diff options
| -rw-r--r-- | client.h | 26 | ||||
| -rw-r--r-- | dwl.c | 2 |
2 files changed, 27 insertions, 1 deletions
@@ -256,6 +256,32 @@ client_is_rendered_on_mon(Client *c, Monitor *m) } static inline int +client_is_stopped(Client *c) +{ + int pid; + siginfo_t in = {0}; +#ifdef XWAYLAND + if (client_is_x11(c)) + return 0; +#endif + + wl_client_get_credentials(c->surface.xdg->client->client, &pid, NULL, NULL); + if (waitid(P_PID, pid, &in, WNOHANG|WCONTINUED|WSTOPPED|WNOWAIT) < 0) { + /* This process is not our child process, while is very unluckely that + * it is stopped, in order to do not skip frames assume that it is. */ + if (errno == ECHILD) + return 1; + } else if (in.si_pid) { + if (in.si_code == CLD_STOPPED || in.si_code == CLD_TRAPPED) + return 1; + if (in.si_code == CLD_CONTINUED) + return 0; + } + + return 0; +} + +static inline int client_is_unmanaged(Client *c) { #ifdef XWAYLAND @@ -1836,7 +1836,7 @@ rendermon(struct wl_listener *listener, void *data) /* Render if no XDG clients have an outstanding resize and are visible on * this monitor. */ wl_list_for_each(c, &clients, link) - if (client_is_rendered_on_mon(c, m) && (!c->isfloating && c->resize)) + if (client_is_rendered_on_mon(c, m) && (!c->isfloating && c->resize) && !client_is_stopped(c)) goto skip; if (!wlr_scene_output_commit(m->scene_output)) return; |