run-command: provide in_async query function

diff --git a/run-command.h b/run-command.h
index 1103805af1b01e8396de15f48fbd06f75313fb0d..4aaac7ce0f3a4639aa28845adc9419dbee544746 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -113,5 +113,6 @@ struct async {
 
 int start_async(struct async *async);
 int finish_async(struct async *async);
+int in_async(void);
 
 #endif