static ASYNC_JOB *async_get_pool_job(void) {
ASYNC_JOB *job;
async_pool *pool;
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
if (pool == NULL) {
/*
* Pool has not been initialised, so init with the defaults, i.e.
* no max size and no pre-created jobs
*/
if (ASYNC_init_thread(0, 0) == 0)
return NULL;
pool = (async_pool *)CRYPTO_THREAD_get_local(&poolkey);
}
job = sk_ASYNC_JOB_pop(pool->jobs);
if (job == NULL) {
/* Pool is empty */
if ((pool->max_size != 0) && (pool->curr_size >= pool->max_size))
return NULL;
job = async_job_new();
if (job != NULL) {
if (! async_fibre_makecontext(&job->fibrectx)) {
async_job_free(job);
return NULL;
}
pool->curr_size++;
}
}
return job;
}
int ASYNC_init_thread(size_t max_size, size_t init_size)
{
async_pool *pool;
size_t curr_size = 0;
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
if (!OPENSSL_init_crypto(OPENSSL_INIT_ASYNC, NULL)) {
return 0;
}
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC)) {
return 0;
}
pool = OPENSSL_zalloc(sizeof(*pool));
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool->jobs = sk_ASYNC_JOB_new_reserve(NULL, init_size);
if (pool->jobs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(pool);
return 0;
}
pool->max_size = max_size;
/* Pre-create jobs as required */
while (init_size--) {
ASYNC_JOB *job;
job = async_job_new();
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
/*
* Not actually fatal because we already created the pool, just
* skip creation of any more jobs
*/
async_job_free(job);
break;
}
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job); /* Cannot fail due to reserve */
curr_size++;
}
pool->curr_size = curr_size;
if (!CRYPTO_THREAD_set_local(&poolkey, pool)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
goto err;
}
return 1;
err:
async_free_pool_internal(pool);
return 0;
}
int ASYNC_init_thread(size_t max_size, size_t init_size)
{
async_pool *pool;
size_t curr_size = 0;
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
if (!async_local_init()) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INIT_FAILED);
return 0;
}
pool = OPENSSL_zalloc(sizeof *pool);
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool->jobs = sk_ASYNC_JOB_new_null();
if (pool->jobs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(pool);
return 0;
}
pool->max_size = max_size;
/* Pre-create jobs as required */
while (init_size--) {
ASYNC_JOB *job;
job = async_job_new();
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
/*
* Not actually fatal because we already created the pool, just
* skip creation of any more jobs
*/
async_job_free(job);
break;
}
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job);
curr_size++;
}
pool->curr_size = curr_size;
if (!async_set_pool(pool)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
goto err;
}
return 1;
err:
async_free_pool_internal(pool);
return 0;
}
static void async_empty_pool(async_pool *pool)
{
ASYNC_JOB *job;
if (!pool || !pool->jobs)
return;
do {
job = sk_ASYNC_JOB_pop(pool->jobs);
async_job_free(job);
} while (job);
}
/**
* main_entry:
*
* Main function of RetroArch.
*
* If HAVE_MAIN is not defined, will contain main loop and will not
* be exited from until we exit the program. Otherwise, will
* just do initialization.
*
* Returns: varies per platform.
**/
int rarch_main(int argc, char *argv[], void *data)
{
void *args = (void*)data;
int ret = 0;
settings_t *settings = NULL;
rarch_ctl(RARCH_CTL_PREINIT, NULL);
frontend_driver_init_first(args);
rarch_ctl(RARCH_CTL_INIT, NULL);
#ifdef HAVE_THREADS
async_jobs = async_job_new();
#endif
if (frontend_driver_is_inited())
{
ret = main_load_content(argc, argv, args,
frontend_driver_environment_get_ptr());
if (!ret)
return ret;
}
event_cmd_ctl(EVENT_CMD_HISTORY_INIT, NULL);
settings = config_get_ptr();
if (settings->history_list_enable)
{
char *fullpath = NULL;
rarch_system_info_t *system = NULL;
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath);
if (content_ctl(CONTENT_CTL_IS_INITED, NULL) || system->no_content)
history_playlist_push(
g_defaults.history,
fullpath,
settings->libretro,
system ? &system->info : NULL);
}
ui_companion_driver_init_first();
#ifndef HAVE_MAIN
do
{
unsigned sleep_ms = 0;
ret = runloop_iterate(&sleep_ms);
if (ret == 1 && sleep_ms > 0)
retro_sleep(sleep_ms);
runloop_ctl(RUNLOOP_CTL_DATA_ITERATE, NULL);
}while(ret != -1);
main_exit(args);
#endif
#ifdef HAVE_THREADS
async_job_free(async_jobs);
async_jobs = NULL;
#endif
return 0;
}