1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #ifndef _LIBCPP_ABI_MICROSOFT 12 #error this header can only be used when targeting the MSVC ABI 13 #endif 14 15 #include <stdio.h> 16 #include <stdlib.h> 17 #include <eh.h> 18 #include <corecrt_terminate.h> 19 20 namespace std { 21 22 // libcxxrt provides implementations of these functions itself. 23 unexpected_handler 24 set_unexpected(unexpected_handler func) _NOEXCEPT { 25 return ::set_unexpected(func); 26 } 27 28 unexpected_handler get_unexpected() _NOEXCEPT { 29 return ::_get_unexpected(); 30 } 31 32 _LIBCPP_NORETURN 33 void unexpected() { 34 (*get_unexpected())(); 35 // unexpected handler should not return 36 terminate(); 37 } 38 39 terminate_handler set_terminate(terminate_handler func) _NOEXCEPT { 40 return ::set_terminate(func); 41 } 42 43 terminate_handler get_terminate() _NOEXCEPT { 44 return ::_get_terminate(); 45 } 46 47 _LIBCPP_NORETURN 48 void terminate() _NOEXCEPT 49 { 50 #ifndef _LIBCPP_NO_EXCEPTIONS 51 try 52 { 53 #endif // _LIBCPP_NO_EXCEPTIONS 54 (*get_terminate())(); 55 // handler should not return 56 fprintf(stderr, "terminate_handler unexpectedly returned\n"); 57 ::abort(); 58 #ifndef _LIBCPP_NO_EXCEPTIONS 59 } 60 catch (...) 61 { 62 // handler should not throw exception 63 fprintf(stderr, "terminate_handler unexpectedly threw an exception\n"); 64 ::abort(); 65 } 66 #endif // _LIBCPP_NO_EXCEPTIONS 67 } 68 69 bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; } 70 71 int uncaught_exceptions() _NOEXCEPT { 72 return __uncaught_exceptions(); 73 } 74 75 bad_array_length::bad_array_length() _NOEXCEPT 76 { 77 } 78 79 bad_array_length::~bad_array_length() _NOEXCEPT 80 { 81 } 82 83 const char* 84 bad_array_length::what() const _NOEXCEPT 85 { 86 return "bad_array_length"; 87 } 88 89 } // namespace std 90
