src/runtime/cgo/gcc_windows_arm64.c

// Copyright 2009 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.

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <process.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include "libcgo.h"
#include "libcgo_windows.h"

static void threadentry(void*);
static void (*setg_gcc)(void*);

void
x_cgo_init(G *g, void (*setg)(void*))
{
	setg_gcc = setg;
}

void
_cgo_sys_thread_start(ThreadStart *ts)
{
	uintptr_t thandle;

	thandle = _beginthread(threadentry, 0, ts);
	if(thandle == -1) {
		fprintf(stderr, "runtime: failed to create new OS thread (%d)\n", errno);
		abort();
	}
}

extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);

static void
threadentry(void *v)
{
	ThreadStart ts;

	ts = *(ThreadStart*)v;
	free(v);

	crosscall1(ts.fn, setg_gcc, (void *)ts.g);
}