c81c75076c
Rename main thread from "<main>" to "main". Fix issue #33789 We may need to discuss whether this counts as a breaking change since code may check the main thread name against "\<main\>". Discussion is in #33789
69 lines
2.2 KiB
Rust
69 lines
2.2 KiB
Rust
// Copyright 2013 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 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! Runtime services
|
|
//!
|
|
//! The `rt` module provides a narrow set of runtime services,
|
|
//! including the global heap (exported in `heap`) and unwinding and
|
|
//! backtrace support. The APIs in this module are highly unstable,
|
|
//! and should be considered as private implementation details for the
|
|
//! time being.
|
|
|
|
#![unstable(feature = "rt",
|
|
reason = "this public module should not exist and is highly likely \
|
|
to disappear",
|
|
issue = "0")]
|
|
#![doc(hidden)]
|
|
|
|
|
|
|
|
// Reexport some of our utilities which are expected by other crates.
|
|
pub use panicking::{begin_panic, begin_panic_fmt};
|
|
|
|
#[cfg(not(test))]
|
|
#[lang = "start"]
|
|
fn lang_start(main: *const u8, argc: isize, argv: *const *const u8) -> isize {
|
|
use borrow::ToOwned;
|
|
use mem;
|
|
use panic;
|
|
use sys;
|
|
use sys_common;
|
|
use sys_common::thread_info::{self, NewThread};
|
|
use thread::Thread;
|
|
|
|
sys::init();
|
|
|
|
let failed = unsafe {
|
|
let main_guard = sys::thread::guard::init();
|
|
sys::stack_overflow::init();
|
|
|
|
// Next, set up the current Thread with the guard information we just
|
|
// created. Note that this isn't necessary in general for new threads,
|
|
// but we just do this to name the main thread and to give it correct
|
|
// info about the stack bounds.
|
|
let thread: Thread = NewThread::new(Some("main".to_owned()));
|
|
thread_info::set(main_guard, thread);
|
|
|
|
// Store our args if necessary in a squirreled away location
|
|
sys_common::args::init(argc, argv);
|
|
|
|
// Let's run some code!
|
|
let res = panic::catch_unwind(mem::transmute::<_, fn()>(main));
|
|
sys_common::cleanup();
|
|
res.is_err()
|
|
};
|
|
|
|
if failed {
|
|
101
|
|
} else {
|
|
0
|
|
}
|
|
}
|