#[cfg(has_host_compiler_backend)]
use crate::runtime::vm::VMContext;
#[cfg(has_host_compiler_backend)]
use std::ptr::NonNull;
#[cfg(has_host_compiler_backend)]
#[link(name = "wasmtime-helpers")]
unsafe extern "C" {
#[wasmtime_versioned_export_macros::versioned_link]
#[allow(improper_ctypes)]
pub fn wasmtime_setjmp(
jmp_buf: *mut *const u8,
callback: extern "C" fn(*mut u8, NonNull<VMContext>) -> bool,
payload: *mut u8,
callee: NonNull<VMContext>,
) -> bool;
#[wasmtime_versioned_export_macros::versioned_link]
pub fn wasmtime_longjmp(jmp_buf: *const u8) -> !;
}
pub fn lazy_per_thread_init() {
}
cfg_if::cfg_if! {
if #[cfg(has_native_signals)] {
pub use super::vectored_exceptions::{TrapHandler, SignalHandler };
} else {
pub enum SignalHandler {}
}
}