Homework Help is Here – Start Your Trial Now!
Engineering
Computer Science
ase write the code in

ase write the code in

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
See similar textbooks
icon
Related questions
Question
Operating system , Please write the code in C language.
Use hardware mechanism test and set or swap to solve synchronization for lab 4 exercise Lab 4 exercise : #include <stdio.h> #include <stdlib.h> #include <pthread.h> long long sum=0, num32000000; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *mySumFun (void *vargp) int step=* (int *) vargp; for (int i-0;i<num;i++) //pthread_mutex_lock (&mutex); sum+=step; // pthread_mutex_unlock (&mutex); return NULL; int main () pthread_t tidl,tid2; int stepl=1, step2=-l; pthread_create (&tidl, NULL, mySumFun, &stepl); pthread_create (&tid2, NULL, mySumFun, &step2); pthread_join (tid2, NULL); pthread_join (tidl, NULL); printf ("The sum is $1ld \n", sum); exit (0);
Transcribed Image Text:Use hardware mechanism test and set or swap to solve synchronization for lab 4 exercise Lab 4 exercise : #include <stdio.h> #include <stdlib.h> #include <pthread.h> long long sum=0, num32000000; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *mySumFun (void *vargp) int step=* (int *) vargp; for (int i-0;i<num;i++) //pthread_mutex_lock (&mutex); sum+=step; // pthread_mutex_unlock (&mutex); return NULL; int main () pthread_t tidl,tid2; int stepl=1, step2=-l; pthread_create (&tidl, NULL, mySumFun, &stepl); pthread_create (&tid2, NULL, mySumFun, &step2); pthread_join (tid2, NULL); pthread_join (tidl, NULL); printf ("The sum is $1ld \n", sum); exit (0);
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Hyperlinks
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
SEE MORE TEXTBOOKS