Function sendfile_sync_signal

freebsd/kern/kern_sendfile.c:122–137

}

static void
sendfile_sync_signal(struct sendfile_sync *sfs)
{
	mtx_lock(&sfs->mtx);
	KASSERT(sfs->count > 0, ("sendfile sync %p not busy", sfs));
	if (--sfs->count == 0) {
		if (!sfs->waiting) {
			/* The sendfile() waiter was interrupted by a signal. */
			sendfile_sync_destroy(sfs);
			return;
		} else {
			cv_signal(&sfs->cv);
		}
	}
	mtx_unlock(&sfs->mtx);
}

counter_u64_t sfstat[sizeof(struct sfstat) / sizeof(uint64_t)];