+#endif // _LIBCPP_INCLUDE_THREAD_API
+
+#include <pthread.h>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace __libcpp_support
+{
+
+typedef pthread_cond_t __os_cond_var;
+typedef pthread_mutex_t __os_mutex;
+_LIBCPP_CONSTEXPR pthread_cond_t __os_cond_var_init = PTHREAD_COND_INITIALIZER;
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_cond_var_destroy(__os_cond_var* __cv)
+{
+ pthread_cond_destroy(__cv);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_cond_var_notify_one(__os_cond_var* __cv)
+{
+ pthread_cond_signal(__cv);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void __os_cond_var_notify_all(__os_cond_var* __cv)
+{
+ pthread_cond_broadcast(__cv);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int __os_cond_var_wait(__os_cond_var* __cv, __os_mutex* __m)
+{
+ return pthread_cond_wait(__cv, __m);
+}
+
+_LIBCPP_FUNC_VIS
+void __os_cond_var_timed_wait(__os_cond_var* __cv,
+ __os_mutex* __m,
+ chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp);
+
+} // namespace __libcpp_support
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_SUPPORT_PTHREAD_CONDITION_VARIABLE_H
Index: include/support/mutex.h
===================================================================
--- /dev/null
+++ include/support/mutex.h
@@ -0,0 +1,28 @@
+// -*- 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_SUPPORT_MUTEX_H
+#define _LIBCPP_SUPPORT_MUTEX_H
+
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+#define _LIBCPP_INCLUDE_THREAD_API
+
+#if _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+# include <support/pthread/mutex.h>
+#else
+# error "No thread API found"
+#endif // _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+#endif // _LIBCPP_HAS_NO_THREADS
+
+#endif // _LIBCPP_SUPPORT_MUTEX_H
Index: include/support/condition_variable.h
===================================================================
--- /dev/null
+++ include/support/condition_variable.h
@@ -0,0 +1,28 @@
+// -*- 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_SUPPORT_CONDITION_VARIABLE_H
+#define _LIBCPP_SUPPORT_CONDITION_VARIABLE_H
+
+#ifndef _LIBCPP_HAS_NO_THREADS
+
+#define _LIBCPP_INCLUDE_THREAD_API
+
+#if _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+# include <support/pthread/condition_variable.h>
+#else
+# error "No thread API found"
+#endif // _LIBCPP_THREAD_API == _LIBCPP_PTHREAD
+
+#undef _LIBCPP_INCLUDE_THREAD_API
+
+#endif // _LIBCPP_HAS_NO_THREADS
+
+#endif // _LIBCPP_SUPPORT_CONDITION_VARIABLE_H
Index: include/mutex
===================================================================
--- include/mutex
+++ include/mutex
@@ -179,9 +179,7 @@
#ifndef _LIBCPP_HAS_NO_VARIADICS
#include <tuple>
#endif
-#ifndef _LIBCPP_HAS_NO_THREADS
-#include <sched.h>
-#endif
+#include <support/thread.h>
#include <__undef_min_max>
@@ -195,7 +193,8 @@
class _LIBCPP_TYPE_VIS recursive_mutex
{
- pthread_mutex_t __m_;
+ typedef __libcpp_support::__os_mutex __mutex_type;
+ __mutex_type __m_;
public:
recursive_mutex();
@@ -208,9 +207,9 @@
public:
void lock();
bool try_lock() _NOEXCEPT;
- void unlock() _NOEXCEPT;
+ void unlock() _NOEXCEPT;
- typedef pthread_mutex_t* native_handle_type;
+ typedef __mutex_type* native_handle_type;
_LIBCPP_INLINE_VISIBILITY
native_handle_type native_handle() {return &__m_;}
};
@@ -259,10 +258,10 @@
class _LIBCPP_TYPE_VIS recursive_timed_mutex
{
- mutex __m_;
- condition_variable __cv_;
- size_t __count_;
- pthread_t __id_;
+ mutex __m_;
+ condition_variable __cv_;
+ size_t __count_;
+ __libcpp_support::__os_thread_id __id_;
public:
recursive_timed_mutex();
~recursive_timed_mutex();
@@ -288,9 +287,10 @@
recursive_timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
{
using namespace chrono;
- pthread_t __id = pthread_self();
+ using namespace __libcpp_support;
+ __os_thread_id __id = __os_get_current_thread_id();
unique_lock<mutex> lk(__m_);
