mman.rs - mozsearch

Enable keyboard shortcuts

//! Header: `sys/mman.h`

//!

//! Memory mapping functions and constants from Hexagon toolchain.

use super::super::*;

use crate::prelude::*;

// Memory protection constants

pub const PROT_NONE: c_int = 0x00;

pub const PROT_READ: c_int = 0x01;

pub const PROT_WRITE: c_int = 0x02;

pub const PROT_EXEC: c_int = 0x04;

// Memory mapping constants

pub const MAP_SHARED: c_int = 0x0001;

pub const MAP_PRIVATE: c_int = 0x0002;

pub const MAP_FIXED: c_int = 0x0010;

pub const MAP_ANON: c_int = 0x1000;

pub const MAP_ANONYMOUS: c_int = MAP_ANON;

pub const MAP_FILE: c_int = 0x0000;

pub const MAP_RENAME: c_int = 0x0020;

pub const MAP_NORESERVE: c_int = 0x0040;

pub const MAP_INHERIT: c_int = 0x0080;

pub const MAP_HASSEMAPHORE: c_int = 0x0200;

pub const MAP_TRYFIXED: c_int = 0x0400;

pub const MAP_WIRED: c_int = 0x0800;

pub const MAP_FAILED: *mut c_void = !0 as *mut c_void;

// Memory sync constants

pub const MS_ASYNC: c_int = 0x01;

pub const MS_INVALIDATE: c_int = 0x02;

pub const MS_SYNC: c_int = 0x04;

// Memory lock constants

pub const MCL_CURRENT: c_int = 0x01;

pub const MCL_FUTURE: c_int = 0x02;

extern "C" {

    pub fn mmap(

        addr: *mut c_void,

        len: size_t,

        prot: c_int,

        flags: c_int,

        fd: c_int,

        offset: off_t,

    ) -> *mut c_void;

    pub fn munmap(addr: *mut c_void, len: size_t) -> c_int;

    pub fn mprotect(addr: *mut c_void, len: size_t, prot: c_int) -> c_int;

    pub fn mlock(addr: *const c_void, len: size_t) -> c_int;

    pub fn munlock(addr: *const c_void, len: size_t) -> c_int;

    pub fn mlockall(flags: c_int) -> c_int;

    pub fn munlockall() -> c_int;

    pub fn msync(addr: *mut c_void, len: size_t, flags: c_int) -> c_int;