GPRS: Gb proxy memory leak debugging with SIGUSR
diff --git a/openbsc/src/gprs/gb_proxy_main.c b/openbsc/src/gprs/gb_proxy_main.c
index 510abd0..d1024f1 100644
--- a/openbsc/src/gprs/gb_proxy_main.c
+++ b/openbsc/src/gprs/gb_proxy_main.c
@@ -26,6 +26,7 @@
#include <string.h>
#include <getopt.h>
#include <errno.h>
+#include <signal.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -89,6 +90,32 @@
return rc;
}
+static void signal_handler(int signal)
+{
+ fprintf(stdout, "signal %u received\n", signal);
+
+ switch (signal) {
+ case SIGINT:
+ dispatch_signal(SS_GLOBAL, S_GLOBAL_SHUTDOWN, NULL);
+ sleep(1);
+ exit(0);
+ break;
+ case SIGABRT:
+ /* in case of abort, we want to obtain a talloc report
+ * and then return to the caller, who will abort the process */
+ case SIGUSR1:
+ talloc_report(tall_vty_ctx, stderr);
+ talloc_report_full(tall_bsc_ctx, stderr);
+ break;
+ case SIGUSR2:
+ talloc_report_full(tall_vty_ctx, stderr);
+ break;
+ default:
+ break;
+ }
+}
+
+extern void *tall_msgb_ctx;
int main(int argc, char **argv)
{
@@ -98,6 +125,13 @@
int rc;
tall_bsc_ctx = talloc_named_const(NULL, 0, "nsip_proxy");
+ tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb");
+
+ signal(SIGINT, &signal_handler);
+ signal(SIGABRT, &signal_handler);
+ signal(SIGUSR1, &signal_handler);
+ signal(SIGUSR2, &signal_handler);
+ signal(SIGPIPE, SIG_IGN);
log_init(&log_info);
stderr_target = log_target_create_stderr();