Bulat Ziganshin wrote:
after Simon's message i thought about this problem. i found several
situations where "restoring" of locked file will be useful:
- using stdout and other standard handles. we may need to print error
message or just continue work despite the exception abandoned our
previous writing to stdout
- access to database. despite the exception arrived during previous
operation, we need to go further and just hSeek to the position of
next I/O operation
Certainly the stream should be resilient to exceptions: if an exception
occurs during an operation, that shouldn't prevent subsequent operations
from proceeding as normal. Asynchronous exceptions should behave just
like synchronous ones in this respect.
Cheers,
Simon
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