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| subject: | blockreading from a pipe |
UvdH>
> I'm using VP 1.0b3 and want to 'blockread' data from STDIN.
> I found out that when I try to read blocks larger than 8K
> (8192 bytes) just 8192 are read and nothing more.
UvdH>
There's no limitation on the number of bytes that can be read by the
DosRead system call in OS/2.
*However*, when reading from a pipe the maximum number of bytes that
you can read depends from the size of the pipe buffer specified in the
call to DosCreatePipe.
This is because once a process *writes* that number of bytes into the
pipe, further writes will be blocked until the data have been read from
the other end.
> JdeBP <
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