pipewire: module-x11-bell: mark connection as terminatable

Since XFixes version 6[1] it is possible to mark
an X connection as terminatable. The X server will
gracefully terminate after a timeout if only
terminatable connections remain.

[1]: https://gitlab.freedesktop.org/xorg/lib/libxfixes/-/merge_requests/1

meson.build

@@ -280,6 +280,9 @@ x11_dep = dependency('x11-xcb', required : get_option('x11'))
 summary({'X11 (x11-bell)': x11_dep.found()}, bool_yn: true,
   section: 'Misc dependencies')
 
+xfixes_dep = dependency('xfixes', required : get_option('x11-xfixes'), version: '>= 6')
+cdata.set('HAVE_XFIXES_6', xfixes_dep.found())
+
 canberra_dep = dependency('libcanberra', required : get_option('libcanberra'))
 summary({'libcanberra (x11-bell)': canberra_dep.found()}, bool_yn: true,
   section: 'Misc dependencies')

meson_options.txt

@@ -229,6 +229,10 @@ option('x11',
        description: 'Enable code that depends on X11',
        type: 'feature',
        value: 'auto')
+option('x11-xfixes',
+       description: 'Enable code that depends on XFixes',
+       type: 'feature',
+       value: 'auto')
 option('libcanberra',
        description: 'Enable code that depends on libcanberra',
        type: 'feature',

src/modules/meson.build

@@ -489,7 +489,7 @@ pipewire_module_x11_bell = shared_library('pipewire-module-x11-bell',
   install : true,
   install_dir : modules_install_dir,
   install_rpath: modules_install_dir,
-  dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep, x11_dep, canberra_dep],
+  dependencies : [mathlib, dl_lib, rt_lib, pipewire_dep, x11_dep, xfixes_dep, canberra_dep],
 )
 endif
 summary({'x11-bell': build_module_x11_bell}, bool_yn: true, section: 'Optional Modules')

src/modules/module-x11-bell.c

@@ -38,6 +38,10 @@
 #include <X11/Xlib-xcb.h>
 #include <X11/XKBlib.h>
 
+#ifdef HAVE_XFIXES_6
+#include <X11/extensions/Xfixes.h>
+#endif
+
 #include <canberra.h>
 
 #include <pipewire/pipewire.h>
@@ -190,6 +194,10 @@ static int x11_connect(struct impl *impl, const char *name)
 	XSetIOErrorExitHandler(impl->display, x11_io_error_exit_handler, impl);
 #endif
 
+#ifdef HAVE_XFIXES_6
+	XFixesSetClientDisconnectMode(impl->display, XFixesClientDisconnectFlagTerminate);
+#endif
+
 	major = XkbMajorVersion;
 	minor = XkbMinorVersion;