.
Thread 2 (process 9828):
#0  0x00002b3f7d1299c2 in select () from /lib/libc.so.6
#1  0x00002b3f83f366b7 in NotifierThreadProc (clientData=<value optimized out>) at /build/buildd/tcl8.4-8.4.14/unix/tclUnixNotfy.c:988
	tsdPtr = <value optimized out>
	readableMask = {__fds_bits = {128, 0 <repeats 15 times>}}
	writableMask = {__fds_bits = {0 <repeats 16 times>}}
	exceptionalMask = {__fds_bits = {0 <repeats 16 times>}}
	fds = {7, 8}
	i = <value optimized out>
	status = <value optimized out>
	numFdBits = 8
	receivePipe = 7
	found = <value optimized out>
	poll = {tv_sec = 0, tv_usec = 0}
	timePtr = (struct timeval *) 0x0
	buf = "@\t"
#2  0x00002b3f7c1d92a5 in start_thread () from /lib/libpthread.so.0
#3  0x00002b3f7d13061d in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()
.
Thread 1 (process 9823):
#0  0x00002b3f7d0c087d in fgets () from /lib/libc.so.6
#1  0x00002aaaaaaad4f9 in ?? ()
#2  0x656e2f656d6f682f in ?? ()
#3  0x63782e2f6e61786f in ?? ()
#4  0x7973782f32746168 in ?? ()
#5  0x00666e6f632e3273 in ?? ()
#6  0x0000000000000000 in ?? ()