This PR changes stdio MCP child processes to run in their own process group * Add guarded teardown in codex-rmcp-client: send SIGTERM to the group first, then SIGKILL after a short grace period. * Add terminate_process_group helper in process_group.rs. * Add Unix regression test in process_group_cleanup.rs to verify wrapper + grandchild are reaped on client drop. Addresses reported MCP process/thread storm: #10581 |
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| Cargo.toml | ||