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xenomai: add support for registry

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Add a config option to enable the Xenomai registry, which allows accessing
internal Xenomai state.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
[Thomas:
 - add missing Config.in comment.
 - rewrap Config.in help text.
 - tweak the .mk file logic for the registry path to avoid the super
   long line.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas De Schampheleire 2017-04-19 22:00:06 +02:00 committed by Thomas Petazzoni
parent a12bcb7ff3
commit 78672fdade
2 changed files with 36 additions and 0 deletions
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24
package/xenomai/Config.in
View File

@ -96,6 +96,30 @@ config BR2_PACKAGE_XENOMAI_ENABLE_SMP
http://xenomai.org/troubleshooting-a-dual-kernel-configuration/#feature_mismatch_missing8221smpnosmp8221
config BR2_PACKAGE_XENOMAI_ENABLE_REGISTRY
bool "Enable registry"
select BR2_PACKAGE_LIBFUSE
depends on !BR2_STATIC_LIBS # libfuse
depends on BR2_TOOLCHAIN_HAS_THREADS # libfuse
depends on BR2_USE_MMU # libfuse
help
Xenomai APIs can export their internal state through a
pseudo-filesystem, whose files may be read to obtain
information about the existing real-time objects, such as
tasks, semaphores, message queues and so on.
comment "registry needs a toolchain w/ threads, dynamic library"
depends on BR2_USE_MMU
depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS
config BR2_PACKAGE_XENOMAI_ENABLE_REGISTRY_PATH
string "Custom registry root path"
depends on BR2_PACKAGE_XENOMAI_ENABLE_REGISTRY
help
Specify the root path of the registry here.
To use the Xenomai default (currently: /var/run/xenomai),
leave this option empty.
config BR2_PACKAGE_XENOMAI_TESTSUITE
bool "Install testsuite"
help

12
package/xenomai/xenomai.mk
View File

@ -45,6 +45,18 @@ else
XENOMAI_CONF_OPTS += --disable-smp
endif
ifeq ($(BR2_PACKAGE_XENOMAI_ENABLE_REGISTRY),y)
XENOMAI_DEPENDENCIES += libfuse
XENOMAI_REGISTRY_PATH = $(call qstrip,$(BR2_PACKAGE_XENOMAI_ENABLE_REGISTRY_PATH))
ifeq ($(XENOMAI_REGISTRY_PATH),)
XENOMAI_CONF_OPTS += --enable-registry
else
XENOMAI_CONF_OPTS += --enable-registry=$(XENOMAI_REGISTRY_PATH)
endif
else
XENOMAI_CONF_OPTS += --disable-registry
endif
# Some of these files may be desired by some users -- at that point specific
# config options need to be added to keep a particular set.
define XENOMAI_REMOVE_UNNEEDED_FILES