#205 count the trace streams befor pop at logging

[Victor Jaquez]

Using PTLib branch v2_10

I Ekiga I ran with an assertion when tracing:

Starting program: /opt/ekiga/bin/ekiga -d 8
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Gtk-Message: Failed to load module "canberra-gtk-module"
on Unix Linux (3.2.0-2-amd64-x86_64) with PTLib (v2.10beta6 (svn:27919)) at 2012/6/28 11:06:44.241PWLib Assertion fail: Invalid array index, file ptlib/common/collect.cxx, line 399, class PStack, Error=2
<A>bort, <C>ore dump, <I>gnore? c

Dumping core.

Program received signal SIGABRT, Aborted.
0x00007ffff1d95efb in raise (sig=<optimized out>)
at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:41
41 ../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory.
(gdb) bt
#0 0x00007ffff1d95efb in raise (sig=<optimized out>)
at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:41
#1 0x00007ffff3129388 in PAssertAction (c=99,
msg=0x747a18 "Assertion fail: Invalid array index, file ptlib/common/collect.cxx, line 399, class PStack, Error=2") at ptlib/unix/assert.cxx:76
#2 0x00007ffff3129512 in PAssertFunc (
msg=0x747a18 "Assertion fail: Invalid array index, file ptlib/common/collect.cxx, line 399, class PStack, Error=2") at ptlib/unix/assert.cxx:150
#3 0x00007ffff31661cf in PAssertFunc (
file=0x7ffff3185760 "ptlib/common/collect.cxx", line=399,
className=0x7ffff3180e2a "PStack", msg=0x7ffff3185f5d "Invalid array index")
at ptlib/common/object.cxx:147
#4 0x00007ffff316605c in PAssertFunc (
msg=0x747a18 "Assertion fail: Invalid array index, file ptlib/common/collect.cxx, line 399, class PStack, Error=2") at ptlib/unix/assert.cxx:150
#3 0x00007ffff31661cf in PAssertFunc (
file=0x7ffff3185760 "ptlib/common/collect.cxx", line=399,
className=0x7ffff3180e2a "PStack", msg=0x7ffff3185f5d "Invalid array index")
at ptlib/common/object.cxx:147
#4 0x00007ffff316605c in PAssertFunc (
file=0x7ffff3185760 "ptlib/common/collect.cxx", line=399,
className=0x7ffff3180e2a "PStack", msg=PInvalidArrayIndex)
at ptlib/common/object.cxx:124
#5 0x00007ffff315386b in PAbstractList::RemoveAt (this=0x7482f0, index=0)
at ptlib/common/collect.cxx:399
#6 0x00007ffff310272d in PStack<PStringStream>::Pop (this=0x7482f0)
at /home/vjaquez/checkout/gnome2/ptlib/include/ptlib/lists.h:624
#7 0x00007ffff3143386 in PTrace::End (paramStream=...)
at ptlib/common/osutils.cxx:547
#8 0x00007ffff3142aef in PTrace::Initialise (level=8, filename=0x0,
rolloverPattern=0x0, options=15) at ptlib/common/osutils.cxx:365
#9 0x00007ffff31425e0 in PTrace::Initialise (level=8, filename=0x0, options=15)
at ptlib/common/osutils.cxx:321
#10 0x0000000000420a9e in main (argc=1, argv=0x7fffffffd808) at gui/main.cpp:167

This patch checks the number if trace streams and if there are more than zero.

[Victor Jaquez]

count the trace streams befor pop at logging

[Robert Jongbloed]

Patch applied to Luyten (PTLib 2.10, OPAL 3.10) and trunk, thank you very much!