| #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); |
| } |