| use crate::ffi::CStr; |
| |
| use crate::backend::c; |
| use crate::backend::conv::{c_str, ret, ret_owned_fd}; |
| use crate::fd::OwnedFd; |
| use crate::fs::Mode; |
| use crate::io; |
| use crate::shm::ShmOFlags; |
| |
| pub(crate) fn shm_open(name: &CStr, oflags: ShmOFlags, mode: Mode) -> io::Result<OwnedFd> { |
| // On this platforms, `mode_t` is `u16` and can't be passed directly to a |
| // variadic function. |
| #[cfg(apple)] |
| let mode: c::c_uint = mode.bits().into(); |
| |
| // Otherwise, cast to `mode_t` as that's what `open` is documented to take. |
| #[cfg(not(apple))] |
| let mode: c::mode_t = mode.bits() as _; |
| |
| unsafe { ret_owned_fd(c::shm_open(c_str(name), bitflags_bits!(oflags), mode)) } |
| } |
| |
| pub(crate) fn shm_unlink(name: &CStr) -> io::Result<()> { |
| unsafe { ret(c::shm_unlink(c_str(name))) } |
| } |
