File: os_compat_android.h

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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_OS_COMPAT_ANDROID_H_
#define BASE_OS_COMPAT_ANDROID_H_

#include <fcntl.h>
#include <sys/types.h>
#include <utime.h>

// Not implemented in Bionic.
extern "C" int futimes(int fd, const struct timeval tv[2]);

// Not exposed or implemented in Bionic.
extern "C" char* mkdtemp(char* path);

// Android has no timegm().
extern "C" time_t timegm(struct tm* const t);

// The lockf() function is not available on Android; we translate to flock().
#define F_LOCK LOCK_EX
#define F_ULOCK LOCK_UN
inline int lockf(int fd, int cmd, off_t ignored_len) {
  return flock(fd, cmd);
}

// In case __USE_FILE_OFFSET64 is not used, we need to call pwrite64() instead
// of pwrite()
#define pwrite(fd, buf, count, offset) pwrite64(fd, buf, count, offset)

#endif  // BASE_OS_COMPAT_ANDROID_H_