|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
|
|
Packit |
c4476c |
*
|
|
Packit |
c4476c |
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
Packit |
c4476c |
* this file except in compliance with the License. You can obtain a copy
|
|
Packit |
c4476c |
* in the file LICENSE in the source distribution or at
|
|
Packit |
c4476c |
* https://www.openssl.org/source/license.html
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Without this we start getting longjmp crashes because it thinks we're jumping
|
|
Packit |
c4476c |
* up the stack when in fact we are jumping to an entirely different stack. The
|
|
Packit |
c4476c |
* cost of this is not having certain buffer overrun/underrun checks etc for
|
|
Packit |
c4476c |
* this source file :-(
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
#undef _FORTIFY_SOURCE
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/* This must be the first #include file */
|
|
Packit |
c4476c |
#include "async_local.h"
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
#include <openssl/err.h>
|
|
Packit |
c4476c |
#include "crypto/cryptlib.h"
|
|
Packit |
c4476c |
#include <string.h>
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
#define ASYNC_JOB_RUNNING 0
|
|
Packit |
c4476c |
#define ASYNC_JOB_PAUSING 1
|
|
Packit |
c4476c |
#define ASYNC_JOB_PAUSED 2
|
|
Packit |
c4476c |
#define ASYNC_JOB_STOPPING 3
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static CRYPTO_THREAD_LOCAL ctxkey;
|
|
Packit |
c4476c |
static CRYPTO_THREAD_LOCAL poolkey;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static async_ctx *async_ctx_new(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *nctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC))
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
nctx = OPENSSL_malloc(sizeof(*nctx));
|
|
Packit |
c4476c |
if (nctx == NULL) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_CTX_NEW, ERR_R_MALLOC_FAILURE);
|
|
Packit |
c4476c |
goto err;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
async_fibre_init_dispatcher(&nctx->dispatcher);
|
|
Packit |
c4476c |
nctx->currjob = NULL;
|
|
Packit |
c4476c |
nctx->blocked = 0;
|
|
Packit |
c4476c |
if (!CRYPTO_THREAD_set_local(&ctxkey, nctx))
|
|
Packit |
c4476c |
goto err;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return nctx;
|
|
Packit |
c4476c |
err:
|
|
Packit |
c4476c |
OPENSSL_free(nctx);
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
async_ctx *async_get_ctx(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
return (async_ctx *)CRYPTO_THREAD_get_local(&ctxkey);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static int async_ctx_free(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *ctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx = async_get_ctx();
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!CRYPTO_THREAD_set_local(&ctxkey, NULL))
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
OPENSSL_free(ctx);
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return 1;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static ASYNC_JOB *async_job_new(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
ASYNC_JOB *job = NULL;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
job = OPENSSL_zalloc(sizeof(*job));
|
|
Packit |
c4476c |
if (job == NULL) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_JOB_NEW, ERR_R_MALLOC_FAILURE);
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
job->status = ASYNC_JOB_RUNNING;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return job;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static void async_job_free(ASYNC_JOB *job)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
if (job != NULL) {
|
|
Packit |
c4476c |
OPENSSL_free(job->funcargs);
|
|
Packit |
c4476c |
async_fibre_free(&job->fibrectx);
|
|
Packit |
c4476c |
OPENSSL_free(job);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static ASYNC_JOB *async_get_pool_job(void) {
|
|
Packit |
c4476c |
ASYNC_JOB *job;
|
|
Packit |
c4476c |
async_pool *pool;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
|
|
Packit |
c4476c |
if (pool == NULL) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Pool has not been initialised, so init with the defaults, i.e.
