On Monday 05 August 2024 17:23:24 LIU Hao wrote: > 在 2024-08-05 01:18, Pali Rohár 写道: > > "Do not declare this callback function with a void return type and cast > > the function pointer to LPTHREAD_START_ROUTINE when creating the thread. > > Code that does this is common, but it can crash on 64-bit Windows." > > That probably applies exclusively to Itanium, where each register has a > Not-a-Thing (NaT) bit. If a program reads a value from a register whose NaT > bit is set (probably due to speculative execution) then a fault occurs. > Returning zero ensures the result register is not Not-a-Thing.
Thanks for info. Nice thing to know. > > > What about this change? I'm really not sure what this profthr_func() > > should return. It looks like that its return value is ignored at all. > > The change looks good. Ok, would you apply it? Or do you need from my some other steps? _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
