| 166 | |
| 167 | #[inline] |
| 168 | pub(crate) fn pwrite(fd: BorrowedFd<'_>, buf: &[u8], pos: u64) -> io::Result<usize> { |
| 169 | let (buf_addr, buf_len) = slice(buf); |
| 170 | |
| 171 | // <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/kernel/sys32.c?h=v6.13#n76> |
| 172 | #[cfg(all( |
| 173 | target_pointer_width = "32", |
| 174 | any( |
| 175 | target_arch = "arm", |
| 176 | target_arch = "mips", |
| 177 | target_arch = "mips32r6", |
| 178 | target_arch = "powerpc" |
| 179 | ), |
| 180 | ))] |
| 181 | unsafe { |
| 182 | ret_usize(syscall_readonly!( |
| 183 | __NR_pwrite64, |
| 184 | fd, |
| 185 | buf_addr, |
| 186 | buf_len, |
| 187 | zero(), |
| 188 | hi(pos), |
| 189 | lo(pos) |
| 190 | )) |
| 191 | } |
| 192 | #[cfg(all( |
| 193 | target_pointer_width = "32", |
| 194 | not(any( |
| 195 | target_arch = "arm", |
| 196 | target_arch = "mips", |
| 197 | target_arch = "mips32r6", |
| 198 | target_arch = "powerpc" |
| 199 | )), |
| 200 | ))] |
| 201 | unsafe { |
| 202 | ret_usize(syscall_readonly!( |
| 203 | __NR_pwrite64, |
| 204 | fd, |
| 205 | buf_addr, |
| 206 | buf_len, |
| 207 | hi(pos), |
| 208 | lo(pos) |
| 209 | )) |
| 210 | } |
| 211 | #[cfg(target_pointer_width = "64")] |
| 212 | unsafe { |
| 213 | ret_usize(syscall_readonly!( |
| 214 | __NR_pwrite64, |
| 215 | fd, |
| 216 | buf_addr, |
| 217 | buf_len, |
| 218 | loff_t_from_u64(pos) |
| 219 | )) |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | #[inline] |
| 224 | pub(crate) fn writev(fd: BorrowedFd<'_>, bufs: &[IoSlice<'_>]) -> io::Result<usize> { |