schedsvc: Add support for running missed tasks at the service start.

dlls/schedsvc/atsvc.c

@@ -1039,6 +1039,30 @@ void check_task_time(void)
     LeaveCriticalSection(&at_job_list_section);
 }
 
+void check_missed_task_time(void)
+{
+    FILETIME current_ft, last_ft;
+    struct job_t *job;
+
+    GetSystemTimeAsFileTime(&current_ft);
+    FileTimeToLocalFileTime(&current_ft, &current_ft);
+
+    EnterCriticalSection(&at_job_list_section);
+
+    LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
+    {
+        if (SystemTimeToFileTime(&job->data.last_runtime, &last_ft))
+        {
+            if (job_runs_at(job, &last_ft, &current_ft))
+            {
+                run_job(job);
+            }
+        }
+    }
+
+    LeaveCriticalSection(&at_job_list_section);
+}
+
 void remove_job(const WCHAR *name)
 {
     struct job_t *job;

dlls/schedsvc/schedsvc_private.h

@@ -31,6 +31,7 @@ void update_process_status(DWORD pid) DECLSPEC_HIDDEN;
 BOOL get_next_runtime(LARGE_INTEGER *rt) DECLSPEC_HIDDEN;
 void check_task_time(void) DECLSPEC_HIDDEN;
 void load_at_tasks(void) DECLSPEC_HIDDEN;
+void check_missed_task_time(void) DECLSPEC_HIDDEN;
 
 static inline WCHAR *heap_strdupW(const WCHAR *src)
 {

dlls/schedsvc/svc_main.c

@@ -54,6 +54,7 @@ static DWORD WINAPI tasks_monitor_thread(void *arg)
     TRACE("Starting...\n");
 
     load_at_tasks();
+    check_missed_task_time();
 
     htimer = CreateWaitableTimerW(NULL, FALSE, NULL);
     if (htimer == NULL)