Attachment 144617 Details for Bug 221113 – how to test I/O errors and readline behaviour

how to test I/O errors and readline behaviour

readline_test_loopback.txt (text/plain), 1.73 KB, created by Wojciech Pilorz on 2007-01-02 00:32:53 UTC

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Creator: Wojciech Pilorz

Created: 2007-01-02 00:32:53 UTC

Size: 1.73 KB

patch

obsolete

>$ mkdir rltmp
>$ yes 1234567890 | head -400000 | grep -n ^ > rltmp/ftest01
>$ mkisofs -r -q rltmp/ > rltmp_img.iso
>$ dd if=rltmp_img.iso bs=1024k count=5 of=rltmp_img_5M.iso
>5+0 records in
>5+0 records out
>5242880 bytes (5.2 MB) copied, 0.216334 seconds, 24.2 MB/s
>
>*** NOW AS ROOT ***
># mkdir /mnt/looptest
># mount -o ro,loop rltmp_img_5M.iso /mnt/looptest
>
>*** BACK AS A REGULAR USER ***
>
>$ env CHUNKSIZE=-1 PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will be set to undef
>Bad file descriptor at readline_test.pl line 30, <F> chunk 1.
>$ env CHUNKSIZE=-1 PERLIO=stdio perl -w readline_test.pl /mnt/looptest/ftest01 
> INFO: $/ will be set to undef
>Input/output error at readline_test.pl line 30, <F> chunk 1.
>$ env CHUNKSIZE=0 PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01 
> INFO: $/ will not be set
>Bad file descriptor at readline_test.pl line 30, <F> line 294486.
>$ env CHUNKSIZE=0 PERLIO=stdio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will not be set
>Input/output error at readline_test.pl line 30, <F> line 294486.
>$ env CHUNKSIZE=2k PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will be set to 2048
>Input/output error at readline_test.pl line 30, <F> chunk 2534.
>$ env CHUNKSIZE=4k PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will be set to 4096
>Input/output error at readline_test.pl line 30, <F> chunk 1267.
>$ env CHUNKSIZE=8k PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will be set to 8192
>Bad file descriptor at readline_test.pl line 30, <F> chunk 634.
>$ env CHUNKSIZE=32k PERLIO=perlio perl -w readline_test.pl /mnt/looptest/ftest01
> INFO: $/ will be set to 32768
>Bad file descriptor at readline_test.pl line 30, <F> chunk 159.
>

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Attachments on bug 221113: 144615 | 144616 | 144617