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8ac4362754
There are things about this that I'm far from sold on. In particular, I'm concerned that in order to implement escalation correctly, we're going to have to add a status record for the fact that the task is being executed, which means we're going to have to potentially wait to acquire the status lock; overall, that means making an extra runtime function call and doing some atomics whenever we resume or suspend a task, which is an uncomfortable amount of overhead. The testing here is pretty grossly inadequate, but I wanted to lay down the groundwork here.
21 lines
797 B
C++
21 lines
797 B
C++
//===--- Mutex.cpp - Mutex support code -----------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// Include the runtime's mutex support code.
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// FIXME: figure out some reasonable way to share this stuff
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#include "../runtime/MutexPThread.cpp"
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#include "../runtime/MutexWin32.cpp"
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SWIFT_NORETURN void swift::fatalError(uint32_t flags, const char *format, ...) {
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abort();
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} |