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https://github.com/golang/go
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81 lines
1.2 KiB
C
81 lines
1.2 KiB
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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#include <sys/types.h>
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#include <unistd.h>
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#include "_cgo_export.h"
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void
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callback(void *f)
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{
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// use some stack space
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volatile char data[64*1024];
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data[0] = 0;
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goCallback(f);
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data[sizeof(data)-1] = 0;
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}
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void
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callGoFoo(void)
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{
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extern void goFoo(void);
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goFoo();
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}
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void
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IntoC(void)
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{
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BackIntoGo();
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}
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#ifdef WIN32
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#include <windows.h>
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long long
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mysleep(int seconds) {
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long long st = GetTickCount();
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sleep(seconds);
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return st;
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}
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#else
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#include <sys/time.h>
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long long
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mysleep(int seconds) {
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long long st;
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struct timeval tv;
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gettimeofday(&tv, NULL);
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st = tv.tv_sec * 1000 + tv.tv_usec / 1000;
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sleep(seconds);
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return st;
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}
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#endif
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long long
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twoSleep(int n)
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{
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BackgroundSleep(n);
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return mysleep(n);
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}
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void
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callGoStackCheck(void)
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{
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extern void goStackCheck(void);
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goStackCheck();
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}
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/* Test calling panic from C. This is what SWIG does. */
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extern void crosscall2(void (*fn)(void *, int), void *, int);
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extern void _cgo_panic(void *, int);
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void
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callPanic(void)
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{
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struct { const char *p; } a;
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a.p = "panic from C";
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crosscall2(_cgo_panic, &a, sizeof a);
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*(int*)1 = 1;
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}
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