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xwayland: add -core to flags
Xwayland has its own special handling for signals like SIGSEGV/SIGABRT. Instead of leaving the job to the OS, it tries to walk up the call stack (badly, because a lot of information is missing), print the stack trace to stdout, then exit(1). This is very annoying because it prevents Xwayland crashes from being easily debugged. Xwayland has a flag "-core" that aborts instead of exiting. This allows the OS to generate a coredump. It's far from perfect but better than nothing, I guess.
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1 changed files with 2 additions and 2 deletions
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@ -61,7 +61,7 @@ noreturn static void exec_xwayland(struct wlr_xwayland_server *server) {
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char *argv[] = {
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"Xwayland", NULL /* display, e.g. :1 */,
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"-rootless", "-terminate",
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"-rootless", "-terminate", "-core",
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"-listen", NULL /* x_fd[0] */,
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"-listen", NULL /* x_fd[1] */,
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"-wm", NULL /* wm_fd[1] */,
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@ -89,7 +89,7 @@ noreturn static void exec_xwayland(struct wlr_xwayland_server *server) {
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snprintf(wayland_socket_str, sizeof(wayland_socket_str), "%d", server->wl_fd[1]);
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setenv("WAYLAND_SOCKET", wayland_socket_str, true);
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wlr_log(WLR_INFO, "WAYLAND_SOCKET=%d Xwayland :%d -rootless -terminate -listen %d -listen %d -wm %d",
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wlr_log(WLR_INFO, "WAYLAND_SOCKET=%d Xwayland :%d -rootless -terminate -core -listen %d -listen %d -wm %d",
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server->wl_fd[1], server->display, server->x_fd[0],
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server->x_fd[1], server->wm_fd[1]);
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