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std::breakpoint(3) C++ Standard Libary std::breakpoint(3) NAME std::breakpoint - std::breakpoint Synopsis Defined in header <debugging> void breakpoint() noexcept; (since C++26) Unconditional breakpoint: attempts to temporarily halt the execution of the program and transfer control to the debugger whether or not it's not possi- ble to determine if the debugger is present. Formally, the behavior of this function is completely implementa- tion-defined. Notes The intent of this function is allowing for runtime control of breakpoints beyond what might be available from a debugger while not causing the pro- gram to exit. For example, breaking when an infrequent non-critical condition is de- tected, allowing programmatic control with complex runtime sensitive conditions, breaking on user input to inspect context in interactive programs without needing to switch to the debugger application, etc. This function standardizes many similar existing facilities: __builtin_debugtrap from LLVM, __debugbreak from Win32 API, debugger_break from boost.test, assert(false), _asm { int 3 } (MSVC) and asm("int3") (GCC/clang) for x86 targets, etc. Feature-test macro Value Std Feature __cpp_lib_debugging 202311L (C++26) Debugging support library 202403L (C++26) Replaceable std::is_debug- ger_present Example This section is incomplete Reason: no example See also is_debugger_present checks whether a program is running under the control of a (C++26) debugger (function) breakpoint_if_debugging calls std::breakpoint if std::is_debug- ger_present returns (C++26) true (function) External links 1. armKEIL: __breakpoint intrinsic 2. Portable Snippets: Debugging assertions and traps 3. EASTL: EASTL_DEBUG_BREAK 4. Catch2: CATCH_TRAP and CATCH_BREAK_INTO_DEBUGGER 5. Unreal Engine: DebugBreak 6. JUCE: JUCE_BREAK_IN_DEBUGGER 7. Dear ImGui: IM_DEBUG_BREAK 8. AWS C Common: aws_debug_break Category: * Todo no example http://cppreference.com 2024.06.10 std::breakpoint(3)
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