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
thread_func(void * arg)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
main(int argc,char ** argv)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