src/gallium/auxiliary/util/u_dl.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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   6  * Permission is hereby granted, free of charge, to any person obtaining a
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  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  26  **************************************************************************/
  27
  28
  29 #ifndef U_DL_H_
  30 #define U_DL_H_
  31
  32
  33 #include "pipe/p_config.h"
  34
  35
  36 #if defined(PIPE_OS_WINDOWS)
  37 #  define UTIL_DL_EXT ".dll"
  38 #elif defined(PIPE_OS_APPLE)
  39 #  define UTIL_DL_EXT ".dylib"
  40 #else
  41 #  define UTIL_DL_EXT ".so"
  42 #endif
  43
  44
  45 struct util_dl_library;
  46
  47
  48 typedef void (*util_dl_proc)(void);
  49
  50
  51 /**
  52  * Open a library dynamically.
  53  */
  54 struct util_dl_library *
  55 util_dl_open(const char *filename);
  56
  57
  58 /**
  59  * Lookup a function in a library.
  60  */
  61 util_dl_proc
  62 util_dl_get_proc_address(struct util_dl_library *library,
  63                          const char *procname);
  64
  65
  66 /**
  67  * Close a library.
  68  */
  69 void
  70 util_dl_close(struct util_dl_library *library);
  71
  72
  73 /**
  74  * Return most recent error message.
  75  */
  76 const char *
  77 util_dl_error(void);
  78
  79
  80 #endif /* U_DL_H_ */