Pascal 08a384bd77 server: fix MCP zombie leak and timeout-induced transport teardown ...

join_pumps() never reaped the child, leaking one zombie per spawn:
call subprocess_join() before subprocess_destroy().

A per-call timeout permanently closed from_server and got a healthy
transport evicted: add close_on_stop to server_pipe::read() and pass
false from send_rpc(), where should_stop is a per-request deadline
and a late reply is already skipped on id mismatch.

Also drop the unreachable disconnect cancellation in
server_mcp_tool::invoke(): support_stream is false, st is always null.

(cherry picked from commit e6de1ec043174fd0570b1e60d47f06c7c19d620d)

Assisted-by: Claude Opus 4.8

2026-07-25 17:28:59 +02:00

50 KiB

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