dlfcn.h 1.8 KB

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  1. /* System dependent definitions for run-time dynamic loading.
  2. Copyright (C) 1996-2001, 2004 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #ifndef _DLFCN_H
  16. # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
  17. #endif
  18. /* The MODE argument to `dlopen' contains one of the following: */
  19. #define RTLD_LAZY 0x00001 /* Lazy function call binding. */
  20. #define RTLD_NOW 0x00002 /* Immediate function call binding. */
  21. #define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */
  22. #define RTLD_NOLOAD 0x00004 /* Do not load the object. */
  23. #if 0 /* uClibc doesnt support these */
  24. #define RTLD_DEEPBIND 0x00008 /* Use deep binding. */
  25. #endif
  26. /* If the following bit is set in the MODE argument to `dlopen',
  27. the symbols of the loaded object and its dependencies are made
  28. visible as if the object were linked directly into the program. */
  29. #define RTLD_GLOBAL 0x00100
  30. /* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL.
  31. The implementation does this by default and so we can define the
  32. value to zero. */
  33. #define RTLD_LOCAL 0
  34. /* Do not delete object when closed. */
  35. #define RTLD_NODELETE 0x01000