src/vendor/nix/src/sys/memfd.rs

   1 use libc;
   2 use std::os::unix::io::RawFd;
   3 use {Errno, Result};
   4 use std::ffi::CStr;
   5
   6 bitflags!(
   7     pub flags MemFdCreateFlag: libc::c_uint {
   8         const MFD_CLOEXEC       = 0x0001,
   9         const MFD_ALLOW_SEALING = 0x0002,
  10     }
  11 );
  12
  13 pub fn memfd_create(name: &CStr, flags: MemFdCreateFlag) -> Result<RawFd> {
  14     use sys::syscall::{syscall, MEMFD_CREATE};
  15     let res = unsafe { syscall(MEMFD_CREATE, name.as_ptr(), flags.bits()) };
  16
  17     Errno::result(res).map(|r| r as RawFd)
  18 }