- if (pthread_equal(__id, __id_))
+ if (__os_thread_id_compare(__id, __id_) == 0)
{
if (__count_ == numeric_limits<size_t>::max())
return false;
@@ -362,16 +362,16 @@
break;
}
}
- sched_yield();
+ __libcpp_support::__os_yield();
{
unique_lock<_L1> __u1(__l1);
if (__l0.try_lock())
{
__u1.release();
break;
}
}
- sched_yield();
+ __libcpp_support::__os_yield();
}
}
@@ -396,7 +396,7 @@
}
}
++__i;
- sched_yield();
+ __libcpp_support::__os_yield();
break;
case 1:
{
@@ -412,7 +412,7 @@
__i = 0;
else
__i += 2;
- sched_yield();
+ __libcpp_support::__os_yield();
break;
default:
__lock_first(__i - 2, __l2, __l3..., __l0, __l1);
Index: include/__mutex_base
===================================================================
--- include/__mutex_base
+++ include/__mutex_base
@@ -14,9 +14,8 @@
#include <__config>
#include <chrono>
#include <system_error>
-#ifndef _LIBCPP_HAS_NO_THREADS
-#include <pthread.h>
-#endif
+#include <support/mutex.h>
+#include <support/condition_variable.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@@ -28,14 +27,15 @@
class _LIBCPP_TYPE_VIS mutex
{
- pthread_mutex_t __m_;
+ typedef __libcpp_support::__os_mutex __mutex_type;
+ __mutex_type __m_;
public:
_LIBCPP_INLINE_VISIBILITY
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
- constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {}
+ constexpr mutex() _NOEXCEPT : __m_(__libcpp_support::__os_mutex_init) {}
#else
- mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;}
+ mutex() _NOEXCEPT {__m_ = __libcpp_support::__os_mutex_init;}
#endif
~mutex();
@@ -48,7 +48,7 @@
bool try_lock() _NOEXCEPT;
void unlock() _NOEXCEPT;
- typedef pthread_mutex_t* native_handle_type;
+ typedef __mutex_type* native_handle_type;
_LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;}
};
@@ -268,13 +268,14 @@
class _LIBCPP_TYPE_VIS condition_variable
{
- pthread_cond_t __cv_;
+ typedef __libcpp_support::__os_cond_var __cond_var_type;
+ __cond_var_type __cv_;
public:
_LIBCPP_INLINE_VISIBILITY
#ifndef _LIBCPP_HAS_NO_CONSTEXPR
- constexpr condition_variable() : __cv_(PTHREAD_COND_INITIALIZER) {}
+ constexpr condition_variable() : __cv_(__libcpp_support::__os_cond_var_init) {}
#else
- condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;}
+ condition_variable() {__cv_ = __libcpp_support::__os_cond_var_init;}
#endif
~condition_variable();
@@ -312,7 +313,7 @@
const chrono::duration<_Rep, _Period>& __d,
_Predicate __pred);
- typedef pthread_cond_t* native_handle_type;
+ typedef __cond_var_type* native_handle_type;
_LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;}
private:
Index: include/__config
===================================================================
--- include/__config
+++ include/__config
@@ -746,6 +746,20 @@
# define _LIBCPP_WEAK __attribute__((__weak__))
#endif
+// Thread API
+#ifndef _LIBCPP_HAS_NO_THREADS
+# if defined(__FreeBSD__) || \
+ defined(__NetBSD__) || \
+ defined(__linux__) || \
+ defined(__APPLE__) || \
+ defined(__CloudABI__)
+# define _LIBCPP_THREAD_API _LIBCPP_PTHREAD
+# else
+# error "No thread API"
+# endif // _LIBCPP_THREAD_API
+#endif // _LIBCPP_HAS_NO_THREADS
+
+
#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS)
# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \
_LIBCPP_HAS_NO_THREADS is defined.
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -185,7 +185,7 @@
# Setup Compiler Flags
#===============================================================================
-include(HandleLibCXXABI) # Steup the ABI library flags
+include(HandleLibCXXABI) # Setup the ABI library flags
# Include macros for adding and removing libc++ flags.
include(HandleLibcxxFlags)
Index: .gitignore
===================================================================
--- .gitignore
+++ .gitignore
@@ -52,3 +52,4 @@
# PyBuilder
target/
+
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