Do execution paths 3 and 4 encompass the first three conditions for a deadlock to occur?
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Do execution paths 3 and 4 encompass the first three conditions for a deadlock to occur?
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- Q2: Besides the while-loop in Q1, I want to implement a 2nd while-loop running in parallel with the first while: while(1) { wt(1); XX); } However, on an MCU there is no parallelism. (For ex., on Arduino I can define only one loop() function.) Write a single while that does the job of both whiles. (a) Write it in a procedural style. (b) Write it the super-loop style (state-machine with fixed heartbeat).In c++ if possible i have tried everything i can quite get it: Write a thread-safe logger implementation with interface: log(datetime timestamp, string severity, string message) that outputs lines to the console in the format: Timestamp [Severity] Message with the additional requirement that there must be a delay of at least 1 second before the line appears on the console. it must be: a. Exactly one line is printed to the console for each call to log. b. The call to log is non-blocking.Some applications require two types of accesses to the critical section-read access and write access. For these applications, it is reasonable for multiple read accesses to happen concurrently. However, a write access cannot happen concurrently with either a read access or a write access. Example: For a sequence [R1, R2, W1, R3] of requests, R1 and R2 should be able to access the critical section concurrently while W1 and R3 wait in the queue. Once R1 and R2 leave the critical section, W1 can enter the critical section while R3 waits in the queue. (a) Modify Lamport's algorithm for such applications. (b) Modify Ricart and Agrawala's algorithm for such applications.
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- This is some code in C for quicksort. The quicksort works correctly, but I am trying to implement multithreading. I am trying to run the recursive calls in parallel with a limit on how much threads can be running at one time (set by the global variable 'maximumThreads'). My logic is incorrect with managing how many threads can be ran at the same time. The part that I need you to look at is after the for loop in quick sort, where I have my logic for the mutex and the conditional variable. Right now when I run my code, the program runs indefinitely. I would like help with correctly implementing this part. #include <stdlib.h>#include <string.h>#include <pthread.h>#include <stdio.h>#define SORT_THRESHOLD 40typedef struct _sortParams {char** array;int left;int right;int* currentThreads;pthread_mutex_t* mutex;pthread_cond_t* cond_var} SortParams;static int maximumThreads; /* maximum # of threads to be used *//* This is an implementation of insert sort, which…This is some code in C for quicksort. The quicksort works correctly, but I am trying to implement multithreading. I am trying to run the recursive calls in parallel with a limit on how much threads can be running at one time (set by the global variable 'maximumThreads'). My logic is incorrect with managing how many threads can be ran at the same time. The part that I need you to look at is after the for loop in quick sort, where I have my logic for the mutex and the conditional variable. Right now when I run my code, the program runs without stopping. I would like help with correctly implementing this. #include <stdlib.h>#include <string.h>#include <pthread.h>#include <stdio.h>#define SORT_THRESHOLD 40typedef struct _sortParams {char** array;int left;int right;int* currentThreads;pthread_mutex_t* mutex;pthread_cond_t* cond_var} SortParams;static int maximumThreads; /* maximum # of threads to be used *//* This is an implementation of insert sort, which although…Abstract: the main purpose of this experiment is build real time system using PPI 8255 to control devices connected to. Problem description: assume that there are two devices are connected to port A and two sensors are connected to port B of PPI 8255. They work according to the following table Devices (DID2) 01 10 Sensors (S1S2) 00 01 10 11 11 00 Write a program to control these two devices according to the values of sensors. Each group should submit a zip file which contains the following files Code file: (assembly language code) - Simulation file Report (pdf file) (details of every single step in the code, also what have you learned from this experiment)