Function ktrgenio

freebsd/kern/kern_ktrace.c:682–715

}

void
ktrgenio(int fd, enum uio_rw rw, struct uio *uio, int error)
{
	struct ktr_request *req;
	struct ktr_genio *ktg;
	int datalen;
	char *buf;

	if (error) {
		free(uio, M_IOV);
		return;
	}
	uio->uio_offset = 0;
	uio->uio_rw = UIO_WRITE;
	datalen = MIN(uio->uio_resid, ktr_geniosize);
	buf = malloc(datalen, M_KTRACE, M_WAITOK);
	error = uiomove(buf, datalen, uio);
	free(uio, M_IOV);
	if (error) {
		free(buf, M_KTRACE);
		return;
	}
	req = ktr_getrequest(KTR_GENIO);
	if (req == NULL) {
		free(buf, M_KTRACE);
		return;
	}
	ktg = &req->ktr_data.ktr_genio;
	ktg->ktr_fd = fd;
	ktg->ktr_rw = rw;
	req->ktr_header.ktr_len = datalen;
	req->ktr_buffer = buf;
	ktr_submitrequest(curthread, req);
}

void
ktrpsig(int sig, sig_t action, sigset_t *mask, int code)