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delete wasi-common, yanix, winx

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This commit is contained in:
Pat Hickey
2021-01-28 15:12:38 -08:00
parent d628677fae
commit dd005208b6
95 changed files with 0 additions and 11947 deletions
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2
crates/wasi-common/src/snapshots/mod.rs
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@@ -1,2 +0,0 @@
pub mod wasi_snapshot_preview1;
pub mod wasi_unstable;

862
crates/wasi-common/src/snapshots/wasi_snapshot_preview1.rs
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@@ -1,862 +0,0 @@
use crate::entry::{Entry, EntryHandle};
use crate::handle::{AsBytes, HandleRights};
use crate::sys::{clock, poll};
use crate::wasi::types;
use crate::wasi::wasi_snapshot_preview1::WasiSnapshotPreview1;
use crate::{path, sched, Error, Result, WasiCtx};
use std::cmp::min;
use std::convert::TryInto;
use std::io::{self, SeekFrom};
use std::ops::Deref;
use tracing::{debug, trace};
use wiggle::{GuestPtr, GuestSliceMut};
impl<'a> WasiSnapshotPreview1 for WasiCtx {
fn args_get<'b>(
&self,
argv: &GuestPtr<'b, GuestPtr<'b, u8>>,
argv_buf: &GuestPtr<'b, u8>,
) -> Result<()> {
self.args.write_to_guest(argv_buf, argv)
}
fn args_sizes_get(&self) -> Result<(types::Size, types::Size)> {
Ok((self.args.number_elements, self.args.cumulative_size))
}
fn environ_get<'b>(
&self,
environ: &GuestPtr<'b, GuestPtr<'b, u8>>,
environ_buf: &GuestPtr<'b, u8>,
) -> Result<()> {
self.env.write_to_guest(environ_buf, environ)
}
fn environ_sizes_get(&self) -> Result<(types::Size, types::Size)> {
Ok((self.env.number_elements, self.env.cumulative_size))
}
fn clock_res_get(&self, id: types::Clockid) -> Result<types::Timestamp> {
let resolution = clock::res_get(id)?;
Ok(resolution)
}
fn clock_time_get(
&self,
id: types::Clockid,
_precision: types::Timestamp,
) -> Result<types::Timestamp> {
let time = clock::time_get(id)?;
Ok(time)
}
fn fd_advise(
&self,
fd: types::Fd,
offset: types::Filesize,
len: types::Filesize,
advice: types::Advice,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_ADVISE);
let entry = self.get_entry(fd)?;
entry
.as_handle(required_rights)?
.advise(advice, offset, len)
}
fn fd_allocate(
&self,
fd: types::Fd,
offset: types::Filesize,
len: types::Filesize,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_ALLOCATE);
let entry = self.get_entry(fd)?;
entry.as_handle(required_rights)?.allocate(offset, len)
}
fn fd_close(&self, fd: types::Fd) -> Result<()> {
if let Ok(fe) = self.get_entry(fd) {
// can't close preopened files
if fe.preopen_path.is_some() {
return Err(Error::Notsup);
}
}
let _ = self.remove_entry(fd)?;
Ok(())
}
fn fd_datasync(&self, fd: types::Fd) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_DATASYNC);
let entry = self.get_entry(fd)?;
entry.as_handle(required_rights)?.datasync()
}
fn fd_fdstat_get(&self, fd: types::Fd) -> Result<types::Fdstat> {
let entry = self.get_entry(fd)?;
let file = entry.as_handle(HandleRights::empty())?;
let fs_flags = file.fdstat_get()?;
let rights = entry.get_rights();
let fdstat = types::Fdstat {
fs_filetype: entry.get_file_type(),
fs_rights_base: rights.base,
fs_rights_inheriting: rights.inheriting,
fs_flags,
};
Ok(fdstat)
}
fn fd_fdstat_set_flags(&self, fd: types::Fd, flags: types::Fdflags) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_FDSTAT_SET_FLAGS);
let entry = self.get_entry(fd)?;
entry.as_handle(required_rights)?.fdstat_set_flags(flags)
}
fn fd_fdstat_set_rights(
&self,
fd: types::Fd,
fs_rights_base: types::Rights,
fs_rights_inheriting: types::Rights,
) -> Result<()> {
let rights = HandleRights::new(fs_rights_base, fs_rights_inheriting);
let entry = self.get_entry(fd)?;
if !entry.get_rights().contains(rights) {
return Err(Error::Notcapable);
}
entry.set_rights(rights);
Ok(())
}
fn fd_filestat_get(&self, fd: types::Fd) -> Result<types::Filestat> {
let required_rights = HandleRights::from_base(types::Rights::FD_FILESTAT_GET);
let entry = self.get_entry(fd)?;
let host_filestat = entry.as_handle(required_rights)?.filestat_get()?;
Ok(host_filestat)
}
fn fd_filestat_set_size(&self, fd: types::Fd, size: types::Filesize) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_FILESTAT_SET_SIZE);
let entry = self.get_entry(fd)?;
entry.as_handle(required_rights)?.filestat_set_size(size)
}
fn fd_filestat_set_times(
&self,
fd: types::Fd,
atim: types::Timestamp,
mtim: types::Timestamp,
fst_flags: types::Fstflags,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_FILESTAT_SET_TIMES);
let entry = self.get_entry(fd)?;
entry
.as_handle(required_rights)?
.filestat_set_times(atim, mtim, fst_flags)
}
fn fd_pread(
&self,
fd: types::Fd,
iovs: &types::IovecArray<'_>,
offset: types::Filesize,
) -> Result<types::Size> {
let mut guest_slices: Vec<GuestSliceMut<'_, u8>> = Vec::new();
for iov_ptr in iovs.iter() {
let iov_ptr = iov_ptr?;
let iov: types::Iovec = iov_ptr.read()?;
guest_slices.push(iov.buf.as_array(iov.buf_len).as_slice_mut()?);
}
let required_rights =
HandleRights::from_base(types::Rights::FD_READ | types::Rights::FD_SEEK);
let entry = self.get_entry(fd)?;
if offset > i64::max_value() as u64 {
return Err(Error::Io);
}
let host_nread = {
let mut buf = guest_slices
.iter_mut()
.map(|s| io::IoSliceMut::new(&mut *s))
.collect::<Vec<io::IoSliceMut<'_>>>();
entry
.as_handle(required_rights)?
.preadv(&mut buf, offset)?
.try_into()?
