This doesn't make things any worse, but a better solution would be to
figure out why cmake has not detected ppoll(2) support, as lldb on
linux is useless without the signal polling stuff. If your system does
have ppoll, but we're not detecting it, we will have to fix detection
code. On the off chance that you don't have one (it was introduced
ages ago, so I would be surprised by that, but I guess it's still
possible), then we can fall back to using pselect(2).
On 3 May 2017 at 00:13, Robinson, Paul via lldb-commits
<lldb-commits@lists.llvm.org> wrote:
> Recently I started seeing a build error from a tree that has lldb in it;
> I don't know whether the problem is my configuration, or Ubuntu, or gcc,
> or what, but gcc complains that it can't convert 'int' to 'sigset_t' on
> the return statement.
>
> This naïve one-liner fixes it, although I don't know anything about
> signal stuff. Didn't seem worth cranking up a Phab review for this...
> --paulr
>
> Index: source/Host/common/MainLoop.cpp
> ===================================================================
> --- source/Host/common/MainLoop.cpp (revision 301939)
> +++ source/Host/common/MainLoop.cpp (working copy)
> @@ -155,7 +155,7 @@
>
> sigset_t MainLoop::RunImpl::get_sigmask() {
> #if SIGNAL_POLLING_UNSUPPORTED
> - return 0;
> + return sigset_t();
> #else
> sigset_t sigmask;
> int ret = pthread_sigmask(SIG_SETMASK, nullptr, &sigmask);
>
>
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