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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_THREADS_H
#define __PERF_THREADS_H
#include "hashmap.h"
#include "rwsem.h"
struct thread;
#define THREADS__TABLE_BITS 3
#define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS)
struct threads_table_entry {
/* Key is tid, value is struct thread. */
struct hashmap shard;
struct rw_semaphore lock;
struct thread *last_match;
};
struct threads {
struct threads_table_entry table[THREADS__TABLE_SIZE];
};
void threads__init(struct threads *threads);
void threads__exit(struct threads *threads);
size_t threads__nr(struct threads *threads);
struct thread *threads__find(struct threads *threads, pid_t tid);
struct thread *threads__findnew(struct threads *threads, pid_t pid, pid_t tid, bool *created);
void threads__remove_all_threads(struct threads *threads);
void threads__remove(struct threads *threads, struct thread *thread);
int threads__for_each_thread(struct threads *threads,
int (*fn)(struct thread *thread, void *data),
void *data);
#endif /* __PERF_THREADS_H */
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