PD_CLOEXEC
p = pdrfork_thread(&pfd, PD_CLOEXEC | (*sa)->sa_pdflags,
if (flags & PD_CLOEXEC)
#define PD_ALLOWED_AT_FORK (PD_DAEMON | PD_CLOEXEC)
dangle_pid = pdfork(&pd, PD_CLOEXEC | PD_DAEMON);
switch ((pid = pdfork(&pd, PD_CLOEXEC))) {