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go/misc/cgo/test/callback_c_gc.c
Russ Cox 6a2b0c0b6d runtime: delete cgo_allocate
This memory is untyped and can't be used anymore.
The next version of SWIG won't need it.

Change-Id: I592b287c5f5186975ee09a9b28d8efe3b57134e7
Reviewed-on: https://go-review.googlesource.com/8956
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-04-17 01:30:47 +00:00

26 lines
592 B
C

// Copyright 2013 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 gc
#include "_cgo_export.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* Test calling panic from C. This is what SWIG does. */
extern void crosscall2(void (*fn)(void *, int), void *, int);
extern void _cgo_panic(void *, int);
extern void _cgo_allocate(void *, int);
void
callPanic(void)
{
struct { const char *p; } a;
a.p = "panic from C";
crosscall2(_cgo_panic, &a, sizeof a);
*(int*)1 = 1;
}