[Octave-bug-tracker] [bug #43036] popen2 on Windows fails quietly if command writes to stderr

[Tatsuro MATSUOKA]

Follow-up Comment #15, bug #43036 (project octave):

I have applied Mike's patch to 4.0.2 source and rebuild octave 
using producer [1].

http://octave.1599824.n4.nabble.com/Octave-build-on-windows-using-octave-binary-itself-td4676652.html


>> popen2_bug2
EAGAIN =  11
EINVAL =  22
in =  4
out =  3
pid =  3592
<waiting> (win32), s=-1, errno=22
hello stderr
Hello 1
Hello 2
Hello 3
NOW WE TALK TO STDERR...
Betcha will not see this!
Hello 4
Hello 5
Hello 6
Goodbye
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
<waiting> (somewhere), s=-1, errno=0
no many waits, breaking out


I could see


Betcha will not see this!
Hello 4
Hello 5
Hello 6
Goodbye


thus Mike's patch seems to fix this issue.

Mike. Please apply your patch to the default branch.


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