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x11: gracefully handle X11 connection error

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Perform X11 connection recovery via XSetIOErrorExitHandler mechanism.

Implementation is largely inspired by this change to GNOME/mutter
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1447

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/441>
This commit is contained in:
Igor V. Kovalenko 2020-12-22 20:54:40 +03:00 • committed by PulseAudio Marge Bot
parent 28f646fd87
commit b6396dbe9c
8 changed files with 81 additions and 6 deletions
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4
meson.build
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@ -650,6 +650,9 @@ if x11_dep.found()
sm_dep = dependency('sm', required : true)
xtst_dep = dependency('xtst', required : true)
cdata.set('HAVE_X11', 1)
if cc.has_function('XSetIOErrorExitHandler', dependencies: x11_dep)
cdata.set('HAVE_XSETIOERROREXITHANDLER', 1)
endif
endif
# Module dependencies
@ -847,6 +850,7 @@ summary = [
'',
'Enable memfd shared memory: @0@'.format(cdata.has('HAVE_MEMFD')),
'Enable X11: @0@'.format(x11_dep.found()),
' Safe X11 I/O errors: @0@'.format(cdata.has('HAVE_XSETIOERROREXITHANDLER')),
'Enable OSS Output: @0@'.format(cdata.has('HAVE_OSS_OUTPUT')),
'Enable OSS Wrapper: @0@'.format(cdata.has('HAVE_OSS_WRAPPER')),
# 'Enable EsounD: @0@'.format(${ENABLE_ESOUND}),