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Update README and some C comments

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This commit is contained in:
Gregory Nutt 2017-05-30 09:19:04 -06:00
parent a8708424c2
commit d9bd5ca05f
3 changed files with 23 additions and 4 deletions
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21
README.txt
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@ -197,8 +197,25 @@ Ubuntu Bash under Windows 10
C:\Users\Username\AppData\Local\lxss\rootfs C:\Users\Username\AppData\Local\lxss\rootfs
However, I am unable to see my files under the rootfs/home directory However, I am unable to see my files under the rootfs\home directory.
so this is not very useful. After some looking around, I find the home directory
%localappdata%\lxss\home.
With that trick access to the /home directory, you should actually be
able to use Windows tools outside of the Ubuntu sandbox with versions of
NuttX built within the sandbox using that path.
You can also execute Windows tools from within the Ubuntu sandbox:
$ /mnt/c/Program\ Files\ \(x86\)/Microchip/xc32/v1.43/bin/xc32-gcc.exe --version
Unable to translate current working directory. Using C:\WINDOWS\System32
xc32-gcc.exe (Microchip Technology) 4.8.3 MPLAB XC32 Compiler v1.43 Build date: Mar 1 2017
...
The error message indicates that there are more issues: You cannot mix
Windows tools that use Windows style paths in an environment that uses
POSIX paths. I think you would have to use Linux tools only from within
the Ubuntu sandbox.
Install Linux Software. Install Linux Software.
----------------------- -----------------------

2
TODO
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@ -196,7 +196,7 @@ o Task/Scheduler (sched/)
OS can cause non-cancellation point interfaces to behave OS can cause non-cancellation point interfaces to behave
strangely. There was a change recently in pthread_cond_wait() strangely. There was a change recently in pthread_cond_wait()
and pthread_cond_timedwait() recently to effectively disable and pthread_cond_timedwait() recently to effectively disable
the cancellation point behavior of sem_init(). This was the cancellation point behavior of sem_wait(). This was
accomplished with two functions: pthread_disable_cancel() accomplished with two functions: pthread_disable_cancel()
and pthread_enable_cancel() and pthread_enable_cancel()

4
mm/shm/shmctl.c
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@ -171,7 +171,9 @@ int shmctl(int shmid, int cmd, struct shmid_ds *buf)
if (region->sr_ds.shm_nattch > 0) if (region->sr_ds.shm_nattch > 0)
{ {
/* Yes.. just set the UNLINKED flag. The region will be removed when there are no longer any processes attached to it. /* Yes.. just set the UNLINKED flag. The region will be
* removed when there are no longer any processes attached to
* it.
*/ */
region->sr_flags |= SRFLAG_UNLINKED; region->sr_flags |= SRFLAG_UNLINKED;