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Add hacky way to die when WindowServer dies

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We keep a dummy window around which will receive a close event that
exits once WindowServer dies :^)
This commit is contained in:
Oskari Alaranta
2026-04-15 18:18:24 +03:00
parent a497e4267f
commit 07f2b5dbb7
1 changed files with 32 additions and 12 deletions
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44
xbanan/main.cpp
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@@ -18,19 +18,20 @@
#include <netinet/in.h>
#endif
static const xRectangle s_screen_bounds =
static BAN::UniqPtr<LibGUI::Window> s_dummy_window =
[]() {
auto attributes = LibGUI::Window::default_attributes;
attributes.shown = false;
auto window = MUST(LibGUI::Window::create(0, 0, ""_sv, attributes));
return xRectangle {
.x = 0,
.y = 0,
.width = static_cast<CARD16>(window->width()),
.height = static_cast<CARD16>(window->height()),
};
return MUST(LibGUI::Window::create(0, 0, ""_sv, attributes));
}();
static const xRectangle s_screen_bounds = {
.x = 0,
.y = 0,
.width = static_cast<CARD16>(s_dummy_window->width()),
.height = static_cast<CARD16>(s_dummy_window->height()),
};
const xPixmapFormat g_formats[6] {
{
.depth = 1,
@@ -172,11 +173,24 @@ int main()
return 1;
}
epoll_event event { .events = EPOLLIN, .data = { .ptr = nullptr } };
if (epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, server_sock, &event) == -1)
{
perror("xbanan: epoll_ctl");
return 1;
epoll_event event { .events = EPOLLIN, .data = { .ptr = nullptr } };
if (epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, server_sock, &event) == -1)
{
perror("xbanan: epoll_ctl");
return 1;
}
}
{
epoll_event event { .events = EPOLLIN, .data = { .ptr = (void*)1 } };
if (epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, s_dummy_window->server_fd(), &event) == -1)
{
perror("xbanan: epoll_ctl");
return 1;
}
s_dummy_window->request_resize(1, 1);
}
#define APPEND_ATOM(name) do { \
@@ -397,6 +411,12 @@ int main()
continue;
}
if (events[i].data.ptr == (void*)1)
{
s_dummy_window->poll_events();
continue;
}
auto it = g_epoll_thingies.find(events[i].data.fd);
if (it == g_epoll_thingies.end())
continue;