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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-13 18:53:00 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-13 18:53:00 +0000 |
| commit | 0191f2d9e4a4c9857ee37655dd3da523cf74a48a (patch) | |
| tree | df530299e0171e8a86a2709ed4f19a1468efda4e /nuttx/sched/Kconfig | |
| parent | 0d8a269d4bbb18fa509e642ae2eaec8a8c80a1c3 (diff) | |
| download | px4-nuttx-0191f2d9e4a4c9857ee37655dd3da523cf74a48a.tar.gz px4-nuttx-0191f2d9e4a4c9857ee37655dd3da523cf74a48a.tar.bz2 px4-nuttx-0191f2d9e4a4c9857ee37655dd3da523cf74a48a.zip | |
Use SIGCHLD with waitpid(); implemented wait() and waitid()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5515 42af7a65-404d-4744-a932-0658087f49c3
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" |