OPEN_MAX
if (nfds < 1 || nfds > OPEN_MAX) {
#define NOFILE OPEN_MAX /* max open files per process (soft) */
sysconf_row(OPEN_MAX)
posix_constant_row(OPEN_MAX)
} sstack[OPEN_MAX];
if (ssp >= OPEN_MAX - 1) {
#ifndef OPEN_MAX
rlim_t rlim_nofile_cur = OPEN_MAX;
rlim_nofile_cur = OPEN_MAX;