tools/testing/selftests/futex/include/futex2test.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Futex2 library addons for futex tests
   4  *
   5  * Copyright 2021 Collabora Ltd.
   6  */
   7 #include <stdint.h>
   8
   9 #define u64_to_ptr(x) ((void *)(uintptr_t)(x))
  10
  11 /**
  12  * futex_waitv - Wait at multiple futexes, wake on any
  13  * @waiters:    Array of waiters
  14  * @nr_waiters: Length of waiters array
  15  * @flags: Operation flags
  16  * @timo:  Optional timeout for operation
  17  */
  18 static inline int futex_waitv(volatile struct futex_waitv *waiters, unsigned long nr_waiters,
  19                               unsigned long flags, struct timespec *timo, clockid_t clockid)
  20 {
  21         return syscall(__NR_futex_waitv, waiters, nr_waiters, flags, timo, clockid);
  22 }