glib_sysv RawHistoryFolder

1//go:build darwin || freebsd || (linux && (amd64 || arm64))
2
3package glib
4
5import (
6	"fmt"
7	"reflect"
8)
9
10func unrefCallback(fnPtr interface{}) error {
11	val := reflect.ValueOf(fnPtr)
12	if val.IsNil() {
13		return fmt.Errorf("function pointer must not be nil")
14	}
15	if val.Kind() != reflect.Ptr || val.Elem().Kind() != reflect.Func {
16		return fmt.Errorf("type must be a function pointer")
17	}
18	cbPtr := val.Pointer()
19	if _, ok := GetCallback(cbPtr); !ok {
20		return fmt.Errorf("callback not found in registry")
21	}
22	RemoveCallback(cbPtr)
23	return nil
24}