// basic C11 threads example - Educational Use Only

// (C)2021 by Pegasus Epsilon <pegasus@pimpninjas.org>

//

// $ cc threads.c -lpthread -o threads

//

#include <threads.h> /* thrd_* */

#ifdef __STDC_NO_THREADS__

#error no threads

#endif

#include <stdio.h> /* printf() */

#include <stdlib.h> /* EXIT_SUCCESS */

int hello (void *arg) {

printf("Hello, World! This is thread ID #%lu!\n", *(long *)arg);

thrd_exit(EXIT_SUCCESS);

}

int main (void) {

thrd_t thread;

for (long i = 0; i < 20; i++)

thrd_create(&thread, &hello, &i);

thrd_join(thread, NULL);

return 0;

}