make use of new S_GLOBAL_SHUTDOWN signal to properly close pcap_fd
This avoids broken pcap files with partial packets due to non-flushed
buffers.
diff --git a/openbsc/src/e1_input.c b/openbsc/src/e1_input.c
index e465338..15495fb 100644
--- a/openbsc/src/e1_input.c
+++ b/openbsc/src/e1_input.c
@@ -52,6 +52,7 @@
#include <openbsc/trau_frame.h>
#include <openbsc/trau_mux.h>
#include <openbsc/talloc.h>
+#include <openbsc/signal.h>
#include <openbsc/misdn.h>
#define NUM_E1_TS 32
@@ -523,8 +524,24 @@
return mi_e1_line_update(line);
}
+static int e1i_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ if (subsys != SS_GLOBAL ||
+ signal != S_GLOBAL_SHUTDOWN)
+ return 0;
+
+ if (pcap_fd) {
+ close(pcap_fd);
+ pcap_fd = -1;
+ }
+
+ return 0;
+}
+
static __attribute__((constructor)) void on_dso_load_e1_inp(void)
{
tall_sigl_ctx = talloc_named_const(tall_bsc_ctx, 1,
"e1inp_sign_link");
+ register_signal_handler(SS_GLOBAL, e1i_sig_cb, NULL);
}