C_pthreads

C with pthread exercises

EX 04:

In this exercise we have 8 threads, 4 for depositing random values and 4 to withdrawal operations. The max withdrawal is 20.0

EX 05:

Using pthread_cond_t

• pthread_cond_signal to sinalize to one thread about something that it was waiting for
• pthread_cond_broadcast to sinalize to all threads that were waiting for

EX 06:

Prod line simulator with 3 stages

• 1st stage: 5 threads producing A
• 2nd stage: 5 threads consuming A and generating B
• 3rd stage: 5 threads consuming B and generating C

Instructions: Keep 3 counters, c_A, c_B and c_C

PRJ1

This project meant to put in practice the concept of monitors solving the problem of the philosophers dinner.

EX 07:

This exercise meant to study the issue of the readers and writers. I also did a quick review on basic operations with linked lists.

Notes about callbacks

#include <stdio.h>

int sum(int a, int b)
{
    return a+b;
}

int sub(int a, int b)
{
    return a-b;
}

int calc(int (*f)(int, int), int a, int b)
{
    return f(a, b);
}

int main(void)
{
    printf("sum 15 + 16 == %d\n", calc(sum, 15, 16));
    printf("sub 15 - 16 == %d\n", calc(sub, 15, 16));

    return 0;
}

EX 08

Playing with signal()