global/signal_handler: add 'done' file to signal crashdump is ready

for an asynchronous crash scraper to use for synchronization

Signed-off-by: Dan Mick <dan.mick@redhat.com>
(cherry picked from commit 1bb5c63b05f244100a2830bc97442da0dc131d0c)

diff --git a/src/global/signal_handler.cc b/src/global/signal_handler.cc
index 5af31c28df236fd7d1a7cbca0692c5873fc0056e..6922fe34df6041d6016ab47bd45dfec53749eb3f 100644 (file)
--- a/src/global/signal_handler.cc
+++ b/src/global/signal_handler.cc
@@ -260,6 +260,8 @@ static void handle_fatal_signal(int signum)
        (void)r;
        ::close(fd);
       }
+      snprintf(fn, sizeof(fn)-1, "%s/done", base);
+      ::creat(fn, 0444);
     }
   }