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Made changes to have shared tcb parts in fs0 in preparation for clone()

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fs_data and files structures can now be shared in the vfs task.
Currently no means to free shared structures in tcb destruction. Need to add that.
This commit is contained in:
Bahadir Balban
2008-11-09 10:07:24 +02:00
parent 5468c1833d
commit 63fb907cd0
13 changed files with 189 additions and 78 deletions
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12
tasks/mm0/include/task.h
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@@ -15,7 +15,7 @@
#include <lib/addr.h>
#include <l4/api/kip.h>
#define __TASKNAME__ __PAGERNAME__
#define __TASKNAME__ __PAGERNAME__
#define TASK_FILES_MAX 32
@@ -24,12 +24,10 @@
#define DEFAULT_STACK_SIZE SZ_16K
#define DEFAULT_UTCB_SIZE PAGE_SIZE
enum tcb_create_flags {
TCB_NO_SHARING = 0,
TCB_SHARED_VM = 1,
TCB_SHARED_FILES = 2,
};
#define TCB_NO_SHARING 0
#define TCB_SHARED_VM (1 << 0)
#define TCB_SHARED_FILES (1 << 1)
#define TCB_SHARED_FS (1 << 2)
struct vm_file;