> From: Keith Marshall <keith****@users*****> > Date: Tue, 12 Mar 2019 09:37:10 +0000 > > On 12/03/19 03:35, Eli Zaretskii wrote: > > Does anyone know what is the status of std::thread support in MinGW > > libstdc++? Is it workable? > > I believe that the official line, from upstream GCC, is that it is > unsupported, but you'll really need to confirm that with them. That's what I thought, thanks. Does anyone know what happens if a program is compiled that uses this class? Will it fail to compile, or abort at run time, or something else? > > I'm asking because GDB developers are considering using that for > > speeding up some symbol-table reading operations, and I've heard in > > the past that std::thread doesn't work in MinGW. > > My understanding is that it will not work with the windows thread model, > (which is what current MinGW-GCC is built to deploy. It may be possible > to get it to work, if the compiler is built for the POSIX thread model, > but we don't do that ATM, and I'm not certain if it would be reliable if > we were to change that policy. I'm told that that Jonathan Wakely once wrote a port for Win32 API, but couldn't find anyone to help him test it. Maybe there's a way to find the patches and incorporate them into the MinGW GCC build?
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