launcher, launchctl: add quit command on debug version of launcher

src/launcher/launchctl.c

@@ -193,6 +193,21 @@ int list(PWSTR PipeBuf, ULONG PipeBufSize)
     return call_pipe_and_report(PipeBuf, (ULONG)((P - PipeBuf) * sizeof(WCHAR)), PipeBufSize);
 }
 
+int quit(PWSTR PipeBuf, ULONG PipeBufSize)
+{
+    /* works only against DEBUG version of launcher */
+
+    PWSTR P;
+
+    if (PipeBufSize < 1 * sizeof(WCHAR))
+        return ERROR_INVALID_PARAMETER;
+
+    P = PipeBuf;
+    *P++ = LauncherQuit;
+
+    return call_pipe_and_report(PipeBuf, (ULONG)((P - PipeBuf) * sizeof(WCHAR)), PipeBufSize);
+}
+
 int wmain(int argc, wchar_t **argv)
 {
     PWSTR PipeBuf = 0;
@@ -239,6 +254,15 @@ int wmain(int argc, wchar_t **argv)
 
         return list(PipeBuf, PIPE_BUFFER_SIZE);
     }
+    else
+    if (0 == lstrcmpW(L"quit", argv[0]))
+    {
+        if (1 != argc)
+            usage();
+
+        /* works only against DEBUG version of launcher */
+        return quit(PipeBuf, PIPE_BUFFER_SIZE);
+    }
     else
         usage();
 

src/launcher/launcher.c

@@ -951,6 +951,13 @@ static VOID SvcPipeTransact(HANDLE ClientToken, PWSTR PipeBuf, PULONG PSize)
         SvcPipeTransactResult(Result, PipeBuf, PSize);
         break;
 
+#if !defined(NDEBUG)
+    case LauncherQuit:
+        SetEvent(SvcEvent);
+
+        SvcPipeTransactResult(STATUS_SUCCESS, PipeBuf, PSize);
+        break;
+#endif
     default:
         SvcPipeTransactResult(STATUS_INVALID_PARAMETER, PipeBuf, PSize);
         break;

src/launcher/launcher.h

@@ -57,8 +57,9 @@ enum
 {
     LauncherSvcInstanceStart            = 'S',  /* requires: SERVICE_START */
     LauncherSvcInstanceStop             = 'T',  /* requires: SERVICE_STOP */
-    LauncherSvcInstanceList             = 'L',  /* requires: none*/
     LauncherSvcInstanceInfo             = 'I',  /* requires: SERVICE_QUERY_STATUS */
+    LauncherSvcInstanceList             = 'L',  /* requires: none*/
+    LauncherQuit                        = 'Q',  /* DEBUG version only */
 };
 
 #endif