Function read

src/backend/linux_raw/io/syscalls.rs:35–44

(fd: BorrowedFd<'_>, buf: (*mut u8, usize))

#[inline]
pub(crate) unsafe fn read(fd: BorrowedFd<'_>, buf: (*mut u8, usize)) -> io::Result<usize> {
    let r = ret_usize(syscall!(__NR_read, fd, buf.0, pass_usize(buf.1)));

    #[cfg(sanitize_memory)]
    if let Ok(len) = r {
        crate::msan::unpoison(buf.0, len);
    }

    r
}

#[inline]
pub(crate) unsafe fn pread(