bool PendingCollectionBase::add(
struct watchman_dir* dir,
const char* name,
struct timeval now,
int flags) {
return add(w_dir_path_cat_str(dir, name), now, flags);
}
static bool kqueue_root_start_watch_file(
w_root_t *root, struct watchman_file *file) {
struct kqueue_root_state *state = root->watch;
struct kevent k;
w_ht_val_t fdval;
int fd;
w_string_t *full_name;
full_name = w_dir_path_cat_str(file->parent, w_file_get_name(file));
pthread_mutex_lock(&state->lock);
if (w_ht_lookup(state->name_to_fd, w_ht_ptr_val(full_name), &fdval, false)) {
// Already watching it
pthread_mutex_unlock(&state->lock);
w_string_delref(full_name);
return true;
}
pthread_mutex_unlock(&state->lock);
w_log(W_LOG_DBG, "watch_file(%s)\n", full_name->buf);
fd = open(full_name->buf, O_EVTONLY|O_CLOEXEC);
if (fd == -1) {
w_log(W_LOG_ERR, "failed to open %s O_EVTONLY: %s\n",
full_name->buf, strerror(errno));
w_string_delref(full_name);
return false;
}
memset(&k, 0, sizeof(k));
EV_SET(&k, fd, EVFILT_VNODE, EV_ADD|EV_CLEAR,
NOTE_WRITE|NOTE_DELETE|NOTE_EXTEND|NOTE_RENAME|NOTE_ATTRIB,
0, full_name);
pthread_mutex_lock(&state->lock);
w_ht_replace(state->name_to_fd, w_ht_ptr_val(full_name), fd);
w_ht_replace(state->fd_to_name, fd, w_ht_ptr_val(full_name));
pthread_mutex_unlock(&state->lock);
if (kevent(state->kq_fd, &k, 1, NULL, 0, 0)) {
w_log(W_LOG_DBG, "kevent EV_ADD file %s failed: %s",
full_name->buf, strerror(errno));
close(fd);
pthread_mutex_lock(&state->lock);
w_ht_del(state->name_to_fd, w_ht_ptr_val(full_name));
w_ht_del(state->fd_to_name, fd);
pthread_mutex_unlock(&state->lock);
} else {
w_log(W_LOG_DBG, "kevent file %s -> %d\n", full_name->buf, fd);
}
w_string_delref(full_name);
return true;
}