gmoccapy tool change issue after apply

Hi,

it wasn't me, it was Chris,
he pushed on 15. Sept. 2014 the following patch:

gladevcp -tooledit, flush tool file to disk

hopefully fix an occasional bug that would make linuxcnc
tell you that the tool was missing from file when it was obviously there.
It seems maybe the file was not written to disk before linuxcnc was
told to read it. why it would be _blank_ I don't know.
I could cause this reliable when testing without linuxcnc, probably
because of the big pause as it tried to talk to non-existant linuxcnc..

Signed-off-by: Chris ....

python and the operating system typically cache data that are to be written to disc, for efficiency reasons.
So we would write the toolfile out to disc and tell linuxcnc to re-read it.
The data was (apparently) cached instead of written right away.
so linuxcnc would read the file then a small time later the file was actually written to disc.
Strangely (but luckily) the file would be blank when linuxcnc re-read it.
And that caused the error.

Now I added a command to force the file to be written immediately

Chris M

Okay.....
Thank you Chris M for explaining the issue....


Kaushik

cmorley wrote: python and the operating system typically cache data that are to be written to disc, for efficiency reasons.
So we would write the toolfile out to disc and tell linuxcnc to re-read it.
The data was (apparently) cached instead of written right away.
so linuxcnc would read the file then a small time later the file was actually written to disc.
Strangely (but luckily) the file would be blank when linuxcnc re-read it.
And that caused the error.

Now I added a command to force the file to be written immediately

Chris M

And it has worked perfectly since you made this update.

Thanks Again Chris


Rick

I'm having a similar issue.

I input a new tool on a blank tool table screen on gmoccapy, and hit "apply". If I then look at the tool.tbl file, it's empty.

I've edited the tool.tbl file directly with Mousepad. When I go into the tool table screen on gmoccapy, it pulls up the data from the file. But if I hit "apply", the tool information disappears. And when I check the file, it's empty again.

I deleted the tool.tbl file. If I hit "apply", the file is recreated, but it's empty.

In no case have I ever been able to load the tool (tool not found), or set any offsets using the buttons.

Any ideas?

Versions:
Linux Jessie 32-bit
LinuxCNC 2.8.0-prel-1468-gl70bb5a
gmoccapy 1.5.6

Let me check on this, it works in 1.5.5.4 with 2.6.12 but show the described behavior on 1.5.6, but I did not make any change to that part of gmoccapy.

I will check on that.

Norbert