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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-15 15:40:18 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-15 15:40:18 +0000 |
| commit | fa14e61b3b4bca193293aba75f7ee106cbe4dd69 (patch) | |
| tree | ac5859a191e82fae017790748289f326790342b7 /nuttx/TODO | |
| parent | 033512b6c83b46c4c052499faba7cc4b02ff4153 (diff) | |
| download | px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.tar.gz px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.tar.bz2 px4-nuttx-fa14e61b3b4bca193293aba75f7ee106cbe4dd69.zip | |
Implement vfork() for the MIPS32 architecture
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5520 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/TODO')
| -rw-r--r-- | nuttx/TODO | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/nuttx/TODO b/nuttx/TODO index 0d02e10e6..58ca4cc8e 100644 --- a/nuttx/TODO +++ b/nuttx/TODO @@ -6,7 +6,7 @@ standards, things that could be improved, and ideas for enhancements. nuttx/ - (10) Task/Scheduler (sched/) + (11) Task/Scheduler (sched/) (1) Memory Managment (mm/) (3) Signals (sched/, arch/) (2) pthreads (sched/) @@ -195,6 +195,25 @@ o Task/Scheduler (sched/) Status: Open Priority: Low + Title: IMPROVED TASK CONTROL BLOCK STRUCTURE + All task resources that are shared amongst threads have + their own "break-away", reference-counted structure. The + Task Control Block (TCB) of each thread holds a reference + to each breakaway structure (see include/nuttx/sched.h). + It would be more efficent to have one reference counted + structure that holds all of the shared resources. + + These are the current shared structures: + - Environment varaibles (struct environ_s) + - PIC data space and address environments (struct dspace_s) + - File descriptors (struct filelist) + - FILE streams (struct streamlist) + - Sockets (struct socketlist) + Status: Open + Priority: Low. This is an enhancement. It would slight reduce + memory usage but would also increase coupling. These + resources are nicely modular now. + o Memory Managment (mm/) ^^^^^^^^^^^^^^^^^^^^^^ |