};
Ok(host_nread)
}
fn fd_prestat_get(&self, fd: types::Fd) -> Result<types::Prestat> {
// TODO: should we validate any rights here?
let entry = self.get_entry(fd)?;
let po_path = entry.preopen_path.as_ref().ok_or(Error::Notsup)?;
if entry.get_file_type() != types::Filetype::Directory {
return Err(Error::Notdir);
}
let path = path::from_host(po_path.as_os_str())?;
let prestat = types::PrestatDir {
pr_name_len: path.len().try_into()?,
};
Ok(types::Prestat::Dir(prestat))
}
fn fd_prestat_dir_name(
&self,
fd: types::Fd,
path: &GuestPtr<u8>,
path_len: types::Size,
) -> Result<()> {
// TODO: should we validate any rights here?
let entry = self.get_entry(fd)?;
let po_path = entry.preopen_path.as_ref().ok_or(Error::Notsup)?;
if entry.get_file_type() != types::Filetype::Directory {
return Err(Error::Notdir);
}
let host_path = path::from_host(po_path.as_os_str())?;
let host_path_len = host_path.len().try_into()?;
if host_path_len > path_len {
return Err(Error::Nametoolong);
}
trace!(" | path='{}'", host_path);
path.as_array(host_path_len)
.copy_from_slice(host_path.as_bytes())?;
Ok(())
}
fn fd_pwrite(
&self,
fd: types::Fd,
ciovs: &types::CiovecArray<'_>,
offset: types::Filesize,
) -> Result<types::Size> {
let mut guest_slices = Vec::new();
for ciov_ptr in ciovs.iter() {
let ciov_ptr = ciov_ptr?;
let ciov: types::Ciovec = ciov_ptr.read()?;
guest_slices.push(ciov.buf.as_array(ciov.buf_len).as_slice()?);
}
let required_rights =
HandleRights::from_base(types::Rights::FD_WRITE | types::Rights::FD_SEEK);
let entry = self.get_entry(fd)?;
if offset > i64::max_value() as u64 {
return Err(Error::Io);
}
let host_nwritten = {
let buf: Vec<io::IoSlice> =
guest_slices.iter().map(|s| io::IoSlice::new(&*s)).collect();
entry
.as_handle(required_rights)?
.pwritev(&buf, offset)?
.try_into()?
};
Ok(host_nwritten)
}
fn fd_read(&self, fd: types::Fd, iovs: &types::IovecArray<'_>) -> Result<types::Size> {
let mut guest_slices = Vec::new();
for iov_ptr in iovs.iter() {
let iov_ptr = iov_ptr?;
let iov: types::Iovec = iov_ptr.read()?;
guest_slices.push(iov.buf.as_array(iov.buf_len).as_slice_mut()?);
}
let required_rights = HandleRights::from_base(types::Rights::FD_READ);
let entry = self.get_entry(fd)?;
let host_nread = {
let mut slices: Vec<io::IoSliceMut> = guest_slices
.iter_mut()
.map(|s| io::IoSliceMut::new(&mut *s))
.collect();
entry
.as_handle(required_rights)?
.read_vectored(&mut slices)?
.try_into()?
};
Ok(host_nread)
}
fn fd_readdir(
&self,
fd: types::Fd,
buf: &GuestPtr<u8>,
buf_len: types::Size,
cookie: types::Dircookie,
) -> Result<types::Size> {
let required_rights = HandleRights::from_base(types::Rights::FD_READDIR);
let entry = self.get_entry(fd)?;
let mut bufused = 0;
let mut buf = buf.clone();
for pair in entry.as_handle(required_rights)?.readdir(cookie)? {
let (dirent, name) = pair?;
let dirent_raw = dirent.as_bytes()?;
let dirent_len: types::Size = dirent_raw.len().try_into()?;
let name_raw = name.as_bytes();
let name_len = name_raw.len().try_into()?;
let offset = dirent_len.checked_add(name_len).ok_or(Error::Overflow)?;
// Copy as many bytes of the dirent as we can, up to the end of the buffer.
let dirent_copy_len = min(dirent_len, buf_len - bufused);
buf.as_array(dirent_copy_len)
.copy_from_slice(&dirent_raw[..dirent_copy_len as usize])?;
// If the dirent struct wasn't copied entirely, return that we
// filled the buffer, which tells libc that we're not at EOF.
if dirent_copy_len < dirent_len {
return Ok(buf_len);
}
buf = buf.add(dirent_copy_len)?;
// Copy as many bytes of the name as we can, up to the end of the buffer.
let name_copy_len = min(name_len, buf_len - bufused);
buf.as_array(name_copy_len)
.copy_from_slice(&name_raw[..name_copy_len as usize])?;
// If the dirent struct wasn't copied entirely, return that we
// filled the buffer, which tells libc that we're not at EOF.
if name_copy_len < name_len {
return Ok(buf_len);
}
buf = buf.add(name_copy_len)?;
bufused += offset;
}
Ok(bufused)
}
fn fd_renumber(&self, from: types::Fd, to: types::Fd) -> Result<()> {
if !self.contains_entry(from) {
return Err(Error::Badf);
}
// Don't allow renumbering over a pre-opened resource.
// TODO: Eventually, we do want to permit this, once libpreopen in
// userspace is capable of removing entries from its tables as well.
if let Ok(from_fe) = self.get_entry(from) {
if from_fe.preopen_path.is_some() {
return Err(Error::Notsup);
}
}
if let Ok(to_fe) = self.get_entry(to) {
if to_fe.preopen_path.is_some() {
return Err(Error::Notsup);
}
}
let fe = self.remove_entry(from)?;
self.insert_entry_at(to, fe);
Ok(())
}
fn fd_seek(
&self,
fd: types::Fd,
offset: types::Filedelta,
whence: types::Whence,
) -> Result<types::Filesize> {
let base = if offset == 0 && whence == types::Whence::Cur {
types::Rights::FD_TELL
} else {
types::Rights::FD_SEEK | types::Rights::FD_TELL
};
let required_rights = HandleRights::from_base(base);
let entry = self.get_entry(fd)?;
let pos = match whence {
types::Whence::Cur => SeekFrom::Current(offset),
types::Whence::End => SeekFrom::End(offset),
types::Whence::Set => SeekFrom::Start(offset as u64),
};
let host_newoffset = entry.as_handle(required_rights)?.seek(pos)?;
Ok(host_newoffset)
}
fn fd_sync(&self, fd: types::Fd) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::FD_SYNC);
let entry = self.get_entry(fd)?;
entry.as_handle(required_rights)?.sync()
}
fn fd_tell(&self, fd: types::Fd) -> Result<types::Filesize> {
let required_rights = HandleRights::from_base(types::Rights::FD_TELL);
let entry = self.get_entry(fd)?;
let host_offset = entry
.as_handle(required_rights)?
.seek(SeekFrom::Current(0))?;
Ok(host_offset)
}
fn fd_write(&self, fd: types::Fd, ciovs: &types::CiovecArray<'_>) -> Result<types::Size> {
let mut guest_slices = Vec::new();
for ciov_ptr in ciovs.iter() {
let ciov_ptr = ciov_ptr?;
let ciov: types::Ciovec = ciov_ptr.read()?;
guest_slices.push(ciov.buf.as_array(ciov.buf_len).as_slice()?);
}
let required_rights = HandleRights::from_base(types::Rights::FD_WRITE);
let entry = self.get_entry(fd)?;
let host_nwritten = {
let slices: Vec<io::IoSlice> =
guest_slices.iter().map(|s| io::IoSlice::new(&*s)).collect();
entry
.as_handle(required_rights)?
.write_vectored(&slices)?
.try_into()?
