sBubshait
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f13fd435cd
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Merge remote-tracking branch 'origin/vm/page-swap-synch' into vm/virtual-memory/saleh
# Conflicts:
# .gitlab-ci.yml
# src/Makefile.build
# src/threads/thread.c
# src/userprog/exception.c
# src/userprog/process.c
# src/vm/frame.c
# src/vm/page.c
# src/vm/page.h
# src/vm/stackgrowth.c
# src/vm/stackgrowth.h
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2024-12-05 02:21:53 +00:00 |
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EDiasAlberto
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ac31fb1e1e
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feat: set accessed bit to allocated frames in page_load and get_usr_kpage
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2024-12-05 01:41:23 +00:00 |
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sBubshait
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806d6bc19e
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Refactor: Move destroying mmap data into process_exit instead of thread
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2024-12-04 21:59:38 +00:00 |
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Themis Demetriades
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723055f485
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fix: only use lazy loading if VM flag is enabled
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2024-12-04 21:33:21 +00:00 |
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Themis Demetriades
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1e236a5c47
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Merge branch 'vm/lazy-loading' into vm/page-swap-synch
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2024-12-04 19:11:37 +00:00 |
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sBubshait
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941e1e067a
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Update SPT page entry to change type from EXECUTABLE to PAGE_FILE to capture mmaps in addition to executables
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2024-12-04 17:51:30 +00:00 |
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Themis Demetriades
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4bf6914cfa
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feat: incorporate lazy-loading data & helpers into supplemental page table
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2024-12-04 16:45:36 +00:00 |
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Themis Demetriades
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6f85d7642d
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feat: implement clock (second-chance) page eviction algorithm
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2024-11-30 22:40:13 +00:00 |
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sBubshait
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92d0b68243
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Fix: Avoid closing the file after loading segments to be able to lazily load from file without opening, w/ G
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2024-11-29 14:32:55 +00:00 |
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sBubshait
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801fd7d310
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Implement page fault for lazy loading executables, w/ G
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2024-11-28 20:03:50 +00:00 |
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sBubshait
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df20e0fdfe
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Update load_segment to load only the metadata of the pages to the SPT, w/ G
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2024-11-28 18:35:49 +00:00 |
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sBubshait
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97e6e0fb1e
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Add SPT Helper Functions: Insert, Get, Cleanup w/ G
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2024-11-28 18:18:52 +00:00 |
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Themis Demetriades
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1e6b90da0d
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Implement skeleton for swapping frames into disk
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2024-11-26 18:59:46 +00:00 |
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Themis Demetriades
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ea2725f606
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feat: implement frame table without thread safety
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2024-11-26 15:17:11 +00:00 |
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8567434231
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Use a single exit_status instead of two
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2024-11-15 17:28:04 +00:00 |
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2566948a32
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Implement hash table for child process results
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2024-11-15 16:45:04 +00:00 |
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sBubshait
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7daf4fb079
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Refactor process_exit to add more comments for readability
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2024-11-15 15:35:07 +00:00 |
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sBubshait
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a7f1d519da
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Refactor process_wait to add more comments and improve readability
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2024-11-15 15:09:24 +00:00 |
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sBubshait
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0f1bce2e88
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Refactor process_init_stack to add asserts and comments
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2024-11-15 14:52:21 +00:00 |
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sBubshait
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f4c900e56c
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Refactor process.c for comments, clarity and readability
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2024-11-15 14:37:38 +00:00 |
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Themis Demetriades
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eff0837fdc
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Update stack initialization code to handle all possible overflows and implement a user program to test this
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2024-11-15 13:35:58 +00:00 |
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Themis Demetriades
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5e2e7199f2
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Fix memory leak in start_process
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2024-11-14 21:03:55 +00:00 |
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Themis Demetriades
|
e4036c715f
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Refactor start_process to hold file system lock for less time
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2024-11-14 16:05:15 +00:00 |
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Themis Demetriades
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3a46e0f73a
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Update user proc stack initialization comments to be more helpful
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2024-11-14 15:54:34 +00:00 |
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Themis Demetriades
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8821851459
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Refactor process_execute to remove use of 'goto'
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2024-11-14 14:42:26 +00:00 |
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Themis Demetriades
