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#include <iostream> #include <pthread.h> #include <string> using namespace std; #define NUM_THREADS 5 #define BLACK "\033[0m" #define RED "\033[1;31m" #define GREEN "\033[1;32m" #define YELLOW "\033[1;33m" #define BLUE "\033[1;34m" #define CYAN "\033[1;36m" void* PrintAsciiText(void* id) { string colour; switch ((long)id) { case 0: colour = RED; break; case 1: colour = GREEN; break; case 2: colour = YELLOW; break; case 3: colour = BLUE; break; case 4: colour = CYAN; break; default: colour = BLACK; break; } cout << colour << "I'm a new thread, I'm number " << (long)id << BLACK << endl; pthread_exit(NULL); } int main() { pthread_t threads[NUM_THREADS]; for (long int i = 0; i < NUM_THREADS; ++i) { int t = pthread_create(&threads[i], NULL, PrintAsciiText, (void*)i); if (t != 0) { cout << "Error in thread creation: " << t << endl; } } return 0; }
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