--- ../oo/Net-Curl-0.56/Curl.xs	2022-08-16 08:44:34.000000000 +0300
+++ Curl.xs	2024-11-21 12:11:53.087671081 +0200
@@ -4,6 +4,7 @@
  * Perl interface for libcurl. Check out the file README for more info.
  */
 
+#include <execinfo.h>
 /*
  * Copyright (C) 2000, 2001, 2002, 2005, 2008 Daniel Stenberg, Cris Bailiff, et al.
  * Copyright (C) 2011-2015 Przemyslaw Iskra.
@@ -278,6 +279,14 @@
 	SV *olderrsv = NULL;
 	int method_call = 0;
 
+void* callstack[128];
+int frames = backtrace(callstack, 128);
+char** strs = backtrace_symbols(callstack, frames);
+for (int I = 0; I < frames; ++I) {
+    printf("STACKTRACE: %s\n", strs[I]);
+}
+free(strs);
+
 	if ( ! cb->func || ! SvOK( cb->func ) ) {
 		warn( "callback function is not set\n" );
 		return -1;