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[client] clipboard: add direct LGMP synchronization

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This commit is contained in:
Geoffrey McRae
2026-08-14 06:27:12 +10:00
parent b786167f72
commit be2f79a412
21 changed files with 5228 additions and 350 deletions
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55
client/displayservers/Wayland/poll.c
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@@ -133,16 +133,18 @@ bool waylandPollRegisterWithCleanup(int fd, WaylandPollCallback callback,
return false;
node->fd = fd;
node->events = events;
node->callback = callback;
node->cleanup = cleanup;
node->opaque = opaque;
atomic_init(&node->removed, false);
LG_LOCK(wlWm.pollLock);
if (epoll_ctl(wlWm.epollFd, EPOLL_CTL_ADD, fd, &(struct epoll_event) {
.events = events,
.data = (epoll_data_t) { .ptr = node },
}) < 0)
if (events && epoll_ctl(wlWm.epollFd, EPOLL_CTL_ADD, fd,
&(struct epoll_event) {
.events = events,
.data = (epoll_data_t) { .ptr = node },
}) < 0)
{
LG_UNLOCK(wlWm.pollLock);
free(node);
@@ -184,7 +186,8 @@ bool waylandPollUnregister(int fd)
return false;
}
if (epoll_ctl(wlWm.epollFd, EPOLL_CTL_DEL, fd, NULL) < 0)
if (node->events &&
epoll_ctl(wlWm.epollFd, EPOLL_CTL_DEL, fd, NULL) < 0)
{
LG_UNLOCK(wlWm.pollLock);
DEBUG_ERROR("Failed to unregister from epoll: %s", strerror(errno));
@@ -199,3 +202,45 @@ bool waylandPollUnregister(int fd)
});
return true;
}
bool waylandPollUpdate(int fd, uint32_t events)
{
bool result = false;
LG_LOCK(wlWm.pollLock);
struct WaylandPoll * node;
wl_list_for_each(node, &wlWm.poll, link)
{
if (node->fd != fd)
continue;
int operation;
if (!node->events && events)
operation = EPOLL_CTL_ADD;
else if (node->events && !events)
operation = EPOLL_CTL_DEL;
else if (events)
operation = EPOLL_CTL_MOD;
else
{
result = true;
break;
}
struct epoll_event event =
{
.events = events,
.data = (epoll_data_t) { .ptr = node },
};
if (epoll_ctl(wlWm.epollFd, operation, fd,
operation == EPOLL_CTL_DEL ? NULL : &event) < 0)
DEBUG_ERROR("Failed to update epoll events: %s", strerror(errno));
else
{
node->events = events;
result = true;
}
break;
}
LG_UNLOCK(wlWm.pollLock);
return result;
}