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1a2ff35231
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Refactor process_execute to pass process start data as a local reference rather than perform memory allocation on the heap
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2024-11-14 14:32:48 +00:00 |
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f5e498e0a9
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explicit thread_exit () when process_start () fails
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2024-11-13 21:58:41 +00:00 |
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d02b956221
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Merge branch 'system-calls' into 'userprog-oom'
Add Fixes to Memory Leaks, Memory Access Validation, Synchronised Processes and Refactoring
See merge request lab2425_autumn/pintos_22!38
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2024-11-13 19:20:19 +00:00 |
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e7cb16b301
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Fix child_results loop accessing next after free()
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2024-11-13 18:29:05 +00:00 |
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sBubshait
|
4f586bb4da
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Fix Bug: Free all entries in the fd hashtable when the process exits, w/ E
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2024-11-13 17:42:25 +00:00 |
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005791edd2
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Synchronise process_execute return with child process load
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2024-11-13 11:05:09 +00:00 |
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dd979f34c8
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Fix syn-read, syn-write, and always free elements from donors_list
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2024-11-12 21:30:23 +00:00 |
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ca9d23edf9
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Always release filesys_lock when checking if file is valid in process_execute
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2024-11-12 20:07:51 +00:00 |
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Themis Demetriades
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d878dbc132
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Fix bug in userprog-merge where file writes were denied in the wrong thread
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2024-11-12 16:22:32 +00:00 |
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Themis Demetriades
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b0400693ae
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Update process_execute to acquire lock when checking if file exists
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2024-11-12 16:12:24 +00:00 |
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Themis Demetriades
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a69b9c808e
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Update start_process to acquire filesys lock when loading user process file
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2024-11-12 14:21:33 +00:00 |
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EDiasAlberto
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72afecfbda
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Add validation to check for missing files in exec() args
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2024-11-11 23:10:02 +00:00 |
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Themis Demetriades
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e8713e26c6
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Update variable references between conflicting merges to refer to the same data in stack initialization
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2024-11-11 22:51:19 +00:00 |
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Demetriades, Themis
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47c3657b65
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Merge branch 'process-wait' into 'userprog-merge'
Fix race-condition in process result (memory leak), fix infinite loop in donors_list
See merge request lab2425_autumn/pintos_22!33
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2024-11-11 22:24:39 +00:00 |
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Demetriades, Themis
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4eafdf10ba
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Merge branch 'read-only-exec' into 'userprog-merge'
Combine syscall code with final stack initialization code
See merge request lab2425_autumn/pintos_22!32
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2024-11-11 22:23:20 +00:00 |
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Themis Demetriades
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14a4841772
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Fix bug where size of file name buffer was less than maximum file name size
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2024-11-11 22:13:10 +00:00 |
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Themis Demetriades
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52fdd47e0c
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Fix race condition in the passing of data from thread executing process_execute to its child
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2024-11-11 21:51:38 +00:00 |
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Themis Demetriades
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049fc5559c
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Reformat stack initialization code to follow style for length and spacing
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2024-11-11 21:20:53 +00:00 |
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EDiasAlberto
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98a5818406
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add file_deny_write and file_allow_write to process creation and exiting to make executable read-only
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2024-11-11 17:55:24 +00:00 |
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18c884234d
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Fix race-condition in process result (memory leak), fix infinite loop in donors_list
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2024-11-11 17:35:49 +00:00 |
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Themis Demetriades
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b8d358ecb2
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Update stack initialization to handle overflow by allocating a second page for argument pointers
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2024-11-11 13:13:21 +00:00 |
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Themis Demetriades
|
8b2fc86b51
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Refactor process_init_stack to reduce code duplication
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2024-11-10 14:34:38 +00:00 |
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Themis Demetriades
|
324301e7b3
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Update process_execute function comment to reflect new function arguments
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2024-11-10 13:43:22 +00:00 |
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Themis Demetriades
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0ac46db2e4
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Refactor process initialization to obtain name of process file in process_execute
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2024-11-10 13:41:08 +00:00 |
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Themis Demetriades
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795d81b7ad
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Update process_init_tack saveptr argument name to cmd_savetpr for clarity
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2024-11-10 11:33:29 +00:00 |
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