forked from cory/tildefriends
Cory McWilliams
79022e1e1f
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3621 ed5197a5-7fde-0310-b194-c3ffbd925b24
57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
/* Copyright libuv project contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "internal.h"
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#include "winapi.h"
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static void uv__register_system_resume_callback(void);
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void uv__init_detect_system_wakeup(void) {
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/* Try registering system power event callback. This is the cleanest
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* method, but it will only work on Win8 and above.
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*/
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uv__register_system_resume_callback();
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}
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static ULONG CALLBACK uv__system_resume_callback(PVOID Context,
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ULONG Type,
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PVOID Setting) {
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if (Type == PBT_APMRESUMESUSPEND || Type == PBT_APMRESUMEAUTOMATIC)
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uv__wake_all_loops();
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return 0;
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}
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static void uv__register_system_resume_callback(void) {
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_DEVICE_NOTIFY_SUBSCRIBE_PARAMETERS recipient;
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_HPOWERNOTIFY registration_handle;
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if (pPowerRegisterSuspendResumeNotification == NULL)
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return;
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recipient.Callback = uv__system_resume_callback;
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recipient.Context = NULL;
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(*pPowerRegisterSuspendResumeNotification)(DEVICE_NOTIFY_CALLBACK,
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&recipient,
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®istration_handle);
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}
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