wasmtime 44.0.0

High-level API to expose the Wasmtime runtime
Documentation 
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//! Implementation of Wasmtime's system primitives for Unix-like operating
//! systems.
//!
//! This module handles Linux and macOS for example.

use core::cell::Cell;

#[cfg(has_virtual_memory)]
pub mod mmap;
pub mod traphandlers;
#[cfg(has_host_compiler_backend)]
pub mod unwind;
#[cfg(has_virtual_memory)]
pub mod vm;

#[cfg(all(has_native_signals, target_vendor = "apple"))]
pub mod machports;
#[cfg(has_native_signals)]
pub mod signals;

#[cfg(all(target_os = "linux", target_pointer_width = "64", feature = "std"))]
mod pagemap;
#[cfg(not(all(target_os = "linux", target_pointer_width = "64", feature = "std")))]
use crate::vm::pagemap_disabled as pagemap;

std::thread_local!(static TLS: Cell<*mut u8> = const { Cell::new(std::ptr::null_mut()) });

#[inline]
pub fn tls_get() -> *mut u8 {
    TLS.with(|p| p.get())
}

#[inline]
pub fn tls_set(ptr: *mut u8) {
    TLS.with(|p| p.set(ptr));
}