Differential D16561 Diff 46355 sys/compat/cloudabi/cloudabi_sock.c

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Show First 20 Lines • Show All 114 Lines • ▼ Show 20 Lines	for (chdr = CMSG_FIRSTHDR(&hdr); chdr != NULL;
if (chdr->cmsg_level == SOL_SOCKET &&		if (chdr->cmsg_level == SOL_SOCKET &&
chdr->cmsg_type == SCM_RIGHTS) {		chdr->cmsg_type == SCM_RIGHTS) {
size_t nfds;		size_t nfds;

nfds = (chdr->cmsg_len - CMSG_LEN(0)) /		nfds = (chdr->cmsg_len - CMSG_LEN(0)) /
sizeof(int);		sizeof(int);
if (nfds > fdslen) {		if (nfds > fdslen) {
/* Unable to store file descriptors. */		/* Unable to store file descriptors. */
nfds = fdslen;
*rflags \|=		*rflags \|=
CLOUDABI_SOCK_RECV_FDS_TRUNCATED;		CLOUDABI_SOCK_RECV_FDS_TRUNCATED;
		m_dispose_extcontrolm(control);
		break;
}		}
error = copyout(CMSG_DATA(chdr), fds,		error = copyout(CMSG_DATA(chdr), fds,
nfds * sizeof(int));		nfds * sizeof(int));
if (error != 0) {		if (error != 0) {
m_free(control);		m_free(control);
return (error);		return (error);
}		}
fds += nfds;		fds += nfds;
fdslen -= nfds;		fdslen -= nfds;
*rfdslen += nfds;		*rfdslen += nfds;
}		}
}		}
		if (control != NULL) {
		if (error != 0)
		m_dispose_extcontrolm(control);
m_free(control);		m_free(control);
}		}
return (0);		}
		return (error);
}		}

int		int
cloudabi_sock_send(struct thread td, cloudabi_fd_t fd, struct iovec data,		cloudabi_sock_send(struct thread td, cloudabi_fd_t fd, struct iovec data,
size_t datalen, const cloudabi_fd_t fds, size_t fdslen, size_t rdatalen)		size_t datalen, const cloudabi_fd_t fds, size_t fdslen, size_t rdatalen)
{		{
struct msghdr hdr = {		struct msghdr hdr = {
.msg_iov = data,		.msg_iov = data,
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