https://gitlab.synchro.net/main/sbbs/-/commit/e5f2201704c844eb92f03213
Modified Files:
src/ssh/test/CMakeLists.txt test_algo_key.c test_alloc.c test_conn.c test_selftest.c
Log Message:
Speed up test suite 2x: cancellable watchdog, RSA key caching, CTest consolidation

Four optimizations reduce full CTest wall time from ~25s to ~12.5s at -j16:

1. Cancellable watchdog in test_alloc.c: the conn_iterate test's watchdog
thread slept 3s unconditionally on every iteration (7 iterations = 21s).
Replace with condvar-based wait that cancels immediately when conn
threads finish. alloc/conn_iterate: 21s -> 0.02s.

2. RSA key caching in test_algo_key.c: 30 tests that just need a key
present now load from DSSH_TEST_RSA_KEY (set by CTest) instead of
generating a fresh 2048-bit RSA key each time. Tests that specifically
test key generation keep calling generate_key directly.
dssh_unit_algo_key: 20s -> 8s.

3. CTest consolidation: transport, conn, selftest, and thread_error tests
now run all tests per executable in one process (dssh_add_variant_tests
macro) instead of one CTest entry per test function. Reduces CTest
entries from ~4487 to ~1551 and eliminates fork/exec scheduling
overhead. Auth tests stay individual for sntrup parallelism.

4. Sleep reduction in test_conn.c and test_selftest.c: demux-processing
sleeps reduced from 100-200ms to 10-20ms (demux processes packets in
microseconds). Race-widener and I/O error detection sleeps kept at
original values. Saves ~2s per in-process conn run.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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