Selecting, either closed or half open.

(gdb) cont
Continuing.
Watchpoint 4: master

Old value = {__fds_bits = {8, 0 <repeats 31 times>}}
New value = {__fds_bits = {520, 0 <repeats 31 times>}}
main (argc=1, argv=0xffffd9e4) at server.c:120
(gdb) cont
Continuing.
^C
Program received signal SIGINT, Interrupt.
0xf7e4fc31 in _itoa_word (value=0, buflim=0xffffd37f "8 \271\377\367\022", buflim@entry=0xffffd380 " \271\377\367\022", base=10, upper_case=0) at _itoa.c:179
(gdb) cont
Continuing.
/home/cheako/src/github/ihlt/src/ihlt: New connection from 127.0.0.1 on socket 8 index 9
Watchpoint 5: read_fds

Old value = {__fds_bits = {8, 0 <repeats 31 times>}}
New value = {__fds_bits = {520, 0 <repeats 31 times>}}
0x08048aaa in main (argc=1, argv=0xffffd9e4) at server.c:100
(gdb) cont
Continuing.
^C
Program received signal SIGINT, Interrupt.
0xf7ff39e4 in strcmp (p1=0xf7e1fffd "GLIBC_2.0", p2=0xf7e1fffd "GLIBC_2.0") at strcmp.c:42
cont
Continuing.
Continuing.
Continuing.
(gdb) Continuing.
Continuing.
Continuing.
^C
Program received signal SIGINT, Interrupt.
0xf7e7c238 in _IO_new_file_overflow (f=0x804b0f8, ch=105) at fileops.c:866
cont
Continuing.
Continuing.
Continuing.
(gdb) Continuing.
Continuing.
Error waiting for input.: Bad file descriptor
^C
Program received signal SIGINT, Interrupt.
0xf7e7cebc in __GI__IO_setb (f=f@entry=0x804b0f8, b=b@entry=0x0, eb=eb@entry=0x0, a=a@entry=0) at genops.c:403
cont
Continuing.
Continuing.
(gdb) Continuing.
Continuing.
Continuing.
Continuing.
[Inferior 1 (process 1035) exited with code 01]