sBubshait
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8f82f9d747
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Fix Bug in fd_counter initialisation when USERPROG is not defined
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2024-11-15 16:57:16 +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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6b1dbdd34f
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Update thread and syscall to use local fd counter instead global one, preventing overflow
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2024-11-15 15:48:56 +00:00 |
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sBubshait
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6a1d10a19b
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Refactor synch to follow PintOS curly braces indentation style in if statements
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2024-11-15 13:51:10 +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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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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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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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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EDiasAlberto
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5b1e4b561b
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merge process-wait
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2024-11-11 15:50:21 +00:00 |
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sBubshait
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115c650c55
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Fix Bug in thread initialisation: only init hash if USERPROG is defined
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2024-11-08 19:10:42 +00:00 |
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EDiasAlberto
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92e93b8060
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Implement syscall for file opening and refactor open_files initialisation in thread.c w/ S.
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2024-11-08 15:33:47 +00:00 |
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sBubshait
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5bd94894e0
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Update thread structure to add a hash table of open files and initialise it, w/ E
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2024-11-08 15:13:04 +00:00 |
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6ed1ccd21e
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Fix process_result locking by acquiring in process_wait as well to prevent freeing memory too early
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2024-11-08 10:50:10 +00:00 |
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84fe637c7e
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Remove process_result lock since it is an invalid solution
TODO : synchronise process_result in another way
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2024-11-08 09:16:18 +00:00 |
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fde70dcf59
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Implement process_wait.
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2024-11-08 03:56:15 +00:00 |
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7349b4e66f
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Fix typo list_insert -> list_push_back for thread.child_results
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2024-11-08 03:55:34 +00:00 |
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ec8547aec9
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Implement creation of process results
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2024-11-08 03:31:48 +00:00 |
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ddcd59fdf8
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Add child and own process result information to struct thread
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2024-11-08 03:30:58 +00:00 |
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Dias Alberto, Ethan
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5535cbae24
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Merge branch 'master' into 'system-calls'
Merge refactor and removal of duplicated code into section-specific branch
See merge request lab2425_autumn/pintos_22!25
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2024-11-06 16:45:53 +00:00 |
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sBubshait
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91cef4d650
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Refactor lock release and sema up to remove unnecessary code
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2024-11-06 15:36:56 +00:00 |
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sBubshait
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2dccd87a76
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Update thread to add exit_status, intialised to -1, into the thread structure, w/ E
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2024-11-05 22:38:09 +00:00 |
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Themis Demetriades
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4066354f8a
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Refactor thread_create () to call thread_get_priority in order to retrieve priority
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2024-10-25 17:03:18 +01:00 |
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sBubshait
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c2414ec54d
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Add priority_less for comparing threads based on priority and Refactor sema up to use list_max for clarity
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2024-10-25 16:04:55 +01:00 |
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sBubshait
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30ab3ae861
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Update thread_create to only yield CPU to the new thread if necessary
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2024-10-25 15:47:19 +01:00 |
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sBubshait
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81309dcda9
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Refactor sema_up to follow PintOS styling of if statements
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2024-10-25 15:44:56 +01:00 |
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6e072a557f
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Allow priority donation with BSD scheduler.
- Recalculate priority with donations after BSD priority updates
- Remove mlfqs checks from lock_acquire
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2024-10-25 14:03:55 +01:00 |
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093c6efd30
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Re-sort ready_list when priorities update + PRI_UPDATE_FREQ
- PRI_UPDATE_FREQ is a separate value from TIME_SLICE, they just
happen to be set the same.
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2024-10-25 09:13:27 +01:00 |
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EDiasAlberto
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b88baede64
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rename recent_cpu update function
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2024-10-24 22:45:49 +01:00 |
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EDiasAlberto
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7d196ffc57
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adjust spacing around brackets to fit styling conventions
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2024-10-24 22:30:38 +01:00 |
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EDiasAlberto
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39f4edd5e6
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remove unnecessary curly brace in thread_tick ()
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2024-10-24 22:09:28 +01:00 |
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EDiasAlberto
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60acc2e58d
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refactor thread_mlfqs checks in synch.c
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2024-10-24 21:46:39 +01:00 |
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EDiasAlberto
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a6a0c4ad25
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remove empty lines in thread.c
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2024-10-24 20:47:30 +01:00 |
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EDiasAlberto
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74657bbf9c
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reorder init_thread for clarity
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2024-10-24 20:34:44 +01:00 |
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EDiasAlberto
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0b230131f1
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refactor thread struct to keep all changes together
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2024-10-24 20:17:39 +01:00 |
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EDiasAlberto
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49a9284f02
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refactor fixed-point.h to match style standards
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2024-10-24 20:16:40 +01:00 |
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EDiasAlberto
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20be75748c
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replace thread_mlfqs checks in priority calculations with assertions
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2024-10-23 19:57:17 +01:00 |
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EDiasAlberto
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d8c843f16a
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add mlfqs condition checking in synchronisation primitives
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2024-10-23 19:37:27 +01:00 |
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EDiasAlberto
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1fb101c365
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remove repeated comparator and reorder thread_init operations
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2024-10-23 18:56:48 +01:00 |
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EDiasAlberto
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c357126cc1
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fix missing curly brace
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2024-10-23 17:51:48 +01:00 |
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Dias Alberto, Ethan
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ed11c61f87
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Merge branch 'master' into 'BSD-merged', fixing merge conflicts
# Conflicts:
# src/threads/thread.c
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2024-10-23 16:30:24 +00:00 |
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Themis Demetriades
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95386971e2
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Update lock_release to disable interrupts in critical sections w/ S
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2024-10-23 16:45:42 +01:00 |
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sBubshait
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4879775d0b
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Update donate priority to add an assertion that intrrupts are disabled, w/ T
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2024-10-23 16:32:40 +01:00 |
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sBubshait
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6223846fde
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Update lock_acquire to disable interrupts to eliminate race-conditions, w/ T
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2024-10-23 16:30:38 +01:00 |
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Themis Demetriades
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f9d82c92de
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Update thread_recalculate_priority to disable interrupts preventing race conditions for access to donors and priorities w/ S
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2024-10-23 16:16:25 +01:00 |
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Themis Demetriades
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5f8dea21be
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Fix donate_priority to disable interrupts for entire update of possibly-ready donatee's priority
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2024-10-23 14:10:48 +01:00 |
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Themis Demetriades
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b0074c80f0
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Refactor ready_list_reinsert to require being called with interrupts disabled
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2024-10-23 13:51:07 +01:00 |
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Themis Demetriades
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2cd4da17a4
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Refactor donate_priority to only allow for the current thread to donate its priority
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2024-10-23 13:42:36 +01:00 |
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Themis Demetriades
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a875d5fcb4
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Update donate_priority to only attempt to sort position of the donee that isn't waiting for a lock
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2024-10-23 13:37:43 +01:00 |
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sBubshait
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d82176a2e2
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Refactor lock release to follow PintOS indent style and use list functoins, w/ T
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2024-10-22 22:52:29 +01:00 |
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