Viewing file:  forced3.C (1.31 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
// HP-UX libunwind.so doesn't provide _UA_END_OF_STACK.
// { dg-do run { xfail "ia64-hp-hpux11.*" } }
// { dg-require-effective-target c++14_down }
// Test that forced unwinding calls std::unexpected going
// through a nothrow function.
#include <unwind.h>
#include <stdlib.h>
#include <exception>
#include <string.h>
static _Unwind_Reason_Code
force_unwind_stop (int version, _Unwind_Action actions,
_Unwind_Exception_Class exc_class,
struct _Unwind_Exception *exc_obj,
struct _Unwind_Context *context,
void *stop_parameter)
{
if (actions & _UA_END_OF_STACK)
abort ();
return _URC_NO_REASON;
}
static void __attribute__((noreturn))
force_unwind ()
{
_Unwind_Exception *exc = new _Unwind_Exception;
// exception_class might not be a scalar.
memset (&exc->exception_class, 0, sizeof (exc->exception_class));
exc->exception_cleanup = 0;
#ifndef __USING_SJLJ_EXCEPTIONS__
_Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
#else
_Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
#endif
abort ();
}
static void
handle_unexpected ()
{
exit (0);
}
static void
doit () throw()
{
force_unwind ();
}
int main()
{
std::set_unexpected (handle_unexpected); // { dg-warning "deprecated" "" { target c++11 } }
doit ();
abort ();
}
|
