add output module interface to facilitate cooperative shutdown

... in more complex cases (where receiving SIGTTIN is not sufficient).
See also:
http://blog.gerhards.net/2013/04/rsyslog-output-plugin-wrangling.html

1 files changed, 22 insertions, 0 deletions

diff --git a/runtime/module-template.h b/runtime/module-template.h
index fe74bac9..8a958f90 100644
--- a/runtime/module-template.h
+++ b/runtime/module-template.h
@@ -938,6 +938,28 @@ static rsRetVal doHUP(instanceData __attribute__((unused)) *pData)\
 }
 
 
+/* SetShutdownImmdtPtr()
+ * This function is optional. If defined by an output plugin, it is called 
+ * each time the action is invoked to set the "ShutdownImmediate" pointer,
+ * which is used during termination to indicate the action should shutdown
+ * as quickly as possible.
+ */
+#define CODEqueryEtryPt_SetShutdownImmdtPtr \
+	else if(!strcmp((char*) name, "SetShutdownImmdtPtr")) {\
+		*pEtryPoint = SetShutdownImmdtPtr;\
+	}
+#define BEGINSetShutdownImmdtPtr \
+static rsRetVal SetShutdownImmdtPtr(instanceData __attribute__((unused)) *pData, int *pPtr)\
+{\
+	DEFiRet;
+
+#define CODESTARTSetShutdownImmdtPtr 
+
+#define ENDSetShutdownImmdtPtr \
+	RETiRet;\
+}
+
+
 /* parse() - main entry point of parser modules
  */
 #define BEGINparse \