linux/drivers/md/dm-vdo/thread-utils.h
Mike Snitzer 7f2e494ddd dm vdo thread-utils: push uds_*_cond interface down to indexer
Only used by indexer components. Also return void from
uds_init_cond(), remove uds_destroy_cond(), and fix up
all callers.

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
2024-03-01 09:25:58 -05:00

53 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2023 Red Hat
*/
#ifndef THREAD_UTILS_H
#define THREAD_UTILS_H
#include <linux/atomic.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/mutex.h>
#include <linux/semaphore.h>
#include "errors.h"
/* Thread and synchronization utilities for UDS */
struct thread;
int __must_check uds_create_thread(void (*thread_function)(void *), void *thread_data,
const char *name, struct thread **new_thread);
void uds_perform_once(atomic_t *once_state, void (*function) (void));
int uds_join_threads(struct thread *thread);
/* FIXME: all below wrappers should be removed! */
static inline int __must_check uds_init_mutex(struct mutex *mutex)
{
mutex_init(mutex);
return UDS_SUCCESS;
}
static inline int uds_destroy_mutex(struct mutex *mutex)
{
return UDS_SUCCESS;
}
static inline void uds_lock_mutex(struct mutex *mutex)
{
mutex_lock(mutex);
}
static inline void uds_unlock_mutex(struct mutex *mutex)
{
mutex_unlock(mutex);
}
#endif /* UDS_THREADS_H */