};
Ok(host_nwritten)
}
fn path_create_directory(&self, dirfd: types::Fd, path: &GuestPtr<'_, str>) -> Result<()> {
let required_rights = HandleRights::from_base(
types::Rights::PATH_OPEN | types::Rights::PATH_CREATE_DIRECTORY,
);
let entry = self.get_entry(dirfd)?;
let path = path.as_str()?;
let (dirfd, path) = path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
path.deref(),
false,
)?;
dirfd.create_directory(&path)
}
fn path_filestat_get(
&self,
dirfd: types::Fd,
flags: types::Lookupflags,
path: &GuestPtr<'_, str>,
) -> Result<types::Filestat> {
let required_rights = HandleRights::from_base(types::Rights::PATH_FILESTAT_GET);
let entry = self.get_entry(dirfd)?;
let path = path.as_str()?;
let (dirfd, path) = path::get(&entry, required_rights, flags, path.deref(), false)?;
let host_filestat =
dirfd.filestat_get_at(&path, flags.contains(types::Lookupflags::SYMLINK_FOLLOW))?;
Ok(host_filestat)
}
fn path_filestat_set_times(
&self,
dirfd: types::Fd,
flags: types::Lookupflags,
path: &GuestPtr<'_, str>,
atim: types::Timestamp,
mtim: types::Timestamp,
fst_flags: types::Fstflags,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_FILESTAT_SET_TIMES);
let entry = self.get_entry(dirfd)?;
let path = path.as_str()?;
let (dirfd, path) = path::get(&entry, required_rights, flags, path.deref(), false)?;
dirfd.filestat_set_times_at(
&path,
atim,
mtim,
fst_flags,
flags.contains(types::Lookupflags::SYMLINK_FOLLOW),
)?;
Ok(())
}
fn path_link(
&self,
old_fd: types::Fd,
old_flags: types::Lookupflags,
old_path: &GuestPtr<'_, str>,
new_fd: types::Fd,
new_path: &GuestPtr<'_, str>,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_LINK_SOURCE);
let old_entry = self.get_entry(old_fd)?;
let (old_dirfd, old_path) = {
// Borrow old_path for just this scope
let old_path = old_path.as_str()?;
path::get(
&old_entry,
required_rights,
types::Lookupflags::empty(),
old_path.deref(),
false,
)?
};
let required_rights = HandleRights::from_base(types::Rights::PATH_LINK_TARGET);
let new_entry = self.get_entry(new_fd)?;
let (new_dirfd, new_path) = {
// Borrow new_path for just this scope
let new_path = new_path.as_str()?;
path::get(
&new_entry,
required_rights,
types::Lookupflags::empty(),
new_path.deref(),
false,
)?
};
old_dirfd.link(
&old_path,
new_dirfd,
&new_path,
old_flags.contains(types::Lookupflags::SYMLINK_FOLLOW),
)
}
fn path_open(
&self,
dirfd: types::Fd,
dirflags: types::Lookupflags,
path: &GuestPtr<'_, str>,
oflags: types::Oflags,
fs_rights_base: types::Rights,
fs_rights_inheriting: types::Rights,
fdflags: types::Fdflags,
) -> Result<types::Fd> {
let needed_rights = path::open_rights(
&HandleRights::new(fs_rights_base, fs_rights_inheriting),
oflags,
fdflags,
);
trace!(" | needed_rights={}", needed_rights);
let entry = self.get_entry(dirfd)?;
let (dirfd, path) = {
let path = path.as_str()?;
path::get(
&entry,
needed_rights,
dirflags,
path.deref(),
oflags & types::Oflags::CREAT != types::Oflags::empty(),
)?
};
// which open mode do we need?
let read = fs_rights_base & (types::Rights::FD_READ | types::Rights::FD_READDIR)
!= types::Rights::empty();
let write = fs_rights_base
& (types::Rights::FD_DATASYNC
| types::Rights::FD_WRITE
| types::Rights::FD_ALLOCATE
| types::Rights::FD_FILESTAT_SET_SIZE)
!= types::Rights::empty();
trace!(
" | calling path_open impl: read={}, write={}",
read,
write
);
let fd = dirfd.openat(&path, read, write, oflags, fdflags)?;
let entry = Entry::new(EntryHandle::from(fd));
// We need to manually deny the rights which are not explicitly requested
// because Entry::from will assign maximal consistent rights.
let mut rights = entry.get_rights();
rights.base &= fs_rights_base;
rights.inheriting &= fs_rights_inheriting;
entry.set_rights(rights);
let guest_fd = self.insert_entry(entry)?;
Ok(guest_fd)
}
fn path_readlink(
&self,
dirfd: types::Fd,
path: &GuestPtr<'_, str>,
buf: &GuestPtr<u8>,
buf_len: types::Size,
) -> Result<types::Size> {
let required_rights = HandleRights::from_base(types::Rights::PATH_READLINK);
let entry = self.get_entry(dirfd)?;
let (dirfd, path) = {
// borrow path for just this scope
let path = path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
path.deref(),
false,
)?
};
let mut slice = buf.as_array(buf_len).as_slice_mut()?;
let host_bufused = dirfd.readlink(&path, &mut *slice)?.try_into()?;
Ok(host_bufused)
}
fn path_remove_directory(&self, dirfd: types::Fd, path: &GuestPtr<'_, str>) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_REMOVE_DIRECTORY);
let entry = self.get_entry(dirfd)?;
let (dirfd, path) = {
let path = path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
path.deref(),
true,
)?
};
dirfd.remove_directory(&path)
}
fn path_rename(
&self,
old_fd: types::Fd,
old_path: &GuestPtr<'_, str>,
new_fd: types::Fd,
new_path: &GuestPtr<'_, str>,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_RENAME_SOURCE);
let entry = self.get_entry(old_fd)?;
let (old_dirfd, old_path) = {
let old_path = old_path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
old_path.deref(),
true,
)?
};
let required_rights = HandleRights::from_base(types::Rights::PATH_RENAME_TARGET);
let entry = self.get_entry(new_fd)?;
let (new_dirfd, new_path) = {
let new_path = new_path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
new_path.deref(),
true,
)?
};
old_dirfd.rename(&old_path, new_dirfd, &new_path)
}
fn path_symlink(
&self,
old_path: &GuestPtr<'_, str>,
dirfd: types::Fd,
new_path: &GuestPtr<'_, str>,
) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_SYMLINK);
let entry = self.get_entry(dirfd)?;
let (new_fd, new_path) = {
let new_path = new_path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
new_path.deref(),
true,
)?
};
let old_path = old_path.as_str()?;
trace!(old_path = old_path.deref());
new_fd.symlink(&old_path, &new_path)
}
fn path_unlink_file(&self, dirfd: types::Fd, path: &GuestPtr<'_, str>) -> Result<()> {
let required_rights = HandleRights::from_base(types::Rights::PATH_UNLINK_FILE);
let entry = self.get_entry(dirfd)?;
let (dirfd, path) = {
let path = path.as_str()?;
path::get(
&entry,
required_rights,
types::Lookupflags::empty(),
path.deref(),
false,
)?
