dln_symbol: make dln_sym accessible Ruby internally

The symbol resolved by dln_symbol will eventually be passed to
extensions. The error handling of dln_sym is also separated into
dln_sym_func because the new call resolving symbols will not raise
LoadError.

1 files changed, 1 insertions, 0 deletions

diff --git a/dln.h b/dln.h
index 902f753450..d624bb6611 100644
--- a/dln.h
+++ b/dln.h
@@ -25,6 +25,7 @@ RUBY_SYMBOL_EXPORT_BEGIN
 char *dln_find_exe_r(const char*,const char*,char*,size_t DLN_FIND_EXTRA_ARG_DECL);
 char *dln_find_file_r(const char*,const char*,char*,size_t DLN_FIND_EXTRA_ARG_DECL);
 void *dln_load(const char*);
+void *dln_symbol(void*,const char*);
 
 RUBY_SYMBOL_EXPORT_END