qemu/linux-user/syscall.c

765 safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
769 safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz,
3271 static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
3280     if (msgp->msg_name) {
3281         msg.msg_namelen = tswap32(msgp->msg_namelen);
3284                                       tswapal(msgp->msg_name),
3300     msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3304     msg.msg_flags = tswap32(msgp->msg_flags);
3306     count = tswapal(msgp->msg_iovlen);
3307     target_vec = tswapal(msgp->msg_iov);
3343             ret = target_to_host_cmsg(&msg, msgp);
3357                 ret = host_to_target_cmsg(msgp, &msg);
3360                 msgp->msg_namelen = tswap32(msg.msg_namelen);
3361                 msgp->msg_flags = tswap32(msg.msg_flags);
3363                     ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
3387     struct target_msghdr *msgp;
3390                           msgp,
3395     ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
3396     unlock_user_struct(msgp, target_msg, send ? 0 : 1);
4295 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
4306     if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
4310         unlock_user_struct(target_mb, msgp, 0);
4331     unlock_user_struct(target_mb, msgp, 0);
4350 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
4363     if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
4383         abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
4397         unlock_user_struct(target_mb, msgp, 1);
4591                     abi_long msgp;
4600                 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);