EricWF added a comment.
Added more inline comments.
================
Comment at: include/__mutex_base:36
@@ -35,3 +37,3 @@
#else
- mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;}
#endif
----------------
Why was the cast insignificant?
================
Comment at: include/__mutex_base:275
@@ -274,3 +277,3 @@
#else
- condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;}
#endif
----------------
Why was the cast insignificant?
================
Comment at: include/thread:412
@@ -411,3 +413,6 @@
-_LIBCPP_FUNC_VIS void sleep_for(const chrono::nanoseconds& ns);
----------------
I'm 99% this is an ABI break. Don't inline this function and make the change
within the definition
================
Comment at: include/type_traits:222
@@ -221,3 +221,3 @@
-template <class _Tp>
-struct __identity { typedef _Tp type; };
+template <class T>
+struct __identity { typedef T type; };
----------------
This change seems to have snuck in.
================
Comment at: src/algorithm.cpp:51
@@ -50,3 +50,3 @@
#ifndef _LIBCPP_HAS_NO_THREADS
-static pthread_mutex_t __rs_mut = PTHREAD_MUTEX_INITIALIZER;
+static mutex __rs_mut;
#endif
----------------
I think this prevents __rs_mut from being initialized during constant
initialization.
(http://en.cppreference.com/w/cpp/language/constant_initialization)
================
Comment at: src/memory.cpp:130
@@ -129,3 +129,1 @@
static const std::size_t __sp_mut_count = 16;
-static pthread_mutex_t mut_back_imp[__sp_mut_count] =
-{
----------------
I have no idea what is going on here. Do you understand what this code was
trying to do?
Repository:
rL LLVM
http://reviews.llvm.org/D11781
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