glibc/benchtests/bench-pthread-mutex-trylock.c
Noah Goldstein 10c779f44a Benchtests: Add bench for pthread_spin_{try}lock and mutex_trylock
Reuses infrastructure from previous pthread_mutex_lock benchmarks to
test other performance sensitive functions.
2022-10-03 14:13:49 -07:00

38 lines
1.7 KiB
C

/* Measure mutex_trylock for different threads and critical sections.
Copyright (C) 2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#define LOCK(lock) \
while (pthread_mutex_trylock (lock) != 0) \
{ \
non_critical_section (non_crt_len); \
}
#define UNLOCK(lock) pthread_mutex_unlock (lock)
#define LOCK_INIT(lock, attr) pthread_mutex_init (lock, attr)
#define LOCK_DESTROY(lock) pthread_mutex_destroy (lock)
#define LOCK_ATTR_INIT(attr) \
pthread_mutexattr_init (attr); \
pthread_mutexattr_settype (attr, PTHREAD_MUTEX_ADAPTIVE_NP);
#define bench_lock_t pthread_mutex_t
#define bench_lock_attr_t pthread_mutexattr_t
#define TEST_NAME "pthread-mutex-trylock"
#include "bench-pthread-lock-base.c"