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Prepare to reimplement copy-on-write. previous commit stable.

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This commit is contained in:
Bahadir Balban
2008-03-01 15:15:36 +00:00
parent 4f346cea53
commit e2e6c89da2
5 changed files with 24 additions and 9 deletions
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11
tasks/mm0/include/task.h
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@@ -29,6 +29,13 @@ struct file_descriptor {
struct vm_file *vmfile;
};
struct proc_files {
struct vm_file *stackfile; /* ZI, private, devzero, then autogenerated */
struct vm_file *envfile; /* NON-ZI, private, autogenerated, then autogenerated */
struct vm_file *datafile; /* NON-ZI, private, real file, then autogenerated */
struct vm_file *bssfile; /* ZI private, devzero, then autogenerated */
};
/* Stores all task information that can be kept in userspace. */
struct tcb {
/* Task list */
@@ -63,8 +70,8 @@ struct tcb {
/* UTCB address */
unsigned long utcb_address;
/* Per-task environment file */
struct vm_file *env_file;
/* Task's private files */
struct proc_files proc_files;
/* Virtual memory areas */
struct list_head vm_area_list;