Make initialization for the "err" library into a subsystem.

1 files changed, 39 insertions, 0 deletions

diff --git a/src/lib/err/torerr_sys.c b/src/lib/err/torerr_sys.c
new file mode 100644
index 0000000000..54666f4106
--- /dev/null
+++ b/src/lib/err/torerr_sys.c
@@ -0,0 +1,39 @@
+/* Copyright (c) 2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file torerr_sys.c
+ * \brief Subsystem object for the error handling subsystem.
+ **/
+
+#include "orconfig.h"
+#include "lib/err/backtrace.h"
+#include "lib/err/torerr.h"
+#include "lib/err/torerr_sys.h"
+#include "lib/subsys/subsys.h"
+#include "lib/version/torversion.h"
+
+#include <stddef.h>
+
+static int
+torerr_subsys_init(void)
+{
+  configure_backtrace_handler(get_version());
+  tor_log_reset_sigsafe_err_fds();
+
+  return 0;
+}
+static void
+torerr_subsys_shutdown(void)
+{
+  tor_log_reset_sigsafe_err_fds();
+  clean_up_backtrace_handler();
+}
+
+const subsys_fns_t sys_torerr = {
+  .name = "err",
+  .level = -100,
+  .supported = true,
+  .initialize = torerr_subsys_init,
+  .shutdown = torerr_subsys_shutdown
+};