genode/repos/os/src/server/fs_rom/README
Norman Feske ca971bbfd8 Move repositories to 'repos/' subdirectory
This patch changes the top-level directory layout as a preparatory
step for improving the tools for managing 3rd-party source codes.
The rationale is described in the issue referenced below.

Issue #1082
2014-05-14 16:08:00 +02:00

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The 'fs_rom' server translates the 'File_system' session interface to the
'ROM' session' interface. Each request for a ROM file is handled by looking
up an equally named file on the file system. If no such file could be found,
the server watches the file system for the creation of the corresponding file.
Furthermore, the server reflects file changes as signals to the ROM session.
Limitations
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* Symbolic links are not handled
* The server needs to allocate RAM for each requested file. The RAM is always
allocated from the RAM session of the server. The RAM quota consumed by the
server depends on the client requests and the size of the requested files.
Therefore, one instance of the server should not be used by untrusted clients
and critical clients at the same time. In such situations, multiple instances
of the server could be used.