status_change_thread reads psync_status.filestodownload, filestoupload,
localisfull, and remoteisfull under statusmutex, while pstatus_download_recalc,
pstatus_upload_recalc, and pstatus_set write them without statusmutex (or under
a different mutex). TSan reports the race at pqevent.c:274.
Replace all writes of these four fields with __atomic_store_n and capture
atomic snapshots in status_change_thread before the condition, using the
snapshots for both comparison and the status_old update after struct copy.
Also use atomic loads in calc_status() for filestodownload and filestoupload.
Closes#335
Co-authored-by: Levi Neely <lkn@darkstar.example.net>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
psync_status.status is written in pstatus_set() (pstatus.c:263) after
releasing status_internal_mutex, while status_change() (pclsync_lib.cpp:435)
reads it concurrently from the callback thread without any lock. TSan
reports the race between T9 (write in pstatus_set) and the status callback
thread (read in status_change).
Replace all reads and writes of psync_status.status with
__atomic_load_n/__atomic_store_n (__ATOMIC_RELAXED) across pstatus.c,
pqevent.c, and pclsync_lib.cpp. In status_change_thread, capture the
atomic value once into cur_status before the condition to avoid multiple
inconsistent loads. In status_change(), capture cur_status at entry and
use it throughout, also propagating it to the copied status_ struct.
Closes#334
Co-authored-by: Levi Neely <lkn@darkstar.example.net>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
When eventid has PEVENT_TYPE_FOLDER set, the code allocated
psync_file_event_t size but cast to psync_folder_event_t.
Swap the sizeof() calls to match the actual struct types used.
Fixes GH #229
Co-authored-by: Levi Neely <lkn@darkstar.example.net>
* another stupid macro gone
* more stupid macros gone. moved util functions from plibs to putil
* remaining plist and ptask functions moved to appropriate namespaces
* dead code beleted!
* bugfixes
* move sql functions to psql.c
* move sort functions into ppagecache
* psql namespace
* change plibs.h include to pdbg.h
* cleanup includes
Levi Neely