Modify it so that they run 3 threads (instead of two) and each thread runs a different function, displaying a different message.
Try pthreads.cpp. Modify it so that they run 3 threads (instead of two) and each thread runs a different function, displaying a different message. Copy-and-paste the source code and the outputs in your report.
/*
pthreads_demo.cpp
A very simple example demonstrating the usage of pthreads.
Compile: g++ -o pthreads_demo pthreads_demo.cpp -lpthread
Execute: ./pthreads_demo
*/
#include <pthread.h>
#include <stdio.h>
using namespace std;
//The thread
void * thread_func (void *data)
{
char *tname = (char *) data;
printf("My thread identifier is %s\n", tname);
pthread_exit (0);
}
int main ()
{
pthread_t id1, id2; //thread identifiers
pthread_attr_t attr1, attr2; //set of thread attributes
char *tnames[2] = { "Thread 1", "Thread 2" }; //names of threads
//get the default attributes
pthread_attr_init (&attr1);
pthread_attr_init (&attr2);
//create the threads
pthread_create (&id1, &attr1, thread_func, tnames[0]);
pthread_create (&id2, &attr2, thread_func, tnames[1]);
//wait for the threads to exit
pthread_join (id1, NULL);
pthread_join (id2, NULL);
return 0;
}
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