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IO::Handle::blocking does not work under windows 7 64bit [rt.cpan.org #61074] #17455

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toddr opened this issue Apr 19, 2018 · 1 comment · Fixed by #21582
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IO::Handle::blocking does not work under windows 7 64bit [rt.cpan.org #61074] #17455

toddr opened this issue Apr 19, 2018 · 1 comment · Fixed by #21582
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Bug dist-IO issues in the dual-life blead-first IO distribution distro-mswin32

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@toddr
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toddr commented Apr 19, 2018 •
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Migrated from rt.cpan.org#61074 (status was 'new')

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From deathwolf+bitcard@gmail.com on 2010-09-05 02:12:17:

IO::Handle::blocking seems to break the socket entity under windows 7
64bit(possible other OS'es).

Attached is an example of breaking code: please adjust the port and
address to something that is open on your side, and then try
uncommenting either of the IO::Handle::blocking calls. The connect will
fail with "unknown error" or "A non-blocking socket operation could not
be completed immediately." depending on the perl distribution.

Please note that $sock->blocking(0) or $sock->blocking(1) will also fail
the same way.

Issue present in both activeperl 5.10.1 and strawberry perl 5.12.1.

From deathwolf+bitcard@gmail.com on 2010-09-05 11:39:54:

Additional bug reference for a similar bug that might be related #17448
@toddr toddr transferred this issue from Dual-Life/IO Jan 20, 2020
@toddr toddr added Needs Triage dist-IO issues in the dual-life blead-first IO distribution labels Jan 20, 2020
tonycoz added a commit to tonycoz/perl5 that referenced this issue May 5, 2020
@tonycoz
use the supplied handle in IO::Handle::blocking() on Win32
3aafec1 
The refactor in 375ed12 meant that fd was initialized to -1,
rather than PerlIO_fileno(f) on Win32.

fixes Perl#17455
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tonycoz commented May 5, 2020

This was originally fixed in 375ed12 but then broken again in 375ed12, and the branch (which is in CI on my tonycoz/perl5 fork) fixes that.

The original report is a little confusing in that if you switch blocking off for a socket the connect() should fail with "A non-blocking socket operation could not be completed immediately."

@tonycoz tonycoz self-assigned this Jun 17, 2020
tonycoz added a commit to tonycoz/perl5 that referenced this issue Oct 23, 2023
@tonycoz
use the supplied handle in IO::Handle::blocking() on Win32
cc29f60 
The refactor in 375ed12 meant that fd was initialized to -1,
rather than PerlIO_fileno(f) on Win32.

fixes Perl#17455
@tonycoz tonycoz mentioned this issue Oct 23, 2023
Merged
tonycoz added a commit to tonycoz/perl5 that referenced this issue Oct 25, 2023
@tonycoz
use the supplied handle in IO::Handle::blocking() on Win32
66975c2 
The refactor in 375ed12 meant that fd was initialized to -1,
rather than PerlIO_fileno(f) on Win32.

fixes Perl#17455
tonycoz added a commit that referenced this issue Oct 25, 2023
@tonycoz
use the supplied handle in IO::Handle::blocking() on Win32
bbc9522 
The refactor in 375ed12 meant that fd was initialized to -1,
rather than PerlIO_fileno(f) on Win32.

fixes #17455
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use the supplied handle in IO::Handle::blocking() on Win32 tonycoz/perl5
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