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31 lines
766 B
C
31 lines
766 B
C
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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#ifdef WIN32
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// A Windows DLL is unable to call an arbitrary function in
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// the main executable. Work around that by making the main
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// executable pass the callback function pointer to us.
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void (*goCallback)(void);
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__declspec(dllexport) void setCallback(void *f)
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{
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goCallback = (void (*)())f;
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}
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__declspec(dllexport) void sofunc(void);
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#else
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extern void goCallback(void);
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void setCallback(void *f) { (void)f; }
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#endif
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// OpenBSD and older Darwin lack TLS support
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#if !defined(__OpenBSD__) && !defined(__APPLE__)
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__thread int tlsvar = 12345;
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#endif
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void sofunc(void)
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{
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goCallback();
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}
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