dwm/patch/ipc.c

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static int epoll_fd;
static int dpy_fd;
static Monitor *lastselmon;
int
handlexevent(struct epoll_event *ev)
{
if (ev->events & EPOLLIN) {
XEvent ev;
while (running && XPending(dpy)) {
XNextEvent(dpy, &ev);
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#if XKB_PATCH
/* Unfortunately the xkbEventType is not constant hence it can't be part of the
* normal event handler below */
if (ev.type == xkbEventType) {
xkbeventnotify(&ev);
continue;
}
#endif // XKB_PATCH
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if (handler[ev.type]) {
handler[ev.type](&ev); /* call handler */
ipc_send_events(mons, &lastselmon, selmon);
}
}
} else if (ev-> events & EPOLLHUP)
return -1;
return 0;
}
void
setlayoutsafe(const Arg *arg)
{
const Layout *ltptr = (Layout *)arg->v;
if (ltptr == 0)
setlayout(arg);
for (int i = 0; i < LENGTH(layouts); i++) {
if (ltptr == &layouts[i])
setlayout(arg);
}
}
void
setupepoll(void)
{
epoll_fd = epoll_create1(0);
dpy_fd = ConnectionNumber(dpy);
struct epoll_event dpy_event;
// Initialize struct to 0
memset(&dpy_event, 0, sizeof(dpy_event));
DEBUG("Display socket is fd %d\n", dpy_fd);
if (epoll_fd == -1)
fputs("Failed to create epoll file descriptor", stderr);
dpy_event.events = EPOLLIN;
dpy_event.data.fd = dpy_fd;
if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, dpy_fd, &dpy_event)) {
fputs("Failed to add display file descriptor to epoll", stderr);
close(epoll_fd);
exit(1);
}
if (ipc_init(ipcsockpath, epoll_fd, ipccommands, LENGTH(ipccommands)) < 0)
fputs("Failed to initialize IPC\n", stderr);
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}
void
setstatus(const Arg *arg)
{
Monitor *m;
#if BAR_EXTRASTATUS_PATCH
if (arg->v == NULL) {
strcpy(stext, "dwm-"VERSION);
estext[0] = '\0';
} else {
strcpy(rawstext, arg->v);
char *e = strchr(rawstext, statussep);
if (e) {
*e = '\0'; e++;
#if BAR_STATUSCMD_PATCH
strncpy(rawestext, e, sizeof(estext) - 1);
copyvalidchars(estext, rawestext);
#else
strncpy(estext, e, sizeof(estext) - 1);
#endif // BAR_STATUSCMD_PATCH
} else {
estext[0] = '\0';
}
#if BAR_STATUSCMD_PATCH
copyvalidchars(stext, rawstext);
#else
strncpy(stext, rawstext, sizeof(stext) - 1);
#endif // BAR_STATUSCMD_PATCH
}
#elif BAR_STATUSCMD_PATCH
if (!gettextprop(root, XA_WM_NAME, rawstext, sizeof(rawstext)))
strcpy(stext, "dwm-"VERSION);
else
copyvalidchars(stext, rawstext);
#else
if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
strcpy(stext, "dwm-"VERSION);
#endif // BAR_EXTRASTATUS_PATCH | BAR_STATUSCMD_PATCH
for (m = mons; m; m = m->next)
drawbar(m);
}