cb343c33ac
The deny(warnings) attribute is now enabled for tests so we need to weed out these warnings as well.
53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
// 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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#![cfg_attr(test, allow(dead_code))]
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use sys_common::util::report_overflow;
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use sys::c;
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pub struct Handler;
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impl Handler {
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pub unsafe fn new() -> Handler {
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// This API isn't available on XP, so don't panic in that case and just
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// pray it works out ok.
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if c::SetThreadStackGuarantee(&mut 0x5000) == 0 {
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if c::GetLastError() as u32 != c::ERROR_CALL_NOT_IMPLEMENTED as u32 {
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panic!("failed to reserve stack space for exception handling");
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}
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}
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Handler
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}
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}
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extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS)
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-> c::LONG {
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unsafe {
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let rec = &(*(*ExceptionInfo).ExceptionRecord);
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let code = rec.ExceptionCode;
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if code == c::EXCEPTION_STACK_OVERFLOW {
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report_overflow();
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}
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c::EXCEPTION_CONTINUE_SEARCH
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}
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}
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pub unsafe fn init() {
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if c::AddVectoredExceptionHandler(0, vectored_handler).is_null() {
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panic!("failed to install exception handler");
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}
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// Set the thread stack guarantee for the main thread.
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let _h = Handler::new();
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}
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pub unsafe fn cleanup() {}
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