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Adds tests/unit-tests/test_ptask_free.c to verify all code paths of the psync_task_free fix from #377: single-owner free, last-ref destroy, non-last-ref decrement, READY task signaling, and lock-before-refcnt ordering. All 5 tests pass. Also adds compiled binary to .gitignore. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Extract psync_task_free + psync_task_destroy (and their static helpers psync_task_dec_refcnt, psync_task_entry) from ptask.c into a new separately-compilable unit pclsync/ptask_free.c. Add pclsync/ptask_free_internal.h to expose the internal struct layout (struct psync_task_manager_t_ / struct psync_task_t_) for test use without pulling in ptask.c's heavyweight transitive dependencies. Rewrite tests/unit-tests/test_ptask_free.c to: - Include ptask_free_internal.h instead of duplicating structs inline - Call the real psync_task_free() rather than a local replica - Intercept pthread_mutex_lock/unlock and pmem_free via --wrap linker flags to observe lock discipline and detect destroy invocations Update the Makefile test_ptask_free target to link pclsync/ptask_free.c and pass the required --wrap flags. Production build unchanged: ptask_free.o is picked up automatically by the existing wildcard COBJ rule. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Task #3 — Unit tests for ptree and pintervaltree tests/unit-tests/test_ptree.c: 8 tests covering single-node insert, in-order traversal after arbitrary and reverse inserts, BST lookup, leaf/root/all-node deletion, and ptree_for_each visitation. tests/unit-tests/test_pintervaltree.c: 18 tests covering single add, non-overlapping, overlapping/adjacent/contained/spanning merges, chain merge, remove middle split, remove exact/left/right/spanning, cut_end, first_interval_containing_or_after, and free(NULL). Task #4 — Extract pfstasks tree layer pclsync/pfstasks_tree.h + pclsync/pfstasks_tree.c: pure tree layer (zero psql calls) extracted from pfstasks.c — pfs_task_search_tree, pfs_task_walk_tree (static helpers), pfs_task_insert_into_tree, pfs_task_find_mkdir/rmdir/creat/unlink, pfs_task_find_mkdir_by_folderid, pfs_task_find_creat_by_fileid. pclsync/pfstasks.c: #includes pfstasks_tree.h; all moved functions removed; all callers unchanged. tests/unit-tests/test_pfstasks_tree.c: 13 tests using direct tree construction (no DB) to verify find-by-name, taskid discrimination, find-by-numeric-id, and empty-folder edge cases. Task #5 — psql in-memory harness + pfstasks DB tests tests/helpers/psql_test_helpers.h + .c: lightweight harness that opens :memory: via sqlite3_open, enables PRAGMA foreign_keys=ON, and applies the full PSYNC_DATABASE_STRUCTURE schema. Exposes psql_test_db(), psql_test_exec(), psql_test_insert_fstask(), psql_test_count_fstask/fstaskdepend(). No dependency on psql.c. tests/unit-tests/test_pfstasks_db.c: 10 tests verifying schema creation, fstask insertion/query, fstaskdepend insertion, CASCADE DELETE propagation, FK enforcement, rmdir-blocking SQL pattern, creat-after-unlink sequencing, and open/close idempotence. All 11 new tests pass; production build clean. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
1. Check psql_test_exec() return values in test_cascade_delete() and test_creat_after_unlink() consistently with test_fstaskdepend_insert(). 2. Remove dead dep_cnt variable and (void)dep_cnt suppressor from test_creat_after_unlink(). 3. Change SQLITE_STATIC → SQLITE_TRANSIENT for text1 binding in psql_test_insert_fstask() to avoid dangling-pointer footgun on future reuse. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…l leak pclsync/ppath.c: Move buff[4096] to function scope in ppath_home() so the pointer stored in dir via result->pw_dir remains live through the putil_strdup(dir) call. Previously buff went out of scope at the if-block close, causing a stack-use-after-scope ASAN report on every call that fell through the getpwuid_r path. tests/unit-tests/test_ptools_errptr.c: run_unfixed() intentionally leaks errPtr to demonstrate the pre-fix bug. Wrap the allocation with LSAN_DISABLE() / LSAN_ENABLE() so LSAN does not abort the process at exit before stdio flushes, which was causing a non-zero exit code. The guard uses nested #ifdef/__has_feature to remain compatible with both GCC (__SANITIZE_ADDRESS__) and Clang (__has_feature(address_sanitizer)) without triggering "missing binary operator" errors on GCC. