mirror of
https://github.com/golang/go
synced 2024-09-29 14:14:29 -06:00
f8bcebe47c
This reverts commit 9fa9f966e9.
The change has broken darwin and netbsd builders. It needs to be tested properly.
Change-Id: Id9e2d30caa8764c362c9f33890015dfc1aae0dab
Reviewed-on: https://go-review.googlesource.com/8527
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
31 lines
766 B
C
31 lines
766 B
C
// Copyright 2011 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build ignore
|
|
|
|
#ifdef WIN32
|
|
// A Windows DLL is unable to call an arbitrary function in
|
|
// the main executable. Work around that by making the main
|
|
// executable pass the callback function pointer to us.
|
|
void (*goCallback)(void);
|
|
__declspec(dllexport) void setCallback(void *f)
|
|
{
|
|
goCallback = (void (*)())f;
|
|
}
|
|
__declspec(dllexport) void sofunc(void);
|
|
#else
|
|
extern void goCallback(void);
|
|
void setCallback(void *f) { (void)f; }
|
|
#endif
|
|
|
|
// OpenBSD and older Darwin lack TLS support
|
|
#if !defined(__OpenBSD__) && !defined(__APPLE__)
|
|
__thread int tlsvar = 12345;
|
|
#endif
|
|
|
|
void sofunc(void)
|
|
{
|
|
goCallback();
|
|
}
|