1 /** Test whether DRD recognizes LinuxThreads as LinuxThreads and NPTL as 2 * NPTL. 3 */ 4 5 6 #include <pthread.h> 7 #include <semaphore.h> 8 #include <unistd.h> 9 10 11 static pid_t s_main_thread_pid; 12 13 14 void* thread_func(void* arg) 15 { 16 if (s_main_thread_pid == getpid()) 17 { 18 write(STDOUT_FILENO, "NPTL or non-Linux POSIX threads implementation detected.\n", 57); 19 } 20 else 21 { 22 write(STDOUT_FILENO, "Detected LinuxThreads as POSIX threads implementation.\n", 55); 23 } 24 return 0; 25 } 26 27 int main(int argc, char** argv) 28 { 29 pthread_t threadid; 30 31 s_main_thread_pid = getpid(); 32 pthread_create(&threadid, 0, thread_func, 0); 33 pthread_join(threadid, 0); 34 return 0; 35 } 36
