diff options
Diffstat (limited to 'nuttx/sched/Kconfig')
| -rw-r--r-- | nuttx/sched/Kconfig | 77 |
1 files changed, 68 insertions, 9 deletions
diff --git a/nuttx/sched/Kconfig b/nuttx/sched/Kconfig index bfaec3b5d..6d53a03aa 100644 --- a/nuttx/sched/Kconfig +++ b/nuttx/sched/Kconfig @@ -38,6 +38,17 @@ config TASK_NAME_SIZE Useful if scheduler instrumentation is selected. Set to zero to disable. +config SCHED_HAVE_PARENT + bool "Remember Parent" + default n + ---help--- + Remember the ID of the parent thread when a new child thread is + created. This support enables some additional features (such as + SIGCHLD) and modifies the behavior of other interfaces. For + example, it makes waitpid() more standards complete by restricting + the waited-for tasks to the children of the caller. Default: + disabled. + config JULIAN_TIME bool "Enables Julian time conversions" default n @@ -127,6 +138,7 @@ config SDCLONE_DISABLE config SCHED_WORKQUEUE bool "Enable worker thread" default n + depends on !DISABLE_SIGNALS ---help--- Create a dedicated "worker" thread to handle delayed processing from interrupt handlers. This feature is required for some drivers but, if there are no @@ -158,14 +170,6 @@ config SCHED_WORKSTACKSIZE ---help--- The stack size allocated for the worker thread. Default: 2K. -config SIG_SIGWORK - int "Worker thread wakeup signal" - default 4 - depends on SCHED_WORKQUEUE - ---help--- - The signal number that will be used to wake-up the worker thread. - Default: 4 - config SCHED_LPWORK bool "Enable a lower priority worker thread" default n @@ -203,7 +207,12 @@ config SCHED_WAITPID bool "Enable waitpid() API" default n ---help--- - Enables the waitpid() API + Enables the waitpid() interface in a default, non-standard mode + (non-standard in the sense that the waited for PID need not be child + of the caller). If SCHED_HAVE_PARENT is also defined, then this + setting will modify the behavior or waitpid() (making more spec + compliant) and will enable the waitid() and wait() interfaces as + well. config SCHED_ATEXIT bool "Enable atexit() API" @@ -310,6 +319,56 @@ config DISABLE_POLL depends on DISABLE_OS_API default n +if !DISABLE_SIGNALS +comment "Signal Numbers" + +config SIG_SIGUSR1 + int "SIGUSR1" + default 1 + ---help--- + Value of standard user signal 1 (SIGUSR1). Default: 1 + +config SIG_SIGUSR2 + int "SIGUSR2" + default 2 + ---help--- + Value of standard user signal 2 (SIGUSR2). Default: 2 + +config SIG_SIGALARM + int "SIGALRM" + default 3 + ---help--- + Default the signal number used with POSIX timers (SIGALRM). + Default: 3 + +config SIG_SIGCHLD + int "SIGCHLD" + default 4 + depends on SCHED_HAVE_PARENT + ---help--- + The SIGCHLD signal is sent to the parent of a child process when it + exits, is interrupted (stopped), or resumes after being interrupted. + Default: 4 + +config SIG_SIGCONDTIMEDOUT + int "SIGCONDTIMEDOUT" + default 16 + depends on !DISABLE_PTHREAD + ---help--- + This non-standard signal number is used the implementation of + pthread_cond_timedwait(). Default 16. + +config SIG_SIGWORK + int "SIGWORK" + default 17 + depends on SCHED_WORKQUEUE + ---help--- + SIGWORK is a non-standard signal used to wake up the internal NuttX + worker thread. This setting specifies the signal number that will be + used for SIGWORK. Default: 17 + +endif + comment "Sizes of configurable things (0 disables)" config MAX_TASKS |