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Task #11 — plocks.c stress test (test_plocks.c) 7 tests: basic rdlock/wrlock round-trip, recursive TLS counting (same thread acquires rdlock N times; unlock only releases on final decrement), upgrade under contention (N readers + towrlock; barrier-synchronized), writer starvation prevention (sustained reader load; writer acquires within 500ms), N-reader + M-writer counter-integrity stress test (ASAN), and try-variant contention (trywrlock fails when another thread holds rdlock). TSAN note documented: custom lock internals require ASAN-only when ThreadSanitizer annotations are absent. Task #12 — pfsupload send-function tests (pfsupload_send.c/h + test_pfsupload.c) Extract psync_send_task_mkdir and psync_send_task_rmdir from pfsupload.c into pclsync/pfsupload_send.c as non-static pfsupload_send_mkdir/rmdir. Expose fsupload_task_t struct via pclsync/pfsupload_send.h. Add __attribute__((weak)) get_urls() as an injectable URL seam for large- upload paths. pfsupload.c updated to include pfsupload_send.h and use the renamed functions in its dispatch table; pfsupload_send.o is automatically picked up by the production wildcard build. 5 tests: mkdir (non-encrypted) command + folderid param, mkdir (encrypted) key param present, rmdir command + sfolderid, API error path (papi_send failure → -1), get_urls() weak override. Uses --wrap=papi_send to intercept API calls and socketpair() to provide a valid psock_t without real network I/O. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
1. test_plocks.c: add comment to test_upgrade_under_contention clarifying it verifies towrlock completion and holding_wrlock; notes that concurrent exclusivity is covered by test_stress(). 2. test_pfsupload.c / make_fake_api: replace static-local psock_t with caller-supplied stack allocation (out parameter) to eliminate the multiple-calls-per-test footgun. 3. test_pfsupload.c / find_str_param: replace ternary `paramnamelen == strlen ? paramname : ""` with explicit length check + strncmp, matching the cleaner pattern used in find_num_param. 4. Makefile: add comment next to -Wl,--wrap=papi_send noting it redirects papi_send to __wrap_papi_send and is GNU ld only (not macOS Apple ld). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Task #19 — ppagecache.c decomposition (ppagecache_helpers.c/h) ppagecache_compute_page_priority(usecnt): pure function returning the LRU eviction tier (0–4) that matches the five pagecache_entry_cmp_* sort comparators in ppagecache.c (thresholds 2/4/8/16). ppagecache_verify_crc(data, size, stored_crc): wraps pcrc32c_compute and compares; returns 0 on match, -1 on mismatch. ppagecache_get_download_urls(fileid, hash, nout): __attribute__((weak)) URL-injection seam; default returns NULL (falls through to real API). ppagecache.c updated to include ppagecache_helpers.h. test_ppagecache.c: 10 tests covering tier boundary conditions (0/1/2/3/4 including UINT32_MAX), CRC match, single-bit flip, wrong stored CRC, zero-length buffer, and weak URL override. Task #20 — pfs.c helper extraction (pfs_helpers.c/h) pfs_row_to_folder_stat(row, stbuf): converts psql folder row → struct stat; uses pfs_task_get_folder_tasks_rdlocked for in-memory mtime. pfs_row_to_file_stat(row, stbuf, flags): converts psql file row → stat; encrypted path calls pfs_crpt_plain_size. pfs_mkdir_to_folder_stat(mk, stbuf): converts in-memory mkdir task → stat (no SQL). pfs_apply_task_overlay(stbuf, folder, name, flags): applies pending mkdir/rmdir/unlink/creat-new overlays from the in-memory task queue; returns 1/2/-1/0. pfs_stat_uid/gid: exported globals; pfs.c syncs them from myuid/mygid. pfs.c updated to #include pfs_helpers.h and sync the uid/gid globals. pfsfolder.c: pfs_fldr_resolve_path decorated __attribute__((weak)) so tests can inject fake path resolution without a FUSE mount or psql. test_pfs_helpers.c: 7 tests covering folder/file stat field correctness, overlay NULL/mkdir/rmdir/no-match cases, and weak path override; uses --wrap for pfs_task_get_folder_tasks_rdlocked, pfs_crpt_plain_size, and ptimer_time to stay SQL/crypto/timer-free. Production build clean; make check exits 0. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Keep test_ppagecache and test_pfs_helpers entries from testability-refactor alongside test_pfsupload already merged into main. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- pcryptofolder.c: psync_cloud_crypto_send_mkdir, psync_pcloud_crypto_reencode_key, psync_pcloud_crypto_encode_key - psynclib.c: psync_set_ssl_debug_callback, psync_reset_apiserver, create_bup_mach_folder, psync_async_delete_sync - pfscrypto.c: pfs_crpt_write_mod_nu - ppagecache.c: clean_cache_del - publiclinks.c: process_bres, do_delete_all_links - pfsupload.c: upload_modify - debug/pnetlibs_debug.c: pident - pnetlibs.c: psync_socket_close_download - pfstasks.c: pfs_task_stop_and_delete_file - pssl.c: rng_get - pupload.c: handle_api_errors Co-authored-by: Levi Neely <lkn@darkstar.example.net>
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