D3716: ui: add an uninterruptable context manager that can block SIGINT

[mharbison72 (Matt Harbison)]

mharbison72 added a comment.


  In https://phab.mercurial-scm.org/D3716#61963, @durin42 wrote:
  
  > >   Do we need a different strategy for Windows, or just eat the error?  (See the unsupported signal message)
  > >    
  > >   https://buildbot.mercurial-scm.org/builders/Win7%20x86_64%20hg%20tests/builds/808/steps/run-tests.py%20%28python%202.7.13%29/logs/stdio
  >
  > I'm not sure. We could probably just not support this on windows for now, or at least disable the test on Windows?
  
  
  I’m ok with disabling the test as long as it doesn’t explode on Windows without turning the experimental knobs.  It sounded like future would would depend on this, and I wasn’t sure if that landed yet.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3716

To: durin42, #hg-reviewers, indygreg
Cc: mharbison72, spectral, indygreg, yuja, martinvonz, mercurial-devel