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_LIBC && RT_USING_DFS
    config RT_USING_POSIX
        bool "Enable POSIX layer for poll/select, stdin 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 feature"
        default n
    
    config RT_USING_POSIX_AIO
        bool "Enable AIO"
        default n
    endif

    if RT_USING_MODULE
    config RT_USING_LIBDL
        bool "Enable dlopen/dlsym/dlclose feature"
        default n
    endif
endif

config HAVE_SYS_SIGNALS
    bool "Toolchains/libc has sigval/sigevent structure definitions"
    default n
    help
        Toolchains/libc has sigval/sigevent/siginfo_t definitions.

endmenu