linux/tools/perf/util/rwsem.c
Arnaldo Carvalho de Melo fb71c86cc8 perf tools: Remove util.h from where it is not needed
Check that it is not needed and remove, fixing up some fallout for
places where it was only serving to get something else.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-9h6dg6lsqe2usyqjh5rrues4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-09-20 09:19:20 -03:00

34 lines
710 B
C

// SPDX-License-Identifier: GPL-2.0
#include "util.h"
#include "rwsem.h"
int init_rwsem(struct rw_semaphore *sem)
{
return pthread_rwlock_init(&sem->lock, NULL);
}
int exit_rwsem(struct rw_semaphore *sem)
{
return pthread_rwlock_destroy(&sem->lock);
}
int down_read(struct rw_semaphore *sem)
{
return perf_singlethreaded ? 0 : pthread_rwlock_rdlock(&sem->lock);
}
int up_read(struct rw_semaphore *sem)
{
return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock);
}
int down_write(struct rw_semaphore *sem)
{
return perf_singlethreaded ? 0 : pthread_rwlock_wrlock(&sem->lock);
}
int up_write(struct rw_semaphore *sem)
{
return perf_singlethreaded ? 0 : pthread_rwlock_unlock(&sem->lock);
}