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