kmod.h 1.7 KB

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  1. #ifndef __LINUX_KMOD_H__
  2. #define __LINUX_KMOD_H__
  3. /*
  4. * include/linux/kmod.h
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19. */
  20. #include <linux/umh.h>
  21. #include <linux/gfp.h>
  22. #include <linux/stddef.h>
  23. #include <linux/errno.h>
  24. #include <linux/compiler.h>
  25. #include <linux/workqueue.h>
  26. #include <linux/sysctl.h>
  27. #define KMOD_PATH_LEN 256
  28. #ifdef CONFIG_MODULES
  29. extern char modprobe_path[]; /* for sysctl */
  30. /* modprobe exit status on success, -ve on error. Return value
  31. * usually useless though. */
  32. extern __printf(2, 3)
  33. int __request_module(bool wait, const char *name, ...);
  34. #define request_module(mod...) __request_module(true, mod)
  35. #define request_module_nowait(mod...) __request_module(false, mod)
  36. #define try_then_request_module(x, mod...) \
  37. ((x) ?: (__request_module(true, mod), (x)))
  38. #else
  39. static inline int request_module(const char *name, ...) { return -ENOSYS; }
  40. static inline int request_module_nowait(const char *name, ...) { return -ENOSYS; }
  41. #define try_then_request_module(x, mod...) (x)
  42. #endif
  43. #endif /* __LINUX_KMOD_H__ */