Modules/_ctypes/darwin/dlfcn.h

   1 /*
   2 Copyright (c) 2002 Jorge Acereda  <jacereda@users.sourceforge.net> &
   3                    Peter O'Gorman <ogorman@users.sourceforge.net>
   4
   5 Portions may be copyright others, see the AUTHORS file included with this
   6 distribution.
   7
   8 Maintained by Peter O'Gorman <ogorman@users.sourceforge.net>
   9
  10 Bug Reports and other queries should go to <ogorman@users.sourceforge.net>
  11
  12 Permission is hereby granted, free of charge, to any person obtaining
  13 a copy of this software and associated documentation files (the
  14 "Software"), to deal in the Software without restriction, including
  15 without limitation the rights to use, copy, modify, merge, publish,
  16 distribute, sublicense, and/or sell copies of the Software, and to
  17 permit persons to whom the Software is furnished to do so, subject to
  18 the following conditions:
  19
  20 The above copyright notice and this permission notice shall be
  21 included in all copies or substantial portions of the Software.
  22
  23 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 */
  31 #ifndef _DLFCN_H_
  32 #define _DLFCN_H_
  33
  34 #include <AvailabilityMacros.h>
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40
  41 /*
  42  * Structure filled in by dladdr().
  43  */
  44
  45 typedef struct dl_info {
  46         const char      *dli_fname;     /* Pathname of shared object */
  47         void            *dli_fbase;     /* Base address of shared object */
  48         const char      *dli_sname;     /* Name of nearest symbol */
  49         void            *dli_saddr;     /* Address of nearest symbol */
  50 } Dl_info;
  51
  52
  53 #if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_2
  54 #warning CTYPES_DARWIN_DLFCN
  55 #define CTYPES_DARWIN_DLFCN
  56 extern void * (*ctypes_dlopen)(const char *path, int mode);
  57 extern void * (*ctypes_dlsym)(void * handle, const char *symbol);
  58 extern const char * (*ctypes_dlerror)(void);
  59 extern int (*ctypes_dlclose)(void * handle);
  60 extern int (*ctypes_dladdr)(const void *, Dl_info *);
  61 #else
  62 extern void * dlopen(const char *path, int mode);
  63 extern void * dlsym(void * handle, const char *symbol);
  64 extern const char * dlerror(void);
  65 extern int dlclose(void * handle);
  66 extern int dladdr(const void *, Dl_info *);
  67 #endif
  68
  69 #define RTLD_LAZY       0x1
  70 #define RTLD_NOW        0x2
  71 #define RTLD_LOCAL      0x4
  72 #define RTLD_GLOBAL     0x8
  73 #define RTLD_NOLOAD     0x10
  74 #define RTLD_NODELETE   0x80
  75
  76 /* These are from the Mac OS X 10.4 headers */
  77 #define RTLD_NEXT       ((void *) -1)   /* Search subsequent objects. */
  78 #define RTLD_DEFAULT    ((void *) -2)   /* Use default search algorithm. */
  79
  80 #ifdef __cplusplus
  81 }
  82 #endif
  83
  84 #endif /* _DLFCN_H_ */