};
dirfd.unlink_file(&path)?;
Ok(())
}
fn poll_oneoff(
&self,
in_: &GuestPtr<types::Subscription>,
out: &GuestPtr<types::Event>,
nsubscriptions: types::Size,
) -> Result<types::Size> {
if u64::from(nsubscriptions) > types::Filesize::max_value() {
return Err(Error::Inval);
}
let mut subscriptions = Vec::new();
let subs = in_.as_array(nsubscriptions);
for sub_ptr in subs.iter() {
let sub_ptr = sub_ptr?;
let sub: types::Subscription = sub_ptr.read()?;
subscriptions.push(sub);
}
let events = self.poll_oneoff_impl(&subscriptions)?;
let nevents = events.len().try_into()?;
let out_events = out.as_array(nevents);
for (event, event_ptr) in events.into_iter().zip(out_events.iter()) {
let event_ptr = event_ptr?;
event_ptr.write(event)?;
}
trace!(nevents = nevents);
Ok(nevents)
}
fn proc_exit(&self, status: types::Exitcode) -> wiggle::Trap {
// Check that the status is within WASI's range.
if status < 126 {
wiggle::Trap::I32Exit(status as i32)
} else {
wiggle::Trap::String("exit with invalid exit status outside of [0..126)".to_owned())
}
}
fn proc_raise(&self, _sig: types::Signal) -> Result<()> {
Err(Error::Unsupported("proc_raise"))
}
fn sched_yield(&self) -> Result<()> {
std::thread::yield_now();
Ok(())
}
fn random_get(&self, buf: &GuestPtr<u8>, buf_len: types::Size) -> Result<()> {
let mut slice = buf.as_array(buf_len).as_slice_mut()?;
getrandom::getrandom(&mut *slice)?;
Ok(())
}
fn sock_recv(
&self,
_fd: types::Fd,
_ri_data: &types::IovecArray<'_>,
_ri_flags: types::Riflags,
) -> Result<(types::Size, types::Roflags)> {
Err(Error::Unsupported("sock_recv"))
}
fn sock_send(
&self,
_fd: types::Fd,
_si_data: &types::CiovecArray<'_>,
_si_flags: types::Siflags,
) -> Result<types::Size> {
Err(Error::Unsupported("sock_send"))
}
fn sock_shutdown(&self, _fd: types::Fd, _how: types::Sdflags) -> Result<()> {
Err(Error::Unsupported("sock_shutdown"))
}
}
impl WasiCtx {
pub(crate) fn poll_oneoff_impl(
&self,
subscriptions: &[types::Subscription],
) -> Result<Vec<types::Event>> {
let mut events = Vec::new();
let mut timeout: Option<sched::ClockEventData> = None;
let mut fd_events = Vec::new();
// As mandated by the WASI spec:
// > If `nsubscriptions` is 0, returns `errno::inval`.
if subscriptions.is_empty() {
return Err(Error::Inval);
}
for subscription in subscriptions {
match &subscription.u {
types::SubscriptionU::Clock(clock) => {
let delay = clock::to_relative_ns_delay(&clock)?;
debug!(
clock = tracing::field::debug(&clock),
delay_ns = tracing::field::debug(delay),
"poll_oneoff"
);
let current = sched::ClockEventData {
delay,
userdata: subscription.userdata,
};
let timeout = timeout.get_or_insert(current);
if current.delay < timeout.delay {
*timeout = current;
}
}
types::SubscriptionU::FdRead(fd_read) => {
let fd = fd_read.file_descriptor;
let required_rights = HandleRights::from_base(
types::Rights::FD_READ | types::Rights::POLL_FD_READWRITE,
);
let entry = match self.get_entry(fd) {
Ok(entry) => entry,
Err(error) => {
events.push(types::Event {
userdata: subscription.userdata,
error: error.try_into().expect("non-trapping error"),
type_: types::Eventtype::FdRead,
fd_readwrite: types::EventFdReadwrite {
nbytes: 0,
flags: types::Eventrwflags::empty(),
},
});
continue;
}
};
fd_events.push(sched::FdEventData {
handle: entry.as_handle(required_rights)?,
r#type: types::Eventtype::FdRead,
userdata: subscription.userdata,
});
}
types::SubscriptionU::FdWrite(fd_write) => {
let fd = fd_write.file_descriptor;
let required_rights = HandleRights::from_base(
types::Rights::FD_WRITE | types::Rights::POLL_FD_READWRITE,
);
let entry = match self.get_entry(fd) {
Ok(entry) => entry,
Err(error) => {
events.push(types::Event {
userdata: subscription.userdata,
error: error.try_into().expect("non-trapping error"),
type_: types::Eventtype::FdWrite,
fd_readwrite: types::EventFdReadwrite {
nbytes: 0,
flags: types::Eventrwflags::empty(),
},
});
continue;
}
};
fd_events.push(sched::FdEventData {
handle: entry.as_handle(required_rights)?,
r#type: types::Eventtype::FdWrite,
userdata: subscription.userdata,
});
}
}
}
debug!(
events = tracing::field::debug(&events),
timeout = tracing::field::debug(timeout),
"poll_oneoff"
);
// The underlying implementation should successfully and immediately return
// if no events have been passed. Such situation may occur if all provided
// events have been filtered out as errors in the code above.
poll::oneoff(timeout, fd_events, &mut events)?;
Ok(events)
}
}

939
crates/wasi-common/src/snapshots/wasi_unstable.rs
View File

@@ -1,939 +0,0 @@
use crate::wasi::{types as types_new, wasi_snapshot_preview1::WasiSnapshotPreview1};
use crate::{Error, WasiCtx};
use std::convert::{TryFrom, TryInto};
use types::*;
wiggle::from_witx!({
witx: ["$WASI_ROOT/phases/old/snapshot_0/witx/wasi_unstable.witx"],
ctx: WasiCtx,
errors: { errno => Error },
});
impl wiggle::GuestErrorType for Errno {
fn success() -> Self {
Self::Success
}
}
impl types::GuestErrorConversion for WasiCtx {
fn into_errno(&self, e: wiggle::GuestError) -> Errno {
tracing::debug!("Guest error: {:?}", e);
e.into()
}
}
impl types::UserErrorConversion for WasiCtx {
fn errno_from_error(&self, e: Error) -> Result<Errno, wiggle::Trap> {
tracing::debug!("Error: {:?}", e);
e.try_into()
}
}
impl TryFrom<Error> for Errno {
type Error = wiggle::Trap;
fn try_from(e: Error) -> Result<Errno, wiggle::Trap> {
Ok(types_new::Errno::try_from(e)?.into())
}
}
impl From<wiggle::GuestError> for Errno {
fn from(err: wiggle::GuestError) -> Self {
types_new::Errno::from(err).into()
}
}
impl wasi_unstable::WasiUnstable for WasiCtx {
fn args_get<'a>(
&self,
argv: &wiggle::GuestPtr<'a, wiggle::GuestPtr<'a, u8>>,
argv_buf: &wiggle::GuestPtr<'a, u8>,
) -> Result<(), Error> {
WasiSnapshotPreview1::args_get(self, argv, argv_buf)
}
fn args_sizes_get(&self) -> Result<(Size, Size), Error> {
WasiSnapshotPreview1::args_sizes_get(self)
}
fn environ_get<'a>(
&self,
environ: &wiggle::GuestPtr<'a, wiggle::GuestPtr<'a, u8>>,
environ_buf: &wiggle::GuestPtr<'a, u8>,
