init_task.c 1.2 KB

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  1. /*
  2. * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,intel.linux}.com)
  3. * Licensed under the GPL
  4. */
  5. #include "linux/sched.h"
  6. #include "linux/init_task.h"
  7. #include "linux/fs.h"
  8. #include "linux/module.h"
  9. #include "linux/mqueue.h"
  10. #include "asm/uaccess.h"
  11. static struct fs_struct init_fs = INIT_FS;
  12. struct mm_struct init_mm = INIT_MM(init_mm);
  13. static struct files_struct init_files = INIT_FILES;
  14. static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
  15. static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  16. EXPORT_SYMBOL(init_mm);
  17. /*
  18. * Initial task structure.
  19. *
  20. * All other task structs will be allocated on slabs in fork.c
  21. */
  22. struct task_struct init_task = INIT_TASK(init_task);
  23. EXPORT_SYMBOL(init_task);
  24. /*
  25. * Initial thread structure.
  26. *
  27. * We need to make sure that this is aligned due to the
  28. * way process stacks are handled. This is done by having a special
  29. * "init_task" linker map entry..
  30. */
  31. union thread_union init_thread_union
  32. __attribute__((__section__(".data.init_task"))) =
  33. { INIT_THREAD_INFO(init_task) };
  34. union thread_union cpu0_irqstack
  35. __attribute__((__section__(".data.init_irqstack"))) =
  36. { INIT_THREAD_INFO(init_task) };