util: loop_write - accept 0-length message

[elogind.git] / src / shared / audit.h

diff --git a/src/shared/audit.h b/src/shared/audit.h
index 3df9cc6273380b297ff48dddd717d2de6e87ad1d..6de331c73e5f8b4d341a4680be9c8a35c3c31a42 100644 (file)
--- a/src/shared/audit.h
+++ b/src/shared/audit.h
@@ -25,6 +25,8 @@
 #include <stdbool.h>
 #include <sys/types.h>
 
+#define AUDIT_SESSION_INVALID ((uint32_t) -1)
+
 int audit_session_from_pid(pid_t pid, uint32_t *id);
 int audit_loginuid_from_pid(pid_t pid, uid_t *uid);