1// Copyright 2015 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// +build !windows
6
7#include <stdint.h>
8#include <dlfcn.h>
9
10// Write our own versions of dlopen/dlsym/dlclose so that we represent
11// the opaque handle as a Go uintptr rather than a Go pointer to avoid
12// garbage collector confusion.  See issue 23663.
13
14uintptr_t dlopen4029(char* name, int flags) {
15	return (uintptr_t)(dlopen(name, flags));
16}
17
18uintptr_t dlsym4029(uintptr_t handle, char* name) {
19	return (uintptr_t)(dlsym((void*)(handle), name));
20}
21
22int dlclose4029(uintptr_t handle) {
23	return dlclose((void*)(handle));
24}
25
26void call4029(void *arg) {
27	void (*fn)(void) = arg;
28	fn();
29}
30