 Themis Demetriades
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1ca9d09512
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Update exit () syscall to print correct termination message
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2024-11-06 23:01:10 +00:00 |
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Themis Demetriades
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b2764cfa0c
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Revert setup_stack pointer decrement 'hack' faking stack initialization
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2024-11-06 22:46:11 +00:00 |
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Themis Demetriades
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4020a140d2
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Fix removal of 'timer.h' include needed for calling timer_sleep in process module
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2024-11-06 22:36:43 +00:00 |
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Themis Demetriades
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b0c1923d44
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Update stack argument initialization behaviour to terminate creation of process on failing memory allocations
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2024-11-06 12:28:58 +00:00 |
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Themis Demetriades
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b4c41b0a6a
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Remove superfluous include in process.c
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2024-11-04 12:57:29 +00:00 |
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Themis Demetriades
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2a890d5bd2
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Reformat calculation of padding size in stack set-up to increase clarity
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2024-11-04 12:54:18 +00:00 |
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Themis Demetriades
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6c6ce77824
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Implement complete stack initialization for user processes, without accounting for overflow
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2024-11-04 01:11:19 +00:00 |
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Themis Demetriades
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6f9c911ebe
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Update start_process to pad process stack before pushing argv elements for performance
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2024-11-04 00:19:36 +00:00 |
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Themis Demetriades
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62d2cb54e5
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Update start_process to push pointers to process arguments onto the process thread's stack
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2024-11-04 00:16:04 +00:00 |
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Themis Demetriades
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92c681ff02
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Reformat start_process stack initialization code to follow style
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2024-11-04 00:04:08 +00:00 |
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Themis Demetriades
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34d6c15d73
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Update start_process to push process argument values to its thread's stack
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2024-11-04 00:00:56 +00:00 |
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Themis Demetriades
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e26b11cce6
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Update setup_stack skeleton to fake minimal stack set-up for testing purposes
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2024-11-03 18:04:42 +00:00 |
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Themis Demetriades
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eb458efa59
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Update process_wait skeleton to loop infinitely for testing purposes
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2024-11-03 17:38:38 +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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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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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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Themis Demetriades
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7aec2e6862
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Refactor donate_priority to include comments explaining its purpose and logic w/ S
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2024-10-22 21:15:30 +01:00 |
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Themis Demetriades
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48104b3a41
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Refactor cond_signal to add comment clarifying the logic w/ S
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2024-10-22 20:57:18 +01:00 |
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Themis Demetriades
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6983ccdd3b
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Update thread_get_priority description comment to be more specific w/ S
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2024-10-22 20:41:44 +01:00 |
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Themis Demetriades
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fc1691f994
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Refactor thread.h to remove superfluous thread priority comparison function w/ S
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2024-10-22 20:36:37 +01:00 |
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Themis Demetriades
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21cbfc9fe0
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Implement transfer of orphaned donors when releasing lock w/ S
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2024-10-22 20:06:21 +01:00 |
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Themis Demetriades
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a19d40bcca
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Reformat priority_more to obey code style
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2024-10-22 19:01:55 +01:00 |
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Themis Demetriades
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f10514f4cc
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Update priority_more comment description to specify which list_elem member it is compatible with
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2024-10-22 18:59:19 +01:00 |
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Themis Demetriades
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dae5b0d097
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Update semaphore priority scheduling to use linear search on unordered list w/ S
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2024-10-20 22:50:31 +01:00 |
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Themis Demetriades
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840df8af78
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Fix bug in donate_priority that wouldn't update the list of donors w/ S
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2024-10-20 22:29:20 +01:00 |
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Themis Demetriades
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afcb12cef0
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Reformat thread priority changing functions to follow style w/ S
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2024-10-20 20:38:28 +01:00 |
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Themis Demetriades
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8e20884a23
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Update releasing of locks to update donation information w/ S
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2024-10-20 20:17:27 +01:00 |
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Themis Demetriades
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ee0cf632b9
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Fix attempt to donate priority within lock acquisition w/ S
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2024-10-20 19:45:05 +01:00 |
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Themis Demetriades
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f98e4bc81c
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Update lock_acquire to attempt donation of priorities, w/ S
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2024-10-20 19:20:26 +01:00 |
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Themis Demetriades
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fcc8cbb71e
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Implement initialization of new threads to track donation information, w/ S
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2024-10-20 17:11:44 +01:00 |
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Themis
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6b9b671368
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Update sema_up to properly yield during execution of an interrupt handler
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2024-10-17 20:01:55 +01:00 |
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Themis
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711efdc78a
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Implement priority scheduling for condition variables
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2024-10-17 19:43:35 +01:00 |
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Themis Demetriades
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c32a69a368
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Update repository settings to ignore shell scripts
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2024-10-15 17:00:02 +01:00 |
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Themis Demetriades
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163b7f9016
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Update setting of priority of threads to only yield when current thread's priority has been lowered
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2024-10-15 15:38:31 +01:00 |
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Themis Demetriades
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3c1a26b668
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Update setting of thread priorities to yield in case a higher priority thread requires control
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2024-10-15 15:14:05 +01:00 |
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Themis Demetriades
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54b46806ba
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Update thread creation to yield thread in case it's no longer the highest priority
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2024-10-15 15:12:01 +01:00 |
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Themis Demetriades
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6855a48603
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Update semaphore code to wake highest priority thread, and run if required
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2024-10-15 13:53:48 +01:00 |
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Themis Demetriades
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79061fcb9b
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Update thread module to maintain list of ready threads in descending order of priority
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2024-10-15 13:51:41 +01:00 |
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Themis Demetriades
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d4d5a7a937
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Update thread_priority_greater function signature to explicitly signal unused parameter
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2024-10-15 12:01:03 +01:00 |
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Themis Demetriades
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f1fa7d2ffb
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Reformat thread_priority_greater to fit code style
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2024-10-15 11:51:40 +01:00 |
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Themis Demetriades
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1821d73b09
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Add comparison function for thread list elements based on thread priority
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2024-10-15 11:50:04 +01:00 |
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Themis Demetriades
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4ed64cf173
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Add guard in thread_set_priority ensuring priority values are within correct range
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2024-10-15 10:47:38 +01:00 |
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