39 lines
1.2 KiB
Rust
39 lines
1.2 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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use libc::{self, BOOL, LPCSTR, HANDLE, LPSECURITY_ATTRIBUTES, CloseHandle};
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use ptr;
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pub type signal = HANDLE;
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pub fn new() -> (HANDLE, HANDLE) {
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unsafe {
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let handle = CreateEventA(ptr::null_mut(), libc::FALSE, libc::FALSE,
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ptr::null());
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(handle, handle)
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}
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}
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pub fn signal(handle: HANDLE) {
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assert!(unsafe { SetEvent(handle) != 0 });
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}
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pub fn close(handle: HANDLE) {
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assert!(unsafe { CloseHandle(handle) != 0 });
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}
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extern "system" {
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fn CreateEventA(lpSecurityAttributes: LPSECURITY_ATTRIBUTES,
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bManualReset: BOOL,
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bInitialState: BOOL,
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lpName: LPCSTR) -> HANDLE;
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fn SetEvent(hEvent: HANDLE) -> BOOL;
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}
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