def set_page_table(self, page, pageFrameIndex,
vectora): #change name later pls
MemoryManagementA.set_mgmt(pageFrameIndex, self.mypid)
# for each row of the page table
for i in range(self.page_table.shape[0]):
if self.page_table[i][0] == -1:
self.page_table[i][0] = pageFrameIndex
self.page_frame_vectors[i] = vectora
self.available_space += 1
break
def __init__(self, initialNbrOfPages):
self.page_table = np.zeros(shape=(initialNbrOfPages, 1), dtype='int64')
self.page_frame_vectors = [0] * initialNbrOfPages
# Set initial value to page table indexs to -1
for i in range(self.page_table.shape[0]):
self.page_table[i][0] = -1 # is marked available
self.available_space = initialNbrOfPages
self.mypid = Process.get_pid()
MemoryManagementA.register_process(self)
def get_mem(cls, pid, nbrPages):
mem_list = []
alist = MemoryManagementA.find_free_space(
pid, nbrPages) # returns a list of pageFrames
if len(alist) > 0:
for pageFrameIndex in alist:
vectora = MemoryA.memory[pageFrameIndex, :]
tuplea = (pageFrameIndex, vectora
) # vectora is a POINTER to memory
mem_list.append(tuplea)
return mem_list # mem_list is a list of tuples
import numpy as np
import sys
# sys.path.append('/Users/quentincurteman/Google Drive File Stream/My Drive/William Jessup/Fall 2018/Operating Systems/CS355')
from memory.memmgmt import MemoryManagementA
from memory.memmgr import MemoryA
from process.processx import Process
pp = Process(4)
print('***** before loading *****')
pp.print_mgmt()
MemoryA.print_mem()
MemoryManagementA.print_management()
print('**************************')
alist = [0, 1]
pp.load_pages(alist, 2)
print('***** after loading *****')
pp.print_mgmt()
MemoryA.print_mem()
MemoryManagementA.print_management()
print('**************************')
def printAll(astring, process):
print(" ********* start: ", astring, '*********')
process.print_mgmt()
MemoryA.print_mem()
MemoryManagementA.print_management()
print(" *********** end: ", astring, '***********\n')