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-rw-r--r--contrib/libc++/src/exception.cpp73
1 files changed, 42 insertions, 31 deletions
diff --git a/contrib/libc++/src/exception.cpp b/contrib/libc++/src/exception.cpp
index 26d97a9..6b5e698 100644
--- a/contrib/libc++/src/exception.cpp
+++ b/contrib/libc++/src/exception.cpp
@@ -12,14 +12,17 @@
#if __APPLE__
#include <cxxabi.h>
+
using namespace __cxxabiv1;
- using namespace __cxxabiapple;
- // On Darwin, there are two STL shared libraries and a lower level ABI
- // shared libray. The globals holding the current terminate handler and
- // current unexpected handler are in the ABI library.
- #define __terminate_handler __cxxabiapple::__cxa_terminate_handler
- #define __unexpected_handler __cxxabiapple::__cxa_unexpected_handler
#define HAVE_DEPENDENT_EH_ABI 1
+ #ifndef _LIBCPPABI_VERSION
+ using namespace __cxxabiapple;
+ // On Darwin, there are two STL shared libraries and a lower level ABI
+ // shared libray. The globals holding the current terminate handler and
+ // current unexpected handler are in the ABI library.
+ #define __terminate_handler __cxxabiapple::__cxa_terminate_handler
+ #define __unexpected_handler __cxxabiapple::__cxa_unexpected_handler
+ #endif // _LIBCPPABI_VERSION
#elif defined(LIBCXXRT)
#include <cxxabi.h>
using namespace __cxxabiv1;
@@ -29,50 +32,54 @@
static std::unexpected_handler __unexpected_handler;
#endif // __APPLE__
-#ifndef LIBCXXRT
+namespace std
+{
+
+#if !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION)
+
// libcxxrt provides implementations of these functions itself.
-std::unexpected_handler
-std::set_unexpected(std::unexpected_handler func) _NOEXCEPT
+unexpected_handler
+set_unexpected(unexpected_handler func) _NOEXCEPT
{
return __sync_lock_test_and_set(&__unexpected_handler, func);
}
-std::unexpected_handler
-std::get_unexpected() _NOEXCEPT
+unexpected_handler
+get_unexpected() _NOEXCEPT
{
- return __sync_fetch_and_add(&__unexpected_handler, (std::unexpected_handler)0);
+ return __sync_fetch_and_add(&__unexpected_handler, (unexpected_handler)0);
}
_ATTRIBUTE(noreturn)
void
-std::unexpected()
+unexpected()
{
- (*std::get_unexpected())();
+ (*get_unexpected())();
// unexpected handler should not return
- std::terminate();
+ terminate();
}
-std::terminate_handler
-std::set_terminate(std::terminate_handler func) _NOEXCEPT
+terminate_handler
+set_terminate(terminate_handler func) _NOEXCEPT
{
return __sync_lock_test_and_set(&__terminate_handler, func);
}
-std::terminate_handler
-std::get_terminate() _NOEXCEPT
+terminate_handler
+get_terminate() _NOEXCEPT
{
- return __sync_fetch_and_add(&__terminate_handler, (std::terminate_handler)0);
+ return __sync_fetch_and_add(&__terminate_handler, (terminate_handler)0);
}
_ATTRIBUTE(noreturn)
void
-std::terminate() _NOEXCEPT
+terminate() _NOEXCEPT
{
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
- (*std::get_terminate())();
+ (*get_terminate())();
// handler should not return
::abort ();
#ifndef _LIBCPP_NO_EXCEPTIONS
@@ -84,13 +91,14 @@ std::terminate() _NOEXCEPT
}
#endif // _LIBCPP_NO_EXCEPTIONS
}
-#endif // LIBCXXRT
+#endif // !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION)
-bool std::uncaught_exception() _NOEXCEPT
+#ifndef LIBCXXRT
+bool uncaught_exception() _NOEXCEPT
{
#if __APPLE__
// on Darwin, there is a helper function so __cxa_get_globals is private
- return __cxxabiapple::__cxa_uncaught_exception();
+ return __cxa_uncaught_exception();
#elif LIBCXXRT
__cxa_eh_globals * globals = __cxa_get_globals();
return (globals->uncaughtExceptions != 0);
@@ -100,8 +108,7 @@ bool std::uncaught_exception() _NOEXCEPT
#endif // __APPLE__
}
-namespace std
-{
+#ifndef _LIBCPPABI_VERSION
exception::~exception() _NOEXCEPT
{
@@ -121,6 +128,9 @@ const char* bad_exception::what() const _NOEXCEPT
return "std::bad_exception";
}
+#endif // _LIBCPPABI_VERSION
+#endif //LIBCXXRT
+
exception_ptr::~exception_ptr() _NOEXCEPT
{
#if HAVE_DEPENDENT_EH_ABI
@@ -176,15 +186,14 @@ nested_exception::rethrow_nested() const
rethrow_exception(__ptr_);
}
-} // std
-std::exception_ptr std::current_exception() _NOEXCEPT
+exception_ptr current_exception() _NOEXCEPT
{
#if HAVE_DEPENDENT_EH_ABI
// be nicer if there was a constructor that took a ptr, then
// this whole function would be just:
// return exception_ptr(__cxa_current_primary_exception());
- std::exception_ptr ptr;
+ exception_ptr ptr;
ptr.__ptr_ = __cxa_current_primary_exception();
return ptr;
#else // __APPLE__
@@ -193,7 +202,8 @@ std::exception_ptr std::current_exception() _NOEXCEPT
#endif // __APPLE__
}
-void std::rethrow_exception(exception_ptr p)
+_ATTRIBUTE(noreturn)
+void rethrow_exception(exception_ptr p)
{
#if HAVE_DEPENDENT_EH_ABI
__cxa_rethrow_primary_exception(p.__ptr_);
@@ -204,3 +214,4 @@ void std::rethrow_exception(exception_ptr p)
::abort();
#endif // __APPLE__
}
+} // std
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