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  /external/valgrind/main/coregrind/m_scheduler/
ticket-lock-linux.c 155 * matches the wakeup_ticket value, no threads have to be woken up.
163 unsigned wakeup_ticket, futex_value; local
170 wakeup_ticket = __sync_fetch_and_add(&p->head, 1) + 1;
171 if (p->tail != wakeup_ticket) {
172 futex = &p->futex[wakeup_ticket & TL_FUTEX_MASK];
176 "\n", VG_(getpid)(), VG_(gettid)(), wakeup_ticket,
185 VG_(getpid)(), VG_(gettid)(), wakeup_ticket);

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