Adding signal handler to allow clean exit of PCU
The signal handler will end the main loop, so clean exit is performed.
The allocated memory is dumped in order to detect memory leaks.
All talloc functions use tall_pcu_ctx context instead of NULL, to track
memory leaks.
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp
index fd8b3c3..d0f2e32 100644
--- a/src/pcu_l1_if.cpp
+++ b/src/pcu_l1_if.cpp
@@ -37,6 +37,8 @@
#include <gprs_bssgp_pcu.h>
#include <pcuif_proto.h>
+extern void *tall_pcu_ctx;
+
// Variable for storage current FN.
int frame_number;