HI John and all,

I don't know about this code, but I do remember Rory having a problem
with some turnoff2 (I think) in an instrument with one of the
filewriting opcodes; the fix he had certainly works but at the time I
wasn't sure if it fixed the source of the problem or the symptoms.
Perhaps this is also part of that and is the source of the problem he
had?

I checked the CVS history of each of the files mentioned in the stack
trace below (from envvvar.c to goto_ops.c) and didn't see any
significant changes that seem to be related this issue between 5.03
and 5.04 though only with a quick glance between versions.

steven

On 12/10/06, jpff <jpff@codemist.co.uk> wrote:
> Tracing, it seems that there is a call to sf_close from deact/urnoff2
> and after that the file descriptor has vanished.
>
> #0  sf_close (sndfile=0x81846b8) at sndfile.c:416
> #1  0x08052bcc in csoundFileClose (csound=0x80e1008, fd=0x80eb1b8)
>     at Engine/envvar.c:1258
> #2  0x08051cd7 in fdchclose (csound=0x80e1008, ip=0x817fb10)
>     at Engine/auxfd.c:131
> #3  0x0805bd01 in deact (csound=0x80e1008, ip=0x817fb10) at Engine/insert.c:507
> #4  0x0808e02e in turnoff2 (csound=0x80e1008, p=0x816e538)
>     at OOps/goto_ops.c:202
> #5  0x0804ce4d in csoundPerform (csound=0x80e1008) at Top/csound.c:1097
> #6  0x0804b0e8 in main (argc=2, argv=0xbffff084)
>     at frontends/csound/csound_main.c:109
>
> Then on the next cycle there is no file for diskin2 to read.
> Anyone admit to changing turnoff2 or deact?
>
> fdchclose certainly writes the NULL into the structure.  It looks to
> me as if the turnoff2 is not removing the diskin2 call.
>
> Anyone else?
>
> ==John ffitch
>
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