) -> Result<(), Error> {
WasiSnapshotPreview1::environ_get(self, environ, environ_buf)
}
fn environ_sizes_get(&self) -> Result<(Size, Size), Error> {
WasiSnapshotPreview1::environ_sizes_get(self)
}
fn clock_res_get(&self, id: Clockid) -> Result<Timestamp, Error> {
WasiSnapshotPreview1::clock_res_get(self, id.into())
}
fn clock_time_get(&self, id: Clockid, precision: Timestamp) -> Result<Timestamp, Error> {
WasiSnapshotPreview1::clock_time_get(self, id.into(), precision)
}
fn fd_advise(
&self,
fd: Fd,
offset: Filesize,
len: Filesize,
advice: Advice,
) -> Result<(), Error> {
WasiSnapshotPreview1::fd_advise(self, fd.into(), offset, len, advice.into())
}
fn fd_allocate(&self, fd: Fd, offset: Filesize, len: Filesize) -> Result<(), Error> {
WasiSnapshotPreview1::fd_allocate(self, fd.into(), offset, len)
}
fn fd_close(&self, fd: Fd) -> Result<(), Error> {
WasiSnapshotPreview1::fd_close(self, fd.into())
}
fn fd_datasync(&self, fd: Fd) -> Result<(), Error> {
WasiSnapshotPreview1::fd_datasync(self, fd.into())
}
fn fd_fdstat_get(&self, fd: Fd) -> Result<Fdstat, Error> {
WasiSnapshotPreview1::fd_fdstat_get(self, fd.into()).map(|s| s.into())
}
fn fd_fdstat_set_flags(&self, fd: Fd, flags: Fdflags) -> Result<(), Error> {
WasiSnapshotPreview1::fd_fdstat_set_flags(self, fd.into(), flags.into())
}
fn fd_fdstat_set_rights(
&self,
fd: Fd,
fs_rights_base: Rights,
fs_rights_inheriting: Rights,
) -> Result<(), Error> {
WasiSnapshotPreview1::fd_fdstat_set_rights(
self,
fd.into(),
fs_rights_base.into(),
fs_rights_inheriting.into(),
)
}
fn fd_filestat_get(&self, fd: Fd) -> Result<Filestat, Error> {
WasiSnapshotPreview1::fd_filestat_get(self, fd.into()).and_then(|e| e.try_into())
}
fn fd_filestat_set_size(&self, fd: Fd, size: Filesize) -> Result<(), Error> {
WasiSnapshotPreview1::fd_filestat_set_size(self, fd.into(), size)
}
fn fd_filestat_set_times(
&self,
fd: Fd,
atim: Timestamp,
mtim: Timestamp,
fst_flags: Fstflags,
) -> Result<(), Error> {
WasiSnapshotPreview1::fd_filestat_set_times(self, fd.into(), atim, mtim, fst_flags.into())
}
fn fd_pread<'a>(&self, fd: Fd, iovs: &IovecArray<'a>, offset: Filesize) -> Result<Size, Error> {
WasiSnapshotPreview1::fd_pread(self, fd.into(), &cvt_iovec(iovs), offset)
}
fn fd_prestat_get(&self, fd: Fd) -> Result<Prestat, Error> {
WasiSnapshotPreview1::fd_prestat_get(self, fd.into()).map(|e| e.into())
}
fn fd_prestat_dir_name<'a>(
&self,
fd: Fd,
path: &wiggle::GuestPtr<'a, u8>,
path_len: Size,
) -> Result<(), Error> {
WasiSnapshotPreview1::fd_prestat_dir_name(self, fd.into(), path, path_len)
}
fn fd_pwrite<'a>(
&self,
fd: Fd,
iovs: &CiovecArray<'a>,
offset: Filesize,
) -> Result<Size, Error> {
WasiSnapshotPreview1::fd_pwrite(self, fd.into(), &cvt_ciovec(iovs), offset)
}
fn fd_read<'a>(&self, fd: Fd, iovs: &IovecArray<'a>) -> Result<Size, Error> {
WasiSnapshotPreview1::fd_read(self, fd.into(), &cvt_iovec(iovs))
}
fn fd_readdir<'a>(
&self,
fd: Fd,
buf: &wiggle::GuestPtr<'a, u8>,
buf_len: Size,
cookie: Dircookie,
) -> Result<Size, Error> {
WasiSnapshotPreview1::fd_readdir(self, fd.into(), buf, buf_len, cookie)
}
fn fd_renumber(&self, from: Fd, to: Fd) -> Result<(), Error> {
WasiSnapshotPreview1::fd_renumber(self, from.into(), to.into())
}
fn fd_seek(&self, fd: Fd, offset: Filedelta, whence: Whence) -> Result<Filesize, Error> {
WasiSnapshotPreview1::fd_seek(self, fd.into(), offset, whence.into())
}
fn fd_sync(&self, fd: Fd) -> Result<(), Error> {
WasiSnapshotPreview1::fd_sync(self, fd.into())
}
fn fd_tell(&self, fd: Fd) -> Result<Filesize, Error> {
WasiSnapshotPreview1::fd_tell(self, fd.into())
}
fn fd_write<'a>(&self, fd: Fd, iovs: &CiovecArray<'a>) -> Result<Size, Error> {
WasiSnapshotPreview1::fd_write(self, fd.into(), &cvt_ciovec(iovs))
}
fn path_create_directory<'a>(
&self,
fd: Fd,
path: &wiggle::GuestPtr<'a, str>,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_create_directory(self, fd.into(), path)
}
fn path_filestat_get<'a>(
&self,
fd: Fd,
flags: Lookupflags,
path: &wiggle::GuestPtr<'a, str>,
) -> Result<Filestat, Error> {
WasiSnapshotPreview1::path_filestat_get(self, fd.into(), flags.into(), path)
.and_then(|e| e.try_into())
}
fn path_filestat_set_times<'a>(
&self,
fd: Fd,
flags: Lookupflags,
path: &wiggle::GuestPtr<'a, str>,
atim: Timestamp,
mtim: Timestamp,
fst_flags: Fstflags,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_filestat_set_times(
self,
fd.into(),
flags.into(),
path,
atim,
mtim,
fst_flags.into(),
)
}
fn path_link<'a>(
&self,
old_fd: Fd,
old_flags: Lookupflags,
old_path: &wiggle::GuestPtr<'a, str>,
new_fd: Fd,
new_path: &wiggle::GuestPtr<'a, str>,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_link(
self,
old_fd.into(),
old_flags.into(),
old_path,
new_fd.into(),
new_path,
)
}
fn path_open<'a>(
&self,
fd: Fd,
dirflags: Lookupflags,
path: &wiggle::GuestPtr<'a, str>,
oflags: Oflags,
fs_rights_base: Rights,
fs_rights_inheriting: Rights,
fdflags: Fdflags,
) -> Result<Fd, Error> {
WasiSnapshotPreview1::path_open(
self,
fd.into(),
dirflags.into(),
path,
oflags.into(),
fs_rights_base.into(),
fs_rights_inheriting.into(),
fdflags.into(),
)
.map(|e| e.into())
}
fn path_readlink<'a>(
&self,
fd: Fd,
path: &wiggle::GuestPtr<'a, str>,
buf: &wiggle::GuestPtr<'a, u8>,
buf_len: Size,
) -> Result<Size, Error> {
WasiSnapshotPreview1::path_readlink(self, fd.into(), path, buf, buf_len)
}
fn path_remove_directory<'a>(
&self,
fd: Fd,
path: &wiggle::GuestPtr<'a, str>,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_remove_directory(self, fd.into(), path)
}
fn path_rename<'a>(
&self,
fd: Fd,
old_path: &wiggle::GuestPtr<'a, str>,
new_fd: Fd,
new_path: &wiggle::GuestPtr<'a, str>,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_rename(self, fd.into(), old_path, new_fd.into(), new_path)
}
fn path_symlink<'a>(
&self,
old_path: &wiggle::GuestPtr<'a, str>,
fd: Fd,
new_path: &wiggle::GuestPtr<'a, str>,
) -> Result<(), Error> {
WasiSnapshotPreview1::path_symlink(self, old_path, fd.into(), new_path)
}
