failed approach

gomspace/libutil/include/gs/util/linux/signal.h

@@ -0,0 +1,40 @@
+#ifndef GS_UTIL_LINUX_SIGNAL_H
+#define GS_UTIL_LINUX_SIGNAL_H
+/* Copyright (c) 2013-2018 GomSpace A/S. All rights reserved. */
+/**
+   @file
+
+   Signal helpers - catch and ignore.
+*/
+
+#include <signal.h>
+#include <gs/util/error.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+   Standard Linux signal handler.
+*/
+typedef void (*gs_signal_handler)(int signal, siginfo_t *si, void *context);
+
+/**
+   Register/catch signal and invoke handler.
+   @param[in] signal signal to catch.
+   @param[in] handler signal handler. If \a handler is NULL, a default handler will be invoked, which calls exit(#GS_EXITCODE_SIGNAL + signal).
+   @return_gs_error_t
+*/
+gs_error_t gs_signal_catch(int signal, gs_signal_handler handler);
+
+/**
+   Ignore signal
+   @param[in] signal signal to ignore.
+   @return_gs_error_t
+*/
+gs_error_t gs_signal_ignore(int signal);
+
+#ifdef __cplusplus
+}
+#endif
+#endif