> Big diffs: much more mprotect calls, pthreads seem different (and ps ax
> shows me the 4 "threads" on the slug)
>
Mmm seems this has to to with pthreads.
I commented out the setuid() setgid() and now the tcp part starts too.
I can connect from python but I cannot do anything there and even not
ctrl-c to quit.
From daemon logs I can see many
client 0 connected
client 0 connected
I've to kill -9 python
The script I tried:
#!/usr/bin/python
import sys
sys.path.append('/opt/tuxdroid/api/python')
from tux import *
tux.cmd.leds_blink(2,10)
tux.sys.wait(1)
Now on daemon side.
Ctrl-c on the daemon gives:
Daemon closed
Daemon closed
Could not delete PID file
Daemon closed
Could not delete PID file
Yep looks like we go 3 times through some code where we should go only once.
When the daemon was running ps ax gave me
root 2467 0.3 3.2 6776 960 pts/1 S+ 23:30 0:00 ./tuxdaemon
root 2468 0.0 3.2 6776 960 pts/1 S+ 23:30 0:00 ./tuxdaemon
root 2469 0.0 3.2 6776 960 pts/1 S+ 23:30 0:00 ./tuxdaemon
root 2470 0.0 3.2 6776 960 pts/1 S+ 23:30 0:00 ./tuxdaemon
And with the setuid() code:
root 2476 2.0 3.1 6776 940 pts/1 S+ 23:31 0:00 tuxdaemon
root 2477 0.0 3.1 6776 940 pts/1 S+ 23:31 0:00 tuxdaemon
nobody 2478 0.0 3.1 6776 940 pts/1 S+ 23:31 0:00 tuxdaemon
root 2479 0.0 3.1 6776 940 pts/1 S+ 23:31 0:00 tuxdaemon
So it's like there is no pthreads, only forked processes and with setuid,
only the current process changes actually.
And when closing, all forked processes go through the same duplicated
code from main().
Phil
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