mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
85 lines
3.8 KiB
C++
85 lines
3.8 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
|
|
#ident "$Id$"
|
|
/*======
|
|
This file is part of PerconaFT.
|
|
|
|
|
|
Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
|
|
|
|
PerconaFT is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2,
|
|
as published by the Free Software Foundation.
|
|
|
|
PerconaFT 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
----------------------------------------
|
|
|
|
PerconaFT is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License, version 3,
|
|
as published by the Free Software Foundation.
|
|
|
|
PerconaFT 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 Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
|
|
======= */
|
|
|
|
#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
|
|
|
|
#pragma once
|
|
|
|
#include <stdio.h>
|
|
|
|
// A toku_thread is toku_pthread that can be cached.
|
|
struct toku_thread;
|
|
|
|
// Run a function f on a thread
|
|
// This function setups up the thread to run function f with argument arg and then wakes up
|
|
// the thread to run it.
|
|
void toku_thread_run(struct toku_thread *thread, void *(*f)(void *arg), void *arg);
|
|
|
|
// A toku_thread_pool is a pool of toku_threads. These threads can be allocated from the pool
|
|
// and can run an arbitrary function.
|
|
struct toku_thread_pool;
|
|
|
|
typedef struct toku_thread_pool *THREADPOOL;
|
|
|
|
// Create a new threadpool
|
|
// Effects: a new threadpool is allocated and initialized. the number of threads in the threadpool is limited to max_threads.
|
|
// If max_threads == 0 then there is no limit on the number of threads in the pool.
|
|
// Initially, there are no threads in the pool. Threads are allocated by the _get or _run functions.
|
|
// Returns: if there are no errors, the threadpool is set and zero is returned. Otherwise, an error number is returned.
|
|
int toku_thread_pool_create(struct toku_thread_pool **threadpoolptr, int max_threads);
|
|
|
|
// Destroy a threadpool
|
|
// Effects: the calling thread joins with all of the threads in the threadpool.
|
|
// Effects: the threadpool memory is freed.
|
|
// Returns: the threadpool is set to null.
|
|
void toku_thread_pool_destroy(struct toku_thread_pool **threadpoolptr);
|
|
|
|
// Get the current number of threads in the thread pool
|
|
int toku_thread_pool_get_current_threads(struct toku_thread_pool *pool);
|
|
|
|
// Get one or more threads from the thread pool
|
|
// dowait indicates whether or not the caller blocks waiting for threads to free up
|
|
// nthreads on input determines the number of threads that are wanted
|
|
// nthreads on output indicates the number of threads that were allocated
|
|
// toku_thread_return on input supplies an array of thread pointers (all NULL). This function returns the threads
|
|
// that were allocated in the array.
|
|
int toku_thread_pool_get(struct toku_thread_pool *pool, int dowait, int *nthreads, struct toku_thread **toku_thread_return);
|
|
|
|
// Run a function f on one or more threads allocated from the thread pool
|
|
int toku_thread_pool_run(struct toku_thread_pool *pool, int dowait, int *nthreads, void *(*f)(void *arg), void *arg);
|
|
|
|
// Print the state of the thread pool
|
|
void toku_thread_pool_print(struct toku_thread_pool *pool, FILE *out);
|