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lowlevellock-futex: Remove not used macros

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Following macros: lll_futex_timed_lock_pi, lll_futex_clock_wait_bitset,
lll_futex_wait_requeue_pi, lll_futex_timed_wait_requeue_pi are not
used anymore so are eligible for removal.

Build tests:
./src/scripts/build-many-glibcs.py glibcs

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Lukasz Majewski 2020-12-01 12:26:55 +01:00
parent 4ec2e73803
commit 135ca0a7cd
1 changed files with 0 additions and 43 deletions
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43
sysdeps/nptl/lowlevellock-futex.h
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@ -94,28 +94,6 @@
# define lll_futex_supported_clockid(clockid) \
((clockid) == CLOCK_REALTIME || (clockid) == CLOCK_MONOTONIC)
/* The kernel currently only supports CLOCK_MONOTONIC or
CLOCK_REALTIME timeouts for FUTEX_WAIT_BITSET. We could attempt to
convert others here but currently do not. */
# define lll_futex_clock_wait_bitset(futexp, val, clockid, timeout, private) \
({ \
long int __ret; \
if (lll_futex_supported_clockid (clockid)) \
{ \
const unsigned int clockbit = \
(clockid == CLOCK_REALTIME) ? FUTEX_CLOCK_REALTIME : 0; \
const int op = \
__lll_private_flag (FUTEX_WAIT_BITSET | clockbit, private); \
\
__ret = lll_futex_syscall (6, futexp, op, val, \
timeout, NULL /* Unused. */, \
FUTEX_BITSET_MATCH_ANY); \
} \
else \
__ret = -EINVAL; \
__ret; \
})
/* Wake up up to NR waiters on FUTEXP. */
# define lll_futex_wake(futexp, nr, private) \
lll_futex_syscall (4, futexp, \
@ -138,32 +116,11 @@
FUTEX_OP_CLEAR_WAKE_IF_GT_ONE)
/* Priority Inheritance support. */
#define lll_futex_timed_lock_pi(futexp, abstime, private) \
lll_futex_syscall (4, futexp, \
__lll_private_flag (FUTEX_LOCK_PI, private), \
0, abstime)
#define lll_futex_timed_unlock_pi(futexp, private) \
lll_futex_syscall (4, futexp, \
__lll_private_flag (FUTEX_UNLOCK_PI, private), \
0, 0)
/* Like lll_futex_wait (FUTEXP, VAL, PRIVATE) but with the expectation
that lll_futex_cmp_requeue_pi (FUTEXP, _, _, MUTEX, _, PRIVATE) will
be used to do the wakeup. Confers priority-inheritance behavior on
the waiter. */
# define lll_futex_wait_requeue_pi(futexp, val, mutex, private) \
lll_futex_timed_wait_requeue_pi (futexp, val, NULL, 0, mutex, private)
/* Like lll_futex_wait_requeue_pi, but with a timeout. */
# define lll_futex_timed_wait_requeue_pi(futexp, val, timeout, clockbit, \
mutex, private) \
lll_futex_syscall (5, futexp, \
__lll_private_flag (FUTEX_WAIT_REQUEUE_PI \
| (clockbit), private), \
val, timeout, mutex)
/* Like lll_futex_requeue, but pairs with lll_futex_wait_requeue_pi
and inherits priority from the waiter. */
# define lll_futex_cmp_requeue_pi(futexp, nr_wake, nr_move, mutex, \