35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use core::prelude::*;
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use boxed::Box;
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use mem;
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use uint;
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use libc;
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use sys_common::stack;
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use sys::{thread, stack_overflow};
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// This is the starting point of rust os threads. The first thing we do
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// is make sure that we don't trigger __morestack (also why this has a
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// no_stack_check annotation), and then we extract the main function
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// and invoke it.
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#[no_stack_check]
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pub fn start_thread(main: *mut libc::c_void) -> thread::rust_thread_return {
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unsafe {
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stack::record_os_managed_stack_bounds(0, uint::MAX);
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let handler = stack_overflow::Handler::new();
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let f: Box<proc()> = mem::transmute(main);
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(*f)();
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drop(handler);
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mem::transmute(0 as thread::rust_thread_return)
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}
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}
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