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autocommit 2022-05-01 21:44:09 CEST

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This commit is contained in:
Julian Orth 2022-05-01 21:44:09 +02:00
parent cca3850800
commit 04580c4aeb
38 changed files with 815 additions and 124 deletions
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28
src/clientmem.rs
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@ -42,19 +42,23 @@ impl ClientMem {
}
}
}
let data = unsafe {
let data = c::mmap64(
ptr::null_mut(),
len,
c::PROT_READ | c::PROT_WRITE,
c::MAP_SHARED,
fd,
0,
);
if data == c::MAP_FAILED {
return Err(ClientMemError::MmapFailed(uapi::Errno::default().into()));
let data = if len == 0 {
&mut [][..]
} else {
unsafe {
let data = c::mmap64(
ptr::null_mut(),
len,
c::PROT_READ | c::PROT_WRITE,
c::MAP_SHARED,
fd,
0,
);
if data == c::MAP_FAILED {
return Err(ClientMemError::MmapFailed(uapi::Errno::default().into()));
}
std::slice::from_raw_parts_mut(data as *mut Cell<u8>, len)
}
std::slice::from_raw_parts_mut(data as *mut Cell<u8>, len)
};
Ok(Self {
failed: Cell::new(false),