#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);
}