zephyr/lib/posix/Kconfig

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# Copyright (c) 2018 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
source "lib/posix/getopt/Kconfig"
config POSIX_MAX_FDS
int "Maximum number of open file descriptors"
default 16 if POSIX_API
default 4
help
Maximum number of open file descriptors, this includes
files, sockets, special devices, etc.
config POSIX_API
depends on !ARCH_POSIX
bool "POSIX APIs"
help
Enable mostly-standards-compliant implementations of
various POSIX (IEEE 1003.1) APIs.
config PTHREAD_IPC
bool "POSIX pthread IPC API"
default y if POSIX_API
depends on POSIX_CLOCK
help
This enables a mostly-standards-compliant implementation of
the pthread mutex, condition variable and barrier IPC
mechanisms.
if PTHREAD_IPC
config MAX_PTHREAD_COUNT
int "Maximum simultaneously active pthread count in POSIX application"
default 5
range 0 255
help
Maximum number of simultaneously active threads in a POSIX application.
config SEM_VALUE_MAX
int "Maximum semaphore limit"
default 32767
range 1 32767
help
Maximum semaphore count in POSIX compliant Application.
endif # PTHREAD_IPC
config POSIX_CLOCK
bool "POSIX clock, timer, and sleep APIs"
default y if POSIX_API
help
This enables POSIX clock\_\*(), timer\_\*(), and \*sleep()
functions.
config MAX_TIMER_COUNT
int "Maximum timer count in POSIX application"
default 5
range 0 255
help
Mention maximum number of timers in POSIX compliant application.
config POSIX_MQUEUE
bool "POSIX message queue"
default y if POSIX_API
help
This enabled POSIX message queue related APIs.
if POSIX_MQUEUE
config MSG_COUNT_MAX
int "Maximum number of messages in message queue"
default 16
help
Mention maximum number of messages in message queue in POSIX compliant
application.
config MSG_SIZE_MAX
int "Maximum size of a message"
default 16
help
Mention maximum size of message in bytes.
config MQUEUE_NAMELEN_MAX
int "Maximum size of a name length"
default 16
range 2 255
help
Mention length of message queue name in number of characters.
endif
config POSIX_FS
bool "POSIX file system API support"
default y if POSIX_API
depends on FILE_SYSTEM
help
This enables POSIX style file system related APIs.
config POSIX_MAX_OPEN_FILES
int "Maximum number of open file descriptors"
default 16
depends on POSIX_FS
help
Maximum number of open files. Note that this setting
is additionally bounded by CONFIG_POSIX_MAX_FDS.
# The name of this option is mandated by zephyr_interface_library_named
# cmake directive.
config APP_LINK_WITH_POSIX_SUBSYS
bool "Make POSIX headers available to application"
default y
depends on POSIX_API
help
Add POSIX subsystem header files to the 'app' include path.
config EVENTFD
bool "Support for eventfd"
depends on !ARCH_POSIX
help
Enable support for event file descriptors, eventfd. An eventfd can
be used as an event wait/notify mechanism together with POSIX calls
like read, write and poll.
config EVENTFD_MAX
int "Maximum number of eventfd's"
depends on EVENTFD
default 1
range 1 4096
help
The maximum number of supported event file descriptors.