workbench/libs/mesa/src/gallium/auxiliary/util/u_dl.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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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 #  define UTIL_DL_PREFIX ""
  39 #elif defined(PIPE_OS_APPLE)
  40 #  define UTIL_DL_EXT ".dylib"
  41 #  define UTIL_DL_PREFIX "lib"
  42 #else
  43 #  define UTIL_DL_EXT ".so"
  44 #  define UTIL_DL_PREFIX "lib"
  45 #endif
  46
  47
  48 struct util_dl_library;
  49
  50
  51 typedef void (*util_dl_proc)(void);
  52
  53
  54 /**
  55  * Open a library dynamically.
  56  */
  57 struct util_dl_library *
  58 util_dl_open(const char *filename);
  59
  60
  61 /**
  62  * Lookup a function in a library.
  63  */
  64 util_dl_proc
  65 util_dl_get_proc_address(struct util_dl_library *library,
  66                          const char *procname);
  67
  68
  69 /**
  70  * Close a library.
  71  */
  72 void
  73 util_dl_close(struct util_dl_library *library);
  74
  75
  76 /**
  77  * Return most recent error message.
  78  */
  79 const char *
  80 util_dl_error(void);
  81
  82
  83 #endif /* U_DL_H_ */