Add hooks to support extensible interconnect #1375
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The interconnect module is traditionally single-thread. It's hard to refactor/replace the current implementation for thread-safe.
This commit adds hooks to support extensible interconnect. The hooks contain 3 functions in struct ExtInterconnectFuncs:
struct ExtInterconnectFuncs {
void (*init)();
int (*port)();
void (*exit)();
};
init: create socket to receive interconnect packets.
port: return the port number created in init.
exit: disconnect all interconnections and cleanup related resources.
Fixes #ISSUE_Number
What does this PR do?
Type of Change
Breaking Changes
Test Plan
make installcheck
make -C src/test installcheck-cbdb-parallel
Impact
Performance:
User-facing changes:
Dependencies:
Checklist
Additional Context
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