mirror of https://github.com/perkeep/perkeep.git
33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
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seqdiag {
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app;
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fuse [label="bazil.org/fuse"];
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fusermount;
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kernel;
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mounts;
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app;
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fuse [label="bazil.org/fuse"];
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fusermount;
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kernel;
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mounts;
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app -> fuse [label="Mount"];
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fuse -> fusermount [label="spawn, pass socketpair fd"];
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fusermount -> kernel [label="open /dev/fuse"];
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fusermount -> kernel [label="mount(2)"];
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kernel ->> mounts [label="mount is visible"];
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fusermount <-- kernel [label="mount(2) returns"];
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fuse <<-- fusermount [diagonal, label="exit, receive /dev/fuse fd", leftnote="on Linux, successful exit here\nmeans the mount has happened,\nthough InitRequest might not have yet"];
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app <-- fuse [label="Mount returns\nConn.Ready is already closed"];
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app -> fuse [label="fs.Serve"];
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fuse => kernel [label="read /dev/fuse fd", note="starts with InitRequest"];
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fuse -> app [label="Init"];
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fuse <-- app [color=red];
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fuse -> kernel [label="write /dev/fuse fd", color=red];
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kernel -> kernel [label="set connection\nstate to error", color=red];
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fuse <-- kernel;
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... conn.MountError == nil, so it is still mounted ...
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... call conn.Close to clean up ...
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}
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