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Multiple updates on sleeping, vma dropping and thread suspend.

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- Updated sleeping paths such that a task is atomically put into
  a runqueue and made RUNNABLE, or removed from a runqueue and made SLEEPING.
- Modified vma dropping sources to handle both copy_on_write() and exit() cases
  in a common function.
- Added the first infrastructure to have a pager to suspend a task and wait for
  suspend completion from the scheduler.
This commit is contained in:
Bahadir Balban
2008-10-13 12:22:10 +03:00
parent f6d0a79298
commit 0db0f7e334
23 changed files with 416 additions and 200 deletions
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2
tasks/libl4/include/l4lib/ipcdefs.h
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@@ -59,6 +59,6 @@
#define L4_IPC_TAG_PAGER_CLOSE 44 /* Pager notifies vfs of file close */
#define L4_IPC_TAG_PAGER_UPDATE_STATS 45 /* Pager updates file stats in vfs */
#define L4_IPC_TAG_NOTIFY_FORK 46 /* Pager notifies vfs of process fork */
#define L4_IPC_TAG_NOTIFY_EXIT 46 /* Pager notifies vfs of process exit */
#define L4_IPC_TAG_NOTIFY_EXIT 47 /* Pager notifies vfs of process exit */
#endif /* __IPCDEFS_H__ */