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authorValentin <[email protected]>2018-06-15 18:57:24 +0200
committerFenrirWolf <[email protected]>2018-06-15 10:57:24 -0600
commitf2a90174bb36b9ad528e863ab34c02ebce002b02 (patch)
tree959e8d67883d3a89e179b3549b1f30d28e51a87c /ctr-std/src/sys/windows/stack_overflow.rs
parentMerge pull request #68 from linouxis9/master (diff)
downloadctru-rs-f2a90174bb36b9ad528e863ab34c02ebce002b02.tar.xz
ctru-rs-f2a90174bb36b9ad528e863ab34c02ebce002b02.zip
Update for latest nightly 2018-06-09 (#70)
* Update for latest nightly 2018-06-09 * We now have a proper horizon os and sys modules in libstd
Diffstat (limited to 'ctr-std/src/sys/windows/stack_overflow.rs')
-rw-r--r--ctr-std/src/sys/windows/stack_overflow.rs52
1 files changed, 52 insertions, 0 deletions
diff --git a/ctr-std/src/sys/windows/stack_overflow.rs b/ctr-std/src/sys/windows/stack_overflow.rs
new file mode 100644
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+++ b/ctr-std/src/sys/windows/stack_overflow.rs
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+// 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 <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.
+
+#![cfg_attr(test, allow(dead_code))]
+
+use sys_common::util::report_overflow;
+use sys::c;
+
+pub struct Handler;
+
+impl Handler {
+ pub unsafe fn new() -> Handler {
+ // This API isn't available on XP, so don't panic in that case and just
+ // pray it works out ok.
+ if c::SetThreadStackGuarantee(&mut 0x5000) == 0 {
+ if c::GetLastError() as u32 != c::ERROR_CALL_NOT_IMPLEMENTED as u32 {
+ panic!("failed to reserve stack space for exception handling");
+ }
+ }
+ Handler
+ }
+}
+
+extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS)
+ -> c::LONG {
+ unsafe {
+ let rec = &(*(*ExceptionInfo).ExceptionRecord);
+ let code = rec.ExceptionCode;
+
+ if code == c::EXCEPTION_STACK_OVERFLOW {
+ report_overflow();
+ }
+ c::EXCEPTION_CONTINUE_SEARCH
+ }
+}
+
+pub unsafe fn init() {
+ if c::AddVectoredExceptionHandler(0, vectored_handler).is_null() {
+ panic!("failed to install exception handler");
+ }
+ // Set the thread stack guarantee for the main thread.
+ let _h = Handler::new();
+}
+
+pub unsafe fn cleanup() {}