fn path_unlink_file<'a>(&self, fd: Fd, path: &wiggle::GuestPtr<'a, str>) -> Result<(), Error> {
WasiSnapshotPreview1::path_unlink_file(self, fd.into(), path)
}
fn poll_oneoff<'a>(
&self,
in_: &wiggle::GuestPtr<'a, Subscription>,
out: &wiggle::GuestPtr<'a, Event>,
nsubscriptions: Size,
) -> Result<Size, Error> {
if u64::from(nsubscriptions) > types::Filesize::max_value() {
return Err(Error::Inval);
}
let mut subscriptions = Vec::new();
let subs = in_.as_array(nsubscriptions);
for sub_ptr in subs.iter() {
let sub_ptr = sub_ptr?;
let sub: types::Subscription = sub_ptr.read()?;
subscriptions.push(sub.into());
}
let events = self.poll_oneoff_impl(&subscriptions)?;
let nevents = events.len().try_into()?;
let out_events = out.as_array(nevents);
for (event, event_ptr) in events.into_iter().zip(out_events.iter()) {
let event_ptr = event_ptr?;
event_ptr.write(event.into())?;
}
Ok(nevents)
}
fn proc_exit(&self, rval: Exitcode) -> wiggle::Trap {
WasiSnapshotPreview1::proc_exit(self, rval)
}
fn proc_raise(&self, sig: Signal) -> Result<(), Error> {
WasiSnapshotPreview1::proc_raise(self, sig.into())
}
fn sched_yield(&self) -> Result<(), Error> {
WasiSnapshotPreview1::sched_yield(self)
}
fn random_get<'a>(&self, buf: &wiggle::GuestPtr<'a, u8>, buf_len: Size) -> Result<(), Error> {
WasiSnapshotPreview1::random_get(self, buf, buf_len)
}
fn sock_recv<'a>(
&self,
fd: Fd,
ri_data: &IovecArray<'a>,
ri_flags: Riflags,
) -> Result<(Size, Roflags), Error> {
WasiSnapshotPreview1::sock_recv(self, fd.into(), &cvt_iovec(ri_data), ri_flags.into())
.map(|(s, f)| (s, f.into()))
}
fn sock_send<'a>(
&self,
fd: Fd,
si_data: &CiovecArray<'a>,
si_flags: Siflags,
) -> Result<Size, Error> {
WasiSnapshotPreview1::sock_send(self, fd.into(), &cvt_ciovec(si_data), si_flags.into())
}
fn sock_shutdown(&self, fd: Fd, how: Sdflags) -> Result<(), Error> {
WasiSnapshotPreview1::sock_shutdown(self, fd.into(), how.into())
}
}
impl From<Clockid> for types_new::Clockid {
fn from(id: Clockid) -> types_new::Clockid {
match id {
Clockid::Realtime => types_new::Clockid::Realtime,
Clockid::Monotonic => types_new::Clockid::Monotonic,
Clockid::ProcessCputimeId => types_new::Clockid::ProcessCputimeId,
Clockid::ThreadCputimeId => types_new::Clockid::ThreadCputimeId,
}
}
}
impl From<Fd> for types_new::Fd {
fn from(fd: Fd) -> types_new::Fd {
types_new::Fd::from(u32::from(fd))
}
}
impl From<types_new::Fd> for Fd {
fn from(fd: types_new::Fd) -> Fd {
Fd::from(u32::from(fd))
}
}
impl From<Advice> for types_new::Advice {
fn from(e: Advice) -> types_new::Advice {
match e {
Advice::Normal => types_new::Advice::Normal,
Advice::Sequential => types_new::Advice::Sequential,
Advice::Random => types_new::Advice::Random,
Advice::Willneed => types_new::Advice::Willneed,
Advice::Dontneed => types_new::Advice::Dontneed,
Advice::Noreuse => types_new::Advice::Noreuse,
}
}
}
impl From<types_new::Fdstat> for Fdstat {
fn from(e: types_new::Fdstat) -> Fdstat {
Fdstat {
fs_filetype: e.fs_filetype.into(),
fs_flags: e.fs_flags.into(),
fs_rights_base: e.fs_rights_base.into(),
fs_rights_inheriting: e.fs_rights_inheriting.into(),
}
}
}
fn assert_rights_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u64::from(Rights::$id), u64::from(types_new::Rights::$id));
)*});
}
assert_same! {
FD_DATASYNC
FD_READ
FD_SEEK
FD_FDSTAT_SET_FLAGS
FD_SYNC
FD_TELL
FD_WRITE
FD_ADVISE
FD_ALLOCATE
PATH_CREATE_DIRECTORY
PATH_CREATE_FILE
PATH_LINK_SOURCE
PATH_LINK_TARGET
PATH_OPEN
FD_READDIR
PATH_READLINK
PATH_RENAME_SOURCE
PATH_RENAME_TARGET
PATH_FILESTAT_GET
PATH_FILESTAT_SET_TIMES
PATH_FILESTAT_SET_SIZE
FD_FILESTAT_GET
FD_FILESTAT_SET_SIZE
FD_FILESTAT_SET_TIMES
PATH_SYMLINK
PATH_REMOVE_DIRECTORY
PATH_UNLINK_FILE
POLL_FD_READWRITE
SOCK_SHUTDOWN
}
}
impl From<Rights> for types_new::Rights {
fn from(e: Rights) -> types_new::Rights {
assert_rights_same();
u64::from(e).try_into().unwrap()
}
}
impl From<types_new::Rights> for Rights {
fn from(e: types_new::Rights) -> Rights {
assert_rights_same();
u64::from(e).try_into().unwrap()
}
}
impl From<Filetype> for types_new::Filetype {
fn from(e: Filetype) -> types_new::Filetype {
match e {
Filetype::Unknown => types_new::Filetype::Unknown,
Filetype::BlockDevice => types_new::Filetype::BlockDevice,
Filetype::CharacterDevice => types_new::Filetype::CharacterDevice,
Filetype::Directory => types_new::Filetype::Directory,
Filetype::RegularFile => types_new::Filetype::RegularFile,
Filetype::SocketDgram => types_new::Filetype::SocketDgram,
Filetype::SocketStream => types_new::Filetype::SocketStream,
Filetype::SymbolicLink => types_new::Filetype::SymbolicLink,
}
}
}
impl From<types_new::Filetype> for Filetype {
fn from(e: types_new::Filetype) -> Filetype {
match e {
types_new::Filetype::Unknown => Filetype::Unknown,
types_new::Filetype::BlockDevice => Filetype::BlockDevice,
types_new::Filetype::CharacterDevice => Filetype::CharacterDevice,
types_new::Filetype::Directory => Filetype::Directory,
types_new::Filetype::RegularFile => Filetype::RegularFile,
types_new::Filetype::SocketDgram => Filetype::SocketDgram,
types_new::Filetype::SocketStream => Filetype::SocketStream,
types_new::Filetype::SymbolicLink => Filetype::SymbolicLink,
}
}
}
fn assert_fdflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Fdflags::$id), u16::from(types_new::Fdflags::$id));
)*});
}
assert_same! {
APPEND
DSYNC
NONBLOCK
RSYNC
SYNC
}
}
impl From<Fdflags> for types_new::Fdflags {
fn from(e: Fdflags) -> types_new::Fdflags {
assert_fdflags_same();
u16::from(e).try_into().unwrap()
}
}
impl From<types_new::Fdflags> for Fdflags {
fn from(e: types_new::Fdflags) -> Fdflags {
assert_fdflags_same();
u16::from(e).try_into().unwrap()
}
}
impl TryFrom<types_new::Filestat> for Filestat {
type Error = Error;
fn try_from(e: types_new::Filestat) -> Result<Filestat, Error> {
Ok(Filestat {
dev: e.dev,
ino: e.ino,
filetype: e.filetype.into(),
// wasi_snapshot_preview1 has a 64-bit nlink field but we have a
// 32-bit field, so we need to perform a fallible conversion.
nlink: e.nlink.try_into()?,
size: e.size,
atim: e.atim,
mtim: e.mtim,
ctim: e.ctim,
})
}
}
fn assert_fstflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Fstflags::$id), u16::from(types_new::Fstflags::$id));
)*});
}
assert_same! {
ATIM
ATIM_NOW
MTIM
MTIM_NOW
}
}
impl From<Fstflags> for types_new::Fstflags {
fn from(e: Fstflags) -> types_new::Fstflags {
assert_fstflags_same();
u16::from(e).try_into().unwrap()
}
}
impl From<types_new::Fstflags> for Fstflags {
fn from(e: types_new::Fstflags) -> Fstflags {
assert_fstflags_same();
u16::from(e).try_into().unwrap()
}
}
impl From<types_new::Prestat> for Prestat {
fn from(e: types_new::Prestat) -> Prestat {
match e {
types_new::Prestat::Dir(d) => Prestat::Dir(d.into()),
}
}
}
impl From<types_new::PrestatDir> for PrestatDir {
fn from(e: types_new::PrestatDir) -> PrestatDir {
PrestatDir {
pr_name_len: e.pr_name_len,
}
}
}
impl From<Whence> for types_new::Whence {
fn from(e: Whence) -> types_new::Whence {
match e {
Whence::Set => types_new::Whence::Set,
Whence::Cur => types_new::Whence::Cur,
Whence::End => types_new::Whence::End,
}
}
}
fn assert_lookupflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u32::from(Lookupflags::$id), u32::from(types_new::Lookupflags::$id));
)*});
}
assert_same! {
SYMLINK_FOLLOW
}
}
impl From<Lookupflags> for types_new::Lookupflags {
fn from(e: Lookupflags) -> types_new::Lookupflags {
assert_lookupflags_same();
u32::from(e).try_into().unwrap()
}
}
fn assert_oflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Oflags::$id), u16::from(types_new::Oflags::$id));
)*});
}
assert_same! {
CREAT
DIRECTORY
EXCL
TRUNC
}
}
impl From<Oflags> for types_new::Oflags {
fn from(e: Oflags) -> types_new::Oflags {
assert_oflags_same();
u16::from(e).try_into().unwrap()
}
}
fn assert_sdflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u8::from(Sdflags::$id), u8::from(types_new::Sdflags::$id));
)*});
}
assert_same! {
RD WR
}
}
impl From<Sdflags> for types_new::Sdflags {
fn from(e: Sdflags) -> types_new::Sdflags {
assert_sdflags_same();
u8::from(e).try_into().unwrap()
}
}
impl From<Signal> for types_new::Signal {
fn from(e: Signal) -> types_new::Signal {
match e {
Signal::None => types_new::Signal::None,
Signal::Hup => types_new::Signal::Hup,
Signal::Int => types_new::Signal::Int,
Signal::Quit => types_new::Signal::Quit,
Signal::Ill => types_new::Signal::Ill,
Signal::Trap => types_new::Signal::Trap,
Signal::Abrt => types_new::Signal::Abrt,
Signal::Bus => types_new::Signal::Bus,
Signal::Fpe => types_new::Signal::Fpe,
Signal::Kill => types_new::Signal::Kill,
Signal::Usr1 => types_new::Signal::Usr1,
Signal::Segv => types_new::Signal::Segv,
Signal::Usr2 => types_new::Signal::Usr2,
Signal::Pipe => types_new::Signal::Pipe,
Signal::Alrm => types_new::Signal::Alrm,
Signal::Term => types_new::Signal::Term,
Signal::Chld => types_new::Signal::Chld,
Signal::Cont => types_new::Signal::Cont,
Signal::Stop => types_new::Signal::Stop,
Signal::Tstp => types_new::Signal::Tstp,
Signal::Ttin => types_new::Signal::Ttin,
Signal::Ttou => types_new::Signal::Ttou,
Signal::Urg => types_new::Signal::Urg,
Signal::Xcpu => types_new::Signal::Xcpu,
Signal::Xfsz => types_new::Signal::Xfsz,
Signal::Vtalrm => types_new::Signal::Vtalrm,
Signal::Prof => types_new::Signal::Prof,
Signal::Winch => types_new::Signal::Winch,
Signal::Poll => types_new::Signal::Poll,
Signal::Pwr => types_new::Signal::Pwr,
Signal::Sys => types_new::Signal::Sys,
}
}
}
// For `wasi_unstable` and `wasi_snapshot_preview1` the memory layout of these
// two types was manually verified. It should be fine to effectively cast
// between the two types and get the same behavior.
fn cvt_iovec<'a>(e: &IovecArray<'a>) -> types_new::IovecArray<'a> {
wiggle::GuestPtr::new(e.mem(), (e.offset_base(), e.len()))
}
fn cvt_ciovec<'a>(e: &CiovecArray<'a>) -> types_new::CiovecArray<'a> {
wiggle::GuestPtr::new(e.mem(), (e.offset_base(), e.len()))
}
fn assert_riflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Riflags::$id), u16::from(types_new::Riflags::$id));
)*});
}
assert_same! {
RECV_PEEK
RECV_WAITALL
}
}
impl From<Riflags> for types_new::Riflags {
fn from(e: Riflags) -> types_new::Riflags {
assert_riflags_same();
u16::from(e).try_into().unwrap()
}
}
fn assert_roflags_same() {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Roflags::$id), u16::from(types_new::Roflags::$id));
)*});
}
assert_same! {
RECV_DATA_TRUNCATED
}
}
impl From<types_new::Roflags> for Roflags {
fn from(e: types_new::Roflags) -> Roflags {
assert_roflags_same();
u16::from(e).try_into().unwrap()
}
}
impl From<Subscription> for types_new::Subscription {
fn from(e: Subscription) -> types_new::Subscription {
types_new::Subscription {
userdata: e.userdata,
u: e.u.into(),
}
}
}
impl From<SubscriptionU> for types_new::SubscriptionU {
fn from(e: SubscriptionU) -> types_new::SubscriptionU {
match e {
SubscriptionU::Clock(c) => {
types_new::SubscriptionU::Clock(types_new::SubscriptionClock {
id: c.id.into(),
timeout: c.timeout,
precision: c.precision,
flags: c.flags.into(),
})
}
SubscriptionU::FdRead(c) => {
types_new::SubscriptionU::FdRead(types_new::SubscriptionFdReadwrite {
file_descriptor: c.file_descriptor.into(),
})
}
SubscriptionU::FdWrite(c) => {
types_new::SubscriptionU::FdWrite(types_new::SubscriptionFdReadwrite {
file_descriptor: c.file_descriptor.into(),
})
}
}
}
}
impl From<Subclockflags> for types_new::Subclockflags {
fn from(e: Subclockflags) -> types_new::Subclockflags {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Subclockflags::$id), u16::from(types_new::Subclockflags::$id));
)*});
}
assert_same! {
SUBSCRIPTION_CLOCK_ABSTIME
}
u16::from(e).try_into().unwrap()
}
}
impl From<types_new::Event> for Event {
fn from(e: types_new::Event) -> Event {
Event {
userdata: e.userdata,
error: e.error.into(),
type_: e.type_.into(),
fd_readwrite: e.fd_readwrite.into(),
}
}
}
impl From<types_new::Errno> for Errno {
fn from(e: types_new::Errno) -> Errno {
match e {
types_new::Errno::Success => Errno::Success,
types_new::Errno::TooBig => Errno::TooBig,
types_new::Errno::Acces => Errno::Acces,
types_new::Errno::Addrinuse => Errno::Addrinuse,
types_new::Errno::Addrnotavail => Errno::Addrnotavail,
types_new::Errno::Afnosupport => Errno::Afnosupport,
types_new::Errno::Again => Errno::Again,
types_new::Errno::Already => Errno::Already,
types_new::Errno::Badf => Errno::Badf,
types_new::Errno::Badmsg => Errno::Badmsg,
types_new::Errno::Busy => Errno::Busy,
types_new::Errno::Canceled => Errno::Canceled,
types_new::Errno::Child => Errno::Child,
types_new::Errno::Connaborted => Errno::Connaborted,
types_new::Errno::Connrefused => Errno::Connrefused,
types_new::Errno::Connreset => Errno::Connreset,
types_new::Errno::Deadlk => Errno::Deadlk,
types_new::Errno::Destaddrreq => Errno::Destaddrreq,
types_new::Errno::Dom => Errno::Dom,
types_new::Errno::Dquot => Errno::Dquot,
types_new::Errno::Exist => Errno::Exist,
types_new::Errno::Fault => Errno::Fault,
types_new::Errno::Fbig => Errno::Fbig,
types_new::Errno::Hostunreach => Errno::Hostunreach,
types_new::Errno::Idrm => Errno::Idrm,
types_new::Errno::Ilseq => Errno::Ilseq,
types_new::Errno::Inprogress => Errno::Inprogress,
types_new::Errno::Intr => Errno::Intr,
types_new::Errno::Inval => Errno::Inval,
types_new::Errno::Io => Errno::Io,
types_new::Errno::Isconn => Errno::Isconn,
types_new::Errno::Isdir => Errno::Isdir,
types_new::Errno::Loop => Errno::Loop,
types_new::Errno::Mfile => Errno::Mfile,
types_new::Errno::Mlink => Errno::Mlink,
types_new::Errno::Msgsize => Errno::Msgsize,
types_new::Errno::Multihop => Errno::Multihop,
types_new::Errno::Nametoolong => Errno::Nametoolong,
types_new::Errno::Netdown => Errno::Netdown,
types_new::Errno::Netreset => Errno::Netreset,
types_new::Errno::Netunreach => Errno::Netunreach,
types_new::Errno::Nfile => Errno::Nfile,
types_new::Errno::Nobufs => Errno::Nobufs,
types_new::Errno::Nodev => Errno::Nodev,
types_new::Errno::Noent => Errno::Noent,
types_new::Errno::Noexec => Errno::Noexec,
types_new::Errno::Nolck => Errno::Nolck,
types_new::Errno::Nolink => Errno::Nolink,
types_new::Errno::Nomem => Errno::Nomem,
types_new::Errno::Nomsg => Errno::Nomsg,
types_new::Errno::Noprotoopt => Errno::Noprotoopt,
types_new::Errno::Nospc => Errno::Nospc,
types_new::Errno::Nosys => Errno::Nosys,
types_new::Errno::Notconn => Errno::Notconn,
types_new::Errno::Notdir => Errno::Notdir,
types_new::Errno::Notempty => Errno::Notempty,
types_new::Errno::Notrecoverable => Errno::Notrecoverable,
types_new::Errno::Notsock => Errno::Notsock,
types_new::Errno::Notsup => Errno::Notsup,
types_new::Errno::Notty => Errno::Notty,
types_new::Errno::Nxio => Errno::Nxio,
types_new::Errno::Overflow => Errno::Overflow,
types_new::Errno::Ownerdead => Errno::Ownerdead,
types_new::Errno::Perm => Errno::Perm,
types_new::Errno::Pipe => Errno::Pipe,
types_new::Errno::Proto => Errno::Proto,
types_new::Errno::Protonosupport => Errno::Protonosupport,
types_new::Errno::Prototype => Errno::Prototype,
types_new::Errno::Range => Errno::Range,
types_new::Errno::Rofs => Errno::Rofs,
types_new::Errno::Spipe => Errno::Spipe,
types_new::Errno::Srch => Errno::Srch,
types_new::Errno::Stale => Errno::Stale,
types_new::Errno::Timedout => Errno::Timedout,
types_new::Errno::Txtbsy => Errno::Txtbsy,
types_new::Errno::Xdev => Errno::Xdev,
types_new::Errno::Notcapable => Errno::Notcapable,
}
}
}
impl From<types_new::Eventtype> for Eventtype {
fn from(e: types_new::Eventtype) -> Eventtype {
match e {
types_new::Eventtype::Clock => Eventtype::Clock,
types_new::Eventtype::FdRead => Eventtype::FdRead,
types_new::Eventtype::FdWrite => Eventtype::FdWrite,
}
}
}
impl From<types_new::EventFdReadwrite> for EventFdReadwrite {
fn from(e: types_new::EventFdReadwrite) -> EventFdReadwrite {
EventFdReadwrite {
nbytes: e.nbytes,
flags: e.flags.into(),
}
}
}
impl From<types_new::Eventrwflags> for Eventrwflags {
fn from(e: types_new::Eventrwflags) -> Eventrwflags {
macro_rules! assert_same {
($($id:ident)*) => ({$(
assert_eq!(u16::from(Eventrwflags::$id), u16::from(types_new::Eventrwflags::$id));
)*});
}
assert_same! {
FD_READWRITE_HANGUP
}
u16::from(e).try_into().unwrap()
}
}