p - 非空std::exception_ptr 异常若不创建副本,则为 p 所引用的异常对象。 否则,若实现成功复制异常对象,则为这种异常对象的副本。 否则,若分配或复制失败,则分别为 std::bad_alloc 或复制异常对象时抛出的异常。 注解在P1675R2 前,rethrow_exception 未被允许复制异常对象,这在一些异常对象分配在栈上的...
EN我有一个用nullptr作为参数调用rethrow_exception的代码片段。文档说参数应该是非空的,但是我想知道,...
std::current_exception std::rethrow_exception std::make_exception_ptr std::unexpected std::uncaught_exception, std::uncaught_exceptions assert errno std::nested_exception std::throw_with_nested std::rethrow_if_nested std::terminate_handler std::get_terminate std::set_terminate std::bad_exception...
第二步放到B线程,就能解决std::thread 潜在的两次拷贝和对象(Windows的窗口对象等)绑定到线程问题,就...
lsan.test_exceptions_primary_wasm and lsan.test_exceptions_multiple_inherit_rethrow_wasm currently fail with a memory leak. Sadly we don't run these tests on the emscripten-releases waterfall since we only have node 16 here and therefore...
nested_exception::nested_ptr [[noreturn]]voidrethrow_nested()const; (since C++11) Rethrows the stored exception. If there is no stored exceptions (i.e.nested_ptr()returns null pointer), thenstd::terminateis called. Parameters (none)
#include <iostream> #include <string> #include <exception> #include <stdexcept> void handle_eptr(std::exception_ptr eptr) // 按值传递 ok { try { if (eptr) { std::rethrow_exception(eptr); } } catch(const std::exception& e) { std::cout << "Caught exception \"" << e.what() ...
p - non-null std::exception_ptr Return value(none) ExampleRun this code #include <iostream> #include <string> #include <exception> #include <stdexcept> void handle_eptr(std::exception_ptr eptr) // passing by value is ok { try { if (eptr) { std::rethrow_exception(eptr); } } catch...
[Bug sanitizer/110835] [13/14/15 Regression] -fsanitize=address causes huge runtime slowdown from std::rethrow_exception not called jakub at gcc dot gnu.org via Gcc-bugs Tue, 21 May 2024 02:28:05 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110835 Jakub Jelinek <jakub at gcc...
#include <exception>#include <iostream>#include <stdexcept>#include <string>voidhandle_eptr(std::exception_ptreptr)// passing by value is OK{try{if(eptr)std::rethrow_exception(eptr);}catch(conststd::exception&e){std::cout<<"Caught exception: '"<<e.what()<<"'\n";}}intmain(){std:...