CTDP linux 程序员手册 C和C++编程（7）系统 POSIX 选项

（7）系统 POSIX 选项 POSIX.1 选项值 _SC_JOB_CONTROL _SC_S***ED_JOBS _SC_VERSION _SC_ARG_MAX _SC_CHILD_MAX _SC_CLK_TCK _SC_NGROUPS_MAX _SC_OPEN_MAX _SC_STREAM_MAX _SC_TZNAME_MAX

POSIX.4 选项值

_SC_ASYNCHRONOUS_IO

_SC_MAPPED_FILES

_SC_MEMLOCK

_SC_MEMLOCK_RANGE

_SC_MEMORY_PROTECTION

_SC_MESSAGE_PASSING

_SC_PRIORITIZED_IO

_SC_PRIORITY_SCHEDULING

_SC_REALTIME_SIGNALS

_SC_SEMAPHORES

_SC_FSYNC

_SC_SHARED_MEMORY_OBJECTS

_SC_SYNCHRONIZED_IO

_SC_TIMERS

_SC_AIO_LIST_IO_MAX

_SC_AIO_MAX

_SC_AIO_PRIO_DELTA_MAX

_SC_DELAYTIMER_MAX

_SC_MQ_OPEN_MAX

_SC_MQ_PRIO_MAX

_SC_PAGESIZE

_SC_RTSIG_MAX

_SC_SEM_NSEMS_MAX

_SC_SEM_VALUE_MAX

_SC_SIGQUEUE_MAX

_SC_TIMER_MAX