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| #include <pthread.h>
#include <stdio.h>
#include <sched.h>
#include <sys/types.h>
// Number of CPUS
int n_cpus = 2;
int n_threads = 2;
int thread_counter = 0;
void *thread_func(void *thread_id)
{
cpu_set_t cpuset;
int threadnum = (int) thread_id;
CPU_ZERO(&cpuset);
CPU_SET(threadnum % n_cpus, &cpuset);
CPU_CLR(1, &cpuset);
sched_setaffinity(0, sizeof (cpuset), &cpuset);
printf("Thread %d: Hello World!\n", threadnum);
return (void*)NULL;
}
void *thread_func1(void *thread_id)
{
cpu_set_t cpuset;
int threadnum = (int) thread_id;
CPU_ZERO(&cpuset);
CPU_SET(threadnum % n_cpus, &cpuset);
CPU_CLR(1, &cpuset);
sched_setaffinity(0, sizeof (cpuset), &cpuset);
printf("Thread %d: Hello World!\n", threadnum);
return (void*)NULL;
}
//
// main func
//
int main(int argc, char* argv[])
{
int threadnum;
int i;
printf("Main process: Hello world!\n");
pthread_t thread;
pthread_attr_t thread_attr;
pthread_attr_init(&thread_attr);
threadnum = 0;
pthread_create(&thread, &thread_attr, thread_func, (void *)threadnum);
threadnum = 1;
pthread_create(&thread, &thread_attr, thread_func, (void *)threadnum);
return 0;
} |
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