openssl/crypto/async/async_locl.h
Matt Caswell 0ff2b9ac0b Implement local thread pools
Implement the ASYNC_JOB as a local thread pool. Remove the API support
for global pools.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:33:46 +00:00

89 lines
3.3 KiB
C

/* crypto/async/async_locl.h */
/*
* Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
*/
/* ====================================================================
* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#include <openssl/async.h>
#include <openssl/crypto.h>
typedef struct async_ctx_st ASYNC_CTX;
#include "arch/async_win.h"
#include "arch/async_posix.h"
#include "arch/async_null.h"
struct async_ctx_st {
ASYNC_FIBRE dispatcher;
ASYNC_JOB *currjob;
};
struct async_job_st {
ASYNC_FIBRE fibrectx;
int (*func) (void *);
void *funcargs;
int ret;
int status;
int wake_set;
int wait_fd;
int wake_fd;
};
DECLARE_STACK_OF(ASYNC_JOB)
void ASYNC_start_func(void);
STACK_OF(ASYNC_JOB) *async_get_pool(void);
void async_set_pool(STACK_OF(ASYNC_JOB) *poolin, size_t curr_size,
size_t max_size);
void async_increment_pool_size(void);
void async_release_job_to_pool(ASYNC_JOB *job);
size_t async_pool_max_size(void);
void async_release_pool(void);
int async_pool_can_grow(void);