|
|
Packit |
c4476c |
* no max size and no pre-created jobs
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
if (ASYNC_init_thread(0, 0) == 0)
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
job = sk_ASYNC_JOB_pop(pool->jobs);
|
|
Packit |
c4476c |
if (job == NULL) {
|
|
Packit |
c4476c |
/* Pool is empty */
|
|
Packit |
c4476c |
if ((pool->max_size != 0) && (pool->curr_size >= pool->max_size))
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
job = async_job_new();
|
|
Packit |
c4476c |
if (job != NULL) {
|
|
Packit |
c4476c |
if (! async_fibre_makecontext(&job->fibrectx)) {
|
|
Packit |
c4476c |
async_job_free(job);
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
pool->curr_size++;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
return job;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static void async_release_job(ASYNC_JOB *job) {
|
|
Packit |
c4476c |
async_pool *pool;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
|
|
Packit |
c4476c |
OPENSSL_free(job->funcargs);
|
|
Packit |
c4476c |
job->funcargs = NULL;
|
|
Packit |
c4476c |
sk_ASYNC_JOB_push(pool->jobs, job);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void async_start_func(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
ASYNC_JOB *job;
|
|
Packit |
c4476c |
async_ctx *ctx = async_get_ctx();
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
while (1) {
|
|
Packit |
c4476c |
/* Run the job */
|
|
Packit |
c4476c |
job = ctx->currjob;
|
|
Packit |
c4476c |
job->ret = job->func(job->funcargs);
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/* Stop the job */
|
|
Packit |
c4476c |
job->status = ASYNC_JOB_STOPPING;
|
|
Packit |
c4476c |
if (!async_fibre_swapcontext(&job->fibrectx,
|
|
Packit |
c4476c |
&ctx->dispatcher, 1)) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Should not happen. Getting here will close the thread...can't do
|
|
Packit |
c4476c |
* much about it
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_START_FUNC, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *wctx, int *ret,
|
|
Packit |
c4476c |
int (*func)(void *), void *args, size_t size)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *ctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return ASYNC_ERR;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx = async_get_ctx();
|
|
Packit |
c4476c |
if (ctx == NULL)
|
|
Packit |
c4476c |
ctx = async_ctx_new();
|
|
Packit |
c4476c |
if (ctx == NULL)
|
|
Packit |
c4476c |
return ASYNC_ERR;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (*job)
|
|
Packit |
c4476c |
ctx->currjob = *job;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
for (;;) {
|
|
Packit |
c4476c |
if (ctx->currjob != NULL) {
|
|
Packit |
c4476c |
if (ctx->currjob->status == ASYNC_JOB_STOPPING) {
|
|
Packit |
c4476c |
*ret = ctx->currjob->ret;
|
|
Packit |
c4476c |
ctx->currjob->waitctx = NULL;
|
|
Packit |
c4476c |
async_release_job(ctx->currjob);
|
|
Packit |
c4476c |
ctx->currjob = NULL;
|
|
Packit |
c4476c |
*job = NULL;
|
|
Packit |
c4476c |
return ASYNC_FINISH;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (ctx->currjob->status == ASYNC_JOB_PAUSING) {
|
|
Packit |
c4476c |
*job = ctx->currjob;
|
|
Packit |
c4476c |
ctx->currjob->status = ASYNC_JOB_PAUSED;
|
|
Packit |
c4476c |
ctx->currjob = NULL;
|
|
Packit |
c4476c |
return ASYNC_PAUSE;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (ctx->currjob->status == ASYNC_JOB_PAUSED) {
|
|
Packit |
c4476c |
ctx->currjob = *job;
|
|
Packit |
c4476c |
/* Resume previous job */
|
|
Packit |
c4476c |
if (!async_fibre_swapcontext(&ctx->dispatcher,
|
|
Packit |
c4476c |
&ctx->currjob->fibrectx, 1)) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_START_JOB,
|
|
Packit |
c4476c |
ASYNC_R_FAILED_TO_SWAP_CONTEXT);
|
|
Packit |
c4476c |
goto err;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
continue;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/* Should not happen */
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_INTERNAL_ERROR);
|
|
Packit |
c4476c |
async_release_job(ctx->currjob);
|
|
Packit |
c4476c |
ctx->currjob = NULL;
|
|
Packit |
c4476c |
*job = NULL;
|
|
Packit |
c4476c |
return ASYNC_ERR;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/* Start a new job */
|
|
Packit |
c4476c |
if ((ctx->currjob = async_get_pool_job()) == NULL)
|
|
Packit |
c4476c |
return ASYNC_NO_JOBS;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (args != NULL) {
|
|
Packit |
c4476c |
ctx->currjob->funcargs = OPENSSL_malloc(size);
|
|
Packit |
c4476c |
if (ctx->currjob->funcargs == NULL) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);
|
|
Packit |
c4476c |
async_release_job(ctx->currjob);
|
|
Packit |
c4476c |
ctx->currjob = NULL;
|
|
Packit |
c4476c |
return ASYNC_ERR;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
memcpy(ctx->currjob->funcargs, args, size);
|
|
Packit |
c4476c |
} else {
|
|
Packit |
c4476c |
ctx->currjob->funcargs = NULL;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx->currjob->func = func;
|
|
Packit |
c4476c |
ctx->currjob->waitctx = wctx;
|
|
Packit |
c4476c |
if (!async_fibre_swapcontext(&ctx->dispatcher,
|
|
Packit |
c4476c |
&ctx->currjob->fibrectx, 1)) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
|
|
Packit |
c4476c |
goto err;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
err:
|
|
Packit |
c4476c |
async_release_job(ctx->currjob);
|
|
Packit |
c4476c |
ctx->currjob = NULL;
|
|
Packit |
c4476c |
*job = NULL;
|
|
Packit |
c4476c |
return ASYNC_ERR;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
int ASYNC_pause_job(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
ASYNC_JOB *job;
|
|
Packit |
c4476c |
async_ctx *ctx = async_get_ctx();
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (ctx == NULL
|
|
Packit |
c4476c |
|| ctx->currjob == NULL
|
|
Packit |
c4476c |
|| ctx->blocked) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Could be we've deliberately not been started within a job so this is
|
|
Packit |
c4476c |
* counted as success.
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
return 1;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
job = ctx->currjob;
|
|
Packit |
c4476c |
job->status = ASYNC_JOB_PAUSING;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!async_fibre_swapcontext(&job->fibrectx,
|
|
Packit |
c4476c |
&ctx->dispatcher, 1)) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_PAUSE_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
/* Reset counts of added and deleted fds */
|
|
Packit |
c4476c |
async_wait_ctx_reset_counts(job->waitctx);
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return 1;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
static void async_empty_pool(async_pool *pool)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
ASYNC_JOB *job;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!pool || !pool->jobs)
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
do {
|
|
Packit |
c4476c |
job = sk_ASYNC_JOB_pop(pool->jobs);
|
|
Packit |
c4476c |
async_job_free(job);
|
|
Packit |
c4476c |
} while (job);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
int async_init(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
if (!CRYPTO_THREAD_init_local(&ctxkey, NULL))
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!CRYPTO_THREAD_init_local(&poolkey, NULL)) {
|
|
Packit |
c4476c |
CRYPTO_THREAD_cleanup_local(&ctxkey);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return 1;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void async_deinit(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
CRYPTO_THREAD_cleanup_local(&ctxkey);
|
|
Packit |
c4476c |
CRYPTO_THREAD_cleanup_local(&poolkey);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
int ASYNC_init_thread(size_t max_size, size_t init_size)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_pool *pool;
|
|
Packit |
c4476c |
size_t curr_size = 0;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (init_size > max_size) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC))
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
pool = OPENSSL_zalloc(sizeof(*pool));
|
|
Packit |
c4476c |
if (pool == NULL) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
pool->jobs = sk_ASYNC_JOB_new_reserve(NULL, init_size);
|
|
Packit |
c4476c |
if (pool->jobs == NULL) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
|
|
Packit |
c4476c |
OPENSSL_free(pool);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
pool->max_size = max_size;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
/* Pre-create jobs as required */
|
|
Packit |
c4476c |
while (init_size--) {
|
|
Packit |
c4476c |
ASYNC_JOB *job;
|
|
Packit |
c4476c |
job = async_job_new();
|
|
Packit |
c4476c |
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* Not actually fatal because we already created the pool, just
|
|
Packit |
c4476c |
* skip creation of any more jobs
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
async_job_free(job);
|
|
Packit |
c4476c |
break;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
job->funcargs = NULL;
|
|
Packit |
c4476c |
sk_ASYNC_JOB_push(pool->jobs, job); /* Cannot fail due to reserve */
|
|
Packit |
c4476c |
curr_size++;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
pool->curr_size = curr_size;
|
|
Packit |
c4476c |
if (!CRYPTO_THREAD_set_local(&poolkey, pool)) {
|
|
Packit |
c4476c |
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
|
|
Packit |
c4476c |
goto err;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return 1;
|
|
Packit |
c4476c |
err:
|
|
Packit |
c4476c |
async_empty_pool(pool);
|
|
Packit |
c4476c |
sk_ASYNC_JOB_free(pool->jobs);
|
|
Packit |
c4476c |
OPENSSL_free(pool);
|
|
Packit |
c4476c |
return 0;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void async_delete_thread_state(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_pool *pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (pool != NULL) {
|
|
Packit |
c4476c |
async_empty_pool(pool);
|
|
Packit |
c4476c |
sk_ASYNC_JOB_free(pool->jobs);
|
|
Packit |
c4476c |
OPENSSL_free(pool);
|
|
Packit |
c4476c |
CRYPTO_THREAD_set_local(&poolkey, NULL);
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
async_local_cleanup();
|
|
Packit |
c4476c |
async_ctx_free();
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void ASYNC_cleanup_thread(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
async_delete_thread_state();
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ASYNC_JOB *ASYNC_get_current_job(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *ctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx = async_get_ctx();
|
|
Packit |
c4476c |
if (ctx == NULL)
|
|
Packit |
c4476c |
return NULL;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
return ctx->currjob;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
return job->waitctx;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void ASYNC_block_pause(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *ctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx = async_get_ctx();
|
|
Packit |
c4476c |
if (ctx == NULL || ctx->currjob == NULL) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* We're not in a job anyway so ignore this
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
ctx->blocked++;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
void ASYNC_unblock_pause(void)
|
|
Packit |
c4476c |
{
|
|
Packit |
c4476c |
async_ctx *ctx;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL))
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
|
|
Packit |
c4476c |
ctx = async_get_ctx();
|
|
Packit |
c4476c |
if (ctx == NULL || ctx->currjob == NULL) {
|
|
Packit |
c4476c |
/*
|
|
Packit |
c4476c |
* We're not in a job anyway so ignore this
|
|
Packit |
c4476c |
*/
|
|
Packit |
c4476c |
return;
|
|
Packit |
c4476c |
}
|
|
Packit |
c4476c |
if (ctx->blocked > 0)
|
|
Packit |
c4476c |
ctx->blocked--;
|
|
Packit |
c4476c |
}
|