// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // ignore-aarch64 // ignore-emscripten no threads support #![feature(libc)] extern crate libc; use std::mem; use std::thread; #[link(name = "rust_test_helpers", kind = "static")] extern { fn rust_dbg_call(cb: extern "C" fn(libc::uintptr_t), data: libc::uintptr_t) -> libc::uintptr_t; } pub fn main() { unsafe { thread::spawn(move|| { let i: isize = 100; rust_dbg_call(callback_isize, mem::transmute(&i)); }).join().unwrap(); thread::spawn(move|| { let i: i32 = 100; rust_dbg_call(callback_i32, mem::transmute(&i)); }).join().unwrap(); thread::spawn(move|| { let i: i64 = 100; rust_dbg_call(callback_i64, mem::transmute(&i)); }).join().unwrap(); } } extern fn callback_isize(data: libc::uintptr_t) { unsafe { let data: *const isize = mem::transmute(data); assert_eq!(*data, 100); } } extern fn callback_i64(data: libc::uintptr_t) { unsafe { let data: *const i64 = mem::transmute(data); assert_eq!(*data, 100); } } extern fn callback_i32(data: libc::uintptr_t) { unsafe { let data: *const i32 = mem::transmute(data); assert_eq!(*data, 100); } }