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head/sys/compat/cloudabi/cloudabi_sock.c
| 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); | break; | ||||
| 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, | ||||
| Show All 35 Lines | |||||