_POSIX_MESSAGE_PASSING - DragonflyBSD

Symbol: _POSIX_MESSAGE_PASSING

lib/libc/gen/sysconf.c

return (_POSIX_MESSAGE_PASSING);

sys/kern/kern_p1003_1b.c

p31b_setcfg(CTL_P1003_1B_MESSAGE_PASSING, _POSIX_MESSAGE_PASSING);