/* close all open file descriptors, check /proc/self/fd to only
* call close on open fds. Exclude fds 0, 1 and 2*/
for (fd = getdtablesize(); fd > 2; fd-- ) {
/* close all open file descriptors, check /proc/self/fd to only
* call close on open fds. Exclude fds 0, 1 and 2*/
for (fd = getdtablesize(); fd > 2; fd-- ) {