diff options
Diffstat (limited to 'nuttx/sched/Kconfig')
| -rw-r--r-- | nuttx/sched/Kconfig | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/nuttx/sched/Kconfig b/nuttx/sched/Kconfig index 69621a1fa..6d53a03aa 100644 --- a/nuttx/sched/Kconfig +++ b/nuttx/sched/Kconfig @@ -43,9 +43,10 @@ config SCHED_HAVE_PARENT default n ---help--- Remember the ID of the parent thread when a new child thread is - created. This support enables a few minor features (such as - SIGCHLD) and slightly increases the size of the Task Control Block - (TCB) of every task to hold the ID of the parent thread. Default: + 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 @@ -206,7 +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" |