File size: 1,840 Bytes
8ae5fc5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | // -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef HAVE_DEPENDENT_EH_ABI
#error this header may only be used with libc++abi or libcxxrt
#endif
namespace std {
exception_ptr::~exception_ptr() _NOEXCEPT {
__cxa_decrement_exception_refcount(__ptr_);
}
exception_ptr::exception_ptr(const exception_ptr& other) _NOEXCEPT
: __ptr_(other.__ptr_)
{
__cxa_increment_exception_refcount(__ptr_);
}
exception_ptr& exception_ptr::operator=(const exception_ptr& other) _NOEXCEPT
{
if (__ptr_ != other.__ptr_)
{
__cxa_increment_exception_refcount(other.__ptr_);
__cxa_decrement_exception_refcount(__ptr_);
__ptr_ = other.__ptr_;
}
return *this;
}
nested_exception::nested_exception() _NOEXCEPT
: __ptr_(current_exception())
{
}
nested_exception::~nested_exception() _NOEXCEPT
{
}
_LIBCUDACXX_NORETURN
void
nested_exception::rethrow_nested() const
{
if (__ptr_ == nullptr)
terminate();
rethrow_exception(__ptr_);
}
exception_ptr current_exception() _NOEXCEPT
{
// 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());
exception_ptr ptr;
ptr.__ptr_ = __cxa_current_primary_exception();
return ptr;
}
_LIBCUDACXX_NORETURN
void rethrow_exception(exception_ptr p)
{
__cxa_rethrow_primary_exception(p.__ptr_);
// if p.__ptr_ is NULL, above returns so we terminate
terminate();
}
} // namespace std
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