jason hord > Proc-Lite > Proc::Hevy::Writer

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NAME ^

Proc::Hevy::Writer - A writer pipe implementation for Proc::Hevy

DESCRIPTION ^

Proc::Hevy::Writer implements a writer pipe that writes data to a child process from a provided buffer. This is used when writing to a child process's STDIN.

INTERFACE ^

new( $name, $buffer )

Creates a new Proc::Hevy::Writer object. $name is a symbolic name for the writer. $buffer is the source mechanism to used for data written to the child process. It can either be a simple scalar, an ARRAY reference, a CODE reference or a GLOB reference.

child( $handle )

Performs actions suitable when running as part of the child process. This includes re-opening the provided $handle to a filehandle that is created based on the type of source buffer configured in new(). If no buffer was configured, '/dev/null' is opened for reading.

parent( $select )

Performs actions suitable when running as part of the parent process. This includes adding filehandles to the provided $select object that should be monitored for writability.

write

Performs the actual write to the child process consuming data from the source buffer configured in new(). When the source buffer is empty, applicable filehandles are closed and removed from the select object used in the call to parent(). Any system errors are considered fatal.

BUGS ^

None are known at this time, but if you find one, please feel free to submit a report to the author.

AUTHOR ^

jason hord <pravus@cpan.org>

SEE ALSO ^

Proc::Hevy

COPYRIGHT ^

Copyright (c) 2009-2014, jason hord

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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