[질문] HP에서 스레드.. -_-

-D_POSIX_C_SOURCE=199506L 옵션을 넣으니 다음과 같은 에러가 나더군요. 혹시 뭘 추가로 정의해 줘야 하는 것은 아닌지요.

Error 419: "/usr/include/sys/procset.h", line 84 # 'id_t' is used as a type,
but has not been defined as a type.
id_t p_lid;
^^^^
Error 419: "/usr/include/sys/procset.h", line 91 # 'id_t' is used as a type,
but has not been defined as a type.
id_t p_rid;
^^^^
Error 419: "/usr/include/sys/procset.h", line 103 # 'id_t' is used as a type,
but has not been defined as a type.
extern int sigsend(idtype_t, id_t, int);
^^^^
Error 419: "/usr/include/sys/procset.h", line 113 # 'id_t' is used as a type,
but has not been defined as a type.
extern int sigsend(idtype_t, id_t, int);
^^^^
Error 419: "/usr/include/sys/pset.h", line 186 # 'spu_t' is used as a type,
but has not been defined as a type.
extern int pset_assign ( psetid_t pset, spu_t spu, psetid_t* opset)
^^^^^
Error 419: "/usr/include/sys/pset.h", line 188 # 'id_t' is used as a type, but
has not been defined as a type.
id_t id, psetid_t *opset);