void mail_cache_expunge_count(struct mail_cache *cache, unsigned int count)
{
if (mail_cache_lock(cache) > 0) {
cache->hdr_copy.deleted_record_count += count;
if (cache->hdr_copy.record_count >= count)
cache->hdr_copy.record_count -= count;
else
cache->hdr_copy.record_count = 0;
cache->hdr_modified = TRUE;
(void)mail_cache_unlock(cache);
}
}
static int mail_cache_handler_lock(struct mail_cache_sync_context *ctx,
struct mail_cache *cache)
{
int ret;
if (ctx->locked)
return MAIL_CACHE_IS_UNUSABLE(cache) ? 0 : 1;
if (ctx->lock_failed)
return 0;
if (!ctx->locked) {
if ((ret = mail_cache_lock(cache, TRUE)) <= 0) {
ctx->lock_failed = TRUE;
return ret;
}
ctx->locked = TRUE;
}
return 1;
}