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David
092f7ef00a
Add pthread_spin_init (ZMn3clnAGBA), pthread_spin_destroy (IJIggoPZExk), pthread_spin_lock (pw+70ClLYlY), pthread_spin_trylock (rCTGkBIHfPY) and pthread_spin_unlock (LEfMMCT+SlM). The NIDs were computed with tools/nid_names.py and match aerolib.csv. libkernel has no scePthreadSpin* twin in aerolib, so the calls are implemented directly, like the barrier. Titles: Porpoise PPSA99764 and RetroArch PPSA99169 import pthread_spin_lock. Predicted from relink registry order, not observed: after pthread_cond_reltimedwait_np, Porpoise stops with "FAIL: unresolved ELF import pw+70ClLYlY from libkernel.prx" (registry index 387; RetroArch index 493). No call site is resolved in the registry. Behaviour follows FreeBSD 11.4 libthr thr_pspinlock.c and thr_umtx.h (8c639945a44588f6cfdddfb057bb5aad88735da0). The guest pthread_spinlock_t holds a pointer to an allocated lock. EINVAL for a null or destroyed lock and for a pshared other than PTHREAD_PROCESS_PRIVATE or PTHREAD_PROCESS_SHARED, EBUSY from trylock while any thread holds the lock, EPERM from unlock by a thread that does not hold it. libthr spins forever when the holder locks again; that call throws here. A shared lock is allocated like a private one, since guest code runs in one process. Recorded in TechnicalDebt. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> (cherry picked from commit 13ebf7f926fa2ee1c825cb1fcf18451a8781c045)