clatd: rework sigterm & error handling
Separate 'running' flag out into 'running' and 'sigterm',
and make SIGTERM handler the only thing that sets 'sigterm'.
running is cleared via catastrophic errors, ie. EOF and ENETDOWN
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8254c3f4643d60feff1cb32aaa9784dca18e138c
diff --git a/clatd/clatd.h b/clatd/clatd.h
index 5b2b2e6..daa5ebc 100644
--- a/clatd/clatd.h
+++ b/clatd/clatd.h
@@ -52,7 +52,7 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-extern volatile sig_atomic_t running;
+extern volatile sig_atomic_t sigterm;
void send_dad(int fd, const struct in6_addr* tgt);