blob: 45786f94ea28681dd5463ac3d617449d846ae300 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
// Copyright 2015 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 cgo
// +build linux,amd64
#include <errno.h>
#include <stdint.h>
#include <sys/mman.h>
void *
x_cgo_mmap(void *addr, uintptr_t length, int32_t prot, int32_t flags, int32_t fd, uint32_t offset) {
void *p;
p = mmap(addr, length, prot, flags, fd, offset);
if (p == MAP_FAILED) {
/* This is what the Go code expects on failure. */
p = (void *) (uintptr_t) errno;
}
return p;
}
|
