lib/roken/dlfcn.h

   1 /***********************************************************************
   2  * Copyright (c) 2009, Secure Endpoints Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  *
  12  * - Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in
  14  *   the documentation and/or other materials provided with the
  15  *   distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  21  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  28  * OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  **********************************************************************/
  31
  32 #ifndef __dlfcn_h__
  33 #define __dlfcn_h__
  34
  35 #ifndef ROKEN_LIB_FUNCTION
  36 #ifdef _WIN32
  37 #define ROKEN_LIB_FUNCTION
  38 #define ROKEN_LIB_CALL     __cdecl
  39 #else
  40 #define ROKEN_LIB_FUNCTION
  41 #define ROKEN_LIB_CALL
  42 #endif
  43 #endif
  44
  45 #ifdef _WIN32
  46 typedef int (__stdcall *DLSYM_RET_TYPE)();
  47 #else
  48 #define DLSYM_RET_TYPE void *
  49 #endif
  50
  51 #ifdef __cplusplus
  52 extern "C"
  53 #endif
  54
  55 /* Implementation based on
  56    http://www.opengroup.org/onlinepubs/009695399/basedefs/dlfcn.h.html */
  57
  58 #define RTLD_LAZY   (1<<0)
  59
  60 #define RTLD_NOW    (1<<1)
  61
  62 #define RTLD_GLOBAL (1<<2)
  63
  64 #define RTLD_LOCAL  (1<<3)
  65
  66 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
  67 dlclose(void *);
  68
  69 ROKEN_LIB_FUNCTION char  * ROKEN_LIB_CALL
  70 dlerror(void);
  71
  72 ROKEN_LIB_FUNCTION void  * ROKEN_LIB_CALL
  73 dlopen(const char *, int);
  74
  75 ROKEN_LIB_FUNCTION DLSYM_RET_TYPE ROKEN_LIB_CALL
  76 dlsym(void *, const char *);
  77
  78 #ifdef __cplusplus
  79 } /* extern "C" */
  80 #endif
  81
  82 #endif  /* __dlfcn_h__ */