signal: Introduce API osmo_signal_talloc_ctx_init
Otherwise applications need to use "extern void* tall_sigh_ctx" and set
it manually (that symbol is not exported in any header file) or end up
allocating struct signal_handler into the NULL talloc ctx.
API created in a similar way as already existing msgb_talloc_ctx_init(),
but without the pool_size because it's not considered necessary in this
case.
Change-Id: Id58ca18eb826b8f4183a7cf0dbb2b38cba702a09
diff --git a/include/osmocom/core/signal.h b/include/osmocom/core/signal.h
index ae78f15..449b976 100644
--- a/include/osmocom/core/signal.h
+++ b/include/osmocom/core/signal.h
@@ -34,6 +34,7 @@
/* Management */
+void *osmo_signal_talloc_ctx_init(void *root_ctx);
int osmo_signal_register_handler(unsigned int subsys, osmo_signal_cbfn *cbfn, void *data);
void osmo_signal_unregister_handler(unsigned int subsys, osmo_signal_cbfn *cbfn, void *data);