kozorizki/pve-lxc-syscalld
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work around a compiler bug

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2019-10-04 12:39:01 +02:00
parent aac3514487
commit ec68dd3e97
1 changed files with 11 additions and 3 deletions
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14
src/fork.rs
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@ -136,13 +136,21 @@ impl Fork {
pub async fn get_result(&mut self) -> io::Result<SyscallStatus> {
let mut data: Data = unsafe { std::mem::zeroed() };
self.read_exact(unsafe {
// Compiler bug: we currently need to put the slice into a temporary variable...
let dataslice: &mut [u8] = unsafe {
std::slice::from_raw_parts_mut(
&mut data as *mut Data as *mut u8,
std::mem::size_of::<Data>(),
)
})
.await?;
};
self.read_exact(dataslice).await?;
//self.read_exact(unsafe {
// std::slice::from_raw_parts_mut(
// &mut data as *mut Data as *mut u8,
// std::mem::size_of::<Data>(),
// )
//})
//.await?;
if data.failure != 0 {
Err(io::Error::from_raw_os_error(data.failure))
} else if data.error == 0 {