diff options
Diffstat (limited to 'nuttx/arch/README.txt')
-rw-r--r-- | nuttx/arch/README.txt | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/nuttx/arch/README.txt b/nuttx/arch/README.txt index bdc353cbb..e10393c9f 100644 --- a/nuttx/arch/README.txt +++ b/nuttx/arch/README.txt @@ -62,7 +62,7 @@ defconfig -- This is a configuration file similar to the Linux General OS setup - CONFIG_EXAMPLE - identifies the subdirectgory in examples + CONFIG_EXAMPLE - identifies the subdirectory in examples that will be used in the build CONFIG_DEBUG - enables built-in debug options CONFIG_DEBUG_VERBOSE - enables verbose debug output @@ -82,7 +82,21 @@ defconfig -- This is a configuration file similar to the Linux CONFIG_DEV_CONSOLE - Set if architecture-specific logic provides /dev/console. Enables stdout, stderr, stdin. - Allow for artchitecture optimized implementations + The following can be used to disable categories of APIs supported + by the OS. If the compiler supports weak functions, then it + should not be necessary to disable functions unless you want to + restrict usage of those APIs. + + There are certain dependency relationships in these features. + + o mq_notify logic depends on signals to awaken tasks + waiting for queues to become full or empty. + o pthread_condtimedwait() depends on signals to wake + up waiting tasks. + + CONFIG_DISABLE_SIGNALS, CONFIG_DISABLE_MQUEUE + + Allow for architecture optimized implementations The architecture can provide optimized versions of the following to improve sysem performance |