1*c05d8e5dSAndroid Build Coastguard Worker //===------------------------- cxa_handlers.cpp ---------------------------===// 2*c05d8e5dSAndroid Build Coastguard Worker // 3*c05d8e5dSAndroid Build Coastguard Worker // The LLVM Compiler Infrastructure 4*c05d8e5dSAndroid Build Coastguard Worker // 5*c05d8e5dSAndroid Build Coastguard Worker // This file is dual licensed under the MIT and the University of Illinois Open 6*c05d8e5dSAndroid Build Coastguard Worker // Source Licenses. See LICENSE.TXT for details. 7*c05d8e5dSAndroid Build Coastguard Worker // 8*c05d8e5dSAndroid Build Coastguard Worker // 9*c05d8e5dSAndroid Build Coastguard Worker // This file implements the functionality associated with the terminate_handler, 10*c05d8e5dSAndroid Build Coastguard Worker // unexpected_handler, and new_handler. 11*c05d8e5dSAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 12*c05d8e5dSAndroid Build Coastguard Worker 13*c05d8e5dSAndroid Build Coastguard Worker #ifndef _CXA_HANDLERS_H 14*c05d8e5dSAndroid Build Coastguard Worker #define _CXA_HANDLERS_H 15*c05d8e5dSAndroid Build Coastguard Worker 16*c05d8e5dSAndroid Build Coastguard Worker #include <__cxxabi_config.h> 17*c05d8e5dSAndroid Build Coastguard Worker 18*c05d8e5dSAndroid Build Coastguard Worker #include <exception> 19*c05d8e5dSAndroid Build Coastguard Worker 20*c05d8e5dSAndroid Build Coastguard Worker namespace std 21*c05d8e5dSAndroid Build Coastguard Worker { 22*c05d8e5dSAndroid Build Coastguard Worker 23*c05d8e5dSAndroid Build Coastguard Worker _LIBCXXABI_HIDDEN _LIBCXXABI_NORETURN 24*c05d8e5dSAndroid Build Coastguard Worker void 25*c05d8e5dSAndroid Build Coastguard Worker __unexpected(unexpected_handler func); 26*c05d8e5dSAndroid Build Coastguard Worker 27*c05d8e5dSAndroid Build Coastguard Worker _LIBCXXABI_HIDDEN _LIBCXXABI_NORETURN 28*c05d8e5dSAndroid Build Coastguard Worker void 29*c05d8e5dSAndroid Build Coastguard Worker __terminate(terminate_handler func) _NOEXCEPT; 30*c05d8e5dSAndroid Build Coastguard Worker 31*c05d8e5dSAndroid Build Coastguard Worker } // std 32*c05d8e5dSAndroid Build Coastguard Worker 33*c05d8e5dSAndroid Build Coastguard Worker extern "C" 34*c05d8e5dSAndroid Build Coastguard Worker { 35*c05d8e5dSAndroid Build Coastguard Worker 36*c05d8e5dSAndroid Build Coastguard Worker _LIBCXXABI_DATA_VIS extern void (*__cxa_terminate_handler)(); 37*c05d8e5dSAndroid Build Coastguard Worker _LIBCXXABI_DATA_VIS extern void (*__cxa_unexpected_handler)(); 38*c05d8e5dSAndroid Build Coastguard Worker _LIBCXXABI_DATA_VIS extern void (*__cxa_new_handler)(); 39*c05d8e5dSAndroid Build Coastguard Worker 40*c05d8e5dSAndroid Build Coastguard Worker /* 41*c05d8e5dSAndroid Build Coastguard Worker 42*c05d8e5dSAndroid Build Coastguard Worker At some point in the future these three symbols will become 43*c05d8e5dSAndroid Build Coastguard Worker C++11 atomic variables: 44*c05d8e5dSAndroid Build Coastguard Worker 45*c05d8e5dSAndroid Build Coastguard Worker extern std::atomic<std::terminate_handler> __cxa_terminate_handler; 46*c05d8e5dSAndroid Build Coastguard Worker extern std::atomic<std::unexpected_handler> __cxa_unexpected_handler; 47*c05d8e5dSAndroid Build Coastguard Worker extern std::atomic<std::new_handler> __cxa_new_handler; 48*c05d8e5dSAndroid Build Coastguard Worker 49*c05d8e5dSAndroid Build Coastguard Worker This change will not impact their ABI. But it will allow for a 50*c05d8e5dSAndroid Build Coastguard Worker portable performance optimization. 51*c05d8e5dSAndroid Build Coastguard Worker 52*c05d8e5dSAndroid Build Coastguard Worker */ 53*c05d8e5dSAndroid Build Coastguard Worker 54*c05d8e5dSAndroid Build Coastguard Worker } // extern "C" 55*c05d8e5dSAndroid Build Coastguard Worker 56*c05d8e5dSAndroid Build Coastguard Worker #endif // _CXA_HANDLERS_H 57