menu "POSIX layer and C standard library"

config RT_USING_LIBC
    bool "Enable libc APIs from toolchain"
    default y

config RT_USING_PTHREADS
    bool "Enable pthreads APIs"
    default n

if RT_USING_PTHREADS
    config PTHREAD_NUM_MAX
    int "Maximum number of pthreads"
    default 8
endif

if RT_USING_LIBC && RT_USING_DFS
    config RT_USING_POSIX
        bool "Enable POSIX layer for compatibility with UNIX APIs, poll/select etc"
        select RT_USING_DFS_DEVFS
        default y

    if RT_USING_POSIX
        config RT_USING_POSIX_MMAP
            bool "Enable mmap() API"
            default n

        config RT_USING_POSIX_TERMIOS
            bool "Enable termios APIs"
            default n

        config RT_USING_POSIX_GETLINE
            bool "Enable getline()/getdelim() APIs"
            default n

        config RT_USING_POSIX_AIO
            bool "Enable AIO"
            default n
    endif

endif

if RT_USING_LIBC
    config RT_USING_MODULE
        bool "Enable dynamic module with dlopen/dlsym/dlclose feature"
        default n

    if RT_USING_MODULE
    config RT_USING_CUSTOM_DLMODULE
        bool "Enable load dynamic module by custom"
        default n
    endif

endif

if RT_USING_LIBC != y
    config RT_LIBC_USING_TIME
    bool "Enable time functions without compiler's libc"
    default y
endif

config RT_LIBC_FIXED_TIMEZONE
    depends on (RT_LIBC_USING_TIME || RT_USING_LIBC)
    int "Manually set a fixed time zone (UTC+)"
    range -12 12
    default 8

endmenu