rt-thread-official/components/libc/Kconfig

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menu "POSIX layer and C standard library"
config RT_USING_LIBC
bool "Enable libc APIs from toolchain"
select RT_USING_HEAP
default n
if RT_USING_LIBC
config RT_LIBC_USING_TIME
default y
config RT_LIBC_USING_FILEIO
bool "Enable libc with file operation, eg.fopen/fwrite/fread/getchar"
select RT_USING_POSIX
select RT_USING_POSIX_DEVIO
default n
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_DEFAULT_TIMEZONE
depends on (RT_LIBC_USING_TIME || RT_USING_LIBC)
int "Set the default time zone (UTC+)"
range -12 12
default 8
config RT_USING_POSIX
bool "Enable basic POSIX layer, open()/read()/write()/close() etc"
select RT_USING_DFS
default n
if RT_USING_POSIX
config RT_USING_POSIX_DEVIO
bool "Enable devices as file descriptors"
select RT_USING_DFS
select RT_USING_DFS_DEVFS
default n
config RT_USING_POSIX_POLL
bool "Enable poll()"
select RT_USING_DFS
default n
config RT_USING_POSIX_SELECT
bool "Enable select()"
select RT_USING_DFS
select RT_USING_POSIX_POLL
default n
config RT_USING_POSIX_DELAY
bool "Enable delay APIs, sleep()/usleep()/msleep() etc"
default n
config RT_USING_POSIX_GETLINE
bool "Enable getline()/getdelim()"
default n
config RT_USING_POSIX_MMAP
bool "Enable mmap()"
select RT_USING_DFS
default n
config RT_USING_POSIX_TERMIOS
bool "Enable termios APIs"
default n
config RT_USING_POSIX_AIO
bool "Enable AIO APIs"
default n
endif
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
endmenu