gdb output: Program received signal SIGSEGV, Segmentation fault. pthread_join (threadid=0, thread_return=0x7fffffffe040) at pthread_join.c:46 46 pthread_join.c: No such file or directory. in pthread_join.c (gdb) bt #0 pthread_join (threadid=0, thread_return=0x7fffffffe040) at pthread_join.c:46 #1 0x0000000000410fab in joinThread (th=0) at threading.h:18 #2 0x0000000000413270 in ranger (argc=32767, argv=0x7ffff584b910) at ranger.c:432 #3 0x000000000040a9e7 in main (argc=12, arg