(gdb) info threads
130 Thread 0x809c000 (LWP 100274) 0x2828a833 in read () from /lib/libc.so.6
129 Thread 0x809c500 (LWP 100368) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
128 Thread 0x809c600 (LWP 100369) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
127 Thread 0x809c700 (LWP 100371) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
126 Thread 0x809c800 (LWP 100374) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
...
67 Thread 0x81de400 (LWP 101244) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
66 Thread 0x81de500 (LWP 101248) 0x28289973 in poll () from /lib/libc.so.6
65 Thread 0x81de600 (LWP 101252) 0x28289973 in poll () from /lib/libc.so.6
...
23 Thread 0x8241000 (LWP 101964) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
22 Thread 0x8241100 (LWP 101965) 0x2828a4b3 in kill () from /lib/libc.so.6
21 Thread 0x8241200 (LWP 101966) 0x282884d3 in _umtx_op ()
from /lib/libc.so.6
...