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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
#ifndef ERL_ASYNC_H__
#define ERL_ASYNC_H__
#define ERTS_MAX_NO_OF_ASYNC_THREADS 1024
extern int erts_async_max_threads;
#define ERTS_ASYNC_THREAD_MIN_STACK_SIZE 16 /* Kilo words */
#define ERTS_ASYNC_THREAD_MAX_STACK_SIZE 8192 /* Kilo words */
extern int erts_async_thread_suggested_stack_size;
#ifdef USE_THREADS
#ifdef ERTS_SMP
/*
* With smp support we can choose to have, or not to
* have an async ready queue.
*/
#define ERTS_USE_ASYNC_READY_Q 1
#endif
#ifndef ERTS_SMP
/* In non-smp case we *need* the async ready queue */
# undef ERTS_USE_ASYNC_READY_Q
# define ERTS_USE_ASYNC_READY_Q 1
#endif
#ifndef ERTS_USE_ASYNC_READY_Q
# define ERTS_USE_ASYNC_READY_Q 0
#endif
#if ERTS_USE_ASYNC_READY_Q
int erts_check_async_ready(void *);
int erts_async_ready_clean(void *, void *);
void *erts_get_async_ready_queue(Uint sched_id);
#define ERTS_ASYNC_READY_CLEAN 0
#define ERTS_