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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _BIONIC_FREEBSD_COMPAT_H_included
     18 #define _BIONIC_FREEBSD_COMPAT_H_included
     19 
     20 #define _BSD_SOURCE
     21 
     22 #include <sys/cdefs.h>
     23 #include <stddef.h> // For size_t.
     24 
     25 #define REPLACE_GETOPT
     26 
     27 /*
     28  * FreeBSD's libc has three symbols for every symbol:
     29  *
     30  *     __f will be the actual implementation.
     31  *     _f will be a weak reference to __f (used for calls to f from within the library).
     32  *     f will be a weak reference to __f (used for calls to f from outside the library).
     33  *
     34  * We collapse this into just the one symbol, f.
     35  */
     36 
     37 /* Prevent weak reference generation. */
     38 #define __weak_reference(sym,alias)
     39 
     40 /* Ensure that the implementation itself gets the underscore-free name. */
     41 #define __sleep sleep
     42 #define __usleep usleep
     43 
     44 /* Redirect internal C library calls to the public function. */
     45 #define _nanosleep nanosleep
     46 
     47 /* FreeBSD has this, but we can't really implement it correctly on Linux. */
     48 #define issetugid() 0
     49 
     50 #endif
     51