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[libcxx] Don't assume __libcpp_thread_t is an integral type

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We have already refactored the underlying platform thread type into
__libcpp_thread_t, but there are few places in the source where we
still assume it is an integral type.

This patch refactores those points back into the threading API.

Differential revision: https://reviews.llvm.org/D28608

Reviewers: EricWF

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292107 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Asiri Rathnayake
2017-01-16 12:19:54 +00:00
parent b894a0b46d
commit a1d7d2ffb8
2 changed files with 20 additions and 5 deletions
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10
include/thread
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@@ -290,7 +290,7 @@ public:
typedef __libcpp_thread_t native_handle_type;
_LIBCPP_INLINE_VISIBILITY
thread() _NOEXCEPT : __t_(0) {}
thread() _NOEXCEPT : __t_(_LIBCPP_NULL_THREAD) {}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Fp, class ..._Args,
class = typename enable_if
@@ -306,7 +306,7 @@ public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
thread(thread&& __t) _NOEXCEPT : __t_(__t.__t_) {__t.__t_ = 0;}
thread(thread&& __t) _NOEXCEPT : __t_(__t.__t_) {__t.__t_ = _LIBCPP_NULL_THREAD;}
_LIBCPP_INLINE_VISIBILITY
thread& operator=(thread&& __t) _NOEXCEPT;
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -315,7 +315,7 @@ public:
void swap(thread& __t) _NOEXCEPT {_VSTD::swap(__t_, __t.__t_);}
_LIBCPP_INLINE_VISIBILITY
bool joinable() const _NOEXCEPT {return __t_ != 0;}
bool joinable() const _NOEXCEPT {return !__libcpp_thread_isnull(&__t_);}
void join();
void detach();
_LIBCPP_INLINE_VISIBILITY
@@ -409,10 +409,10 @@ inline
thread&
thread::operator=(thread&& __t) _NOEXCEPT
{
if (__t_ != 0)
if (!__libcpp_thread_isnull(&__t_))
terminate();
__t_ = __t.__t_;
__t.__t_ = 0;
__t.__t_ = _LIBCPP_NULL_THREAD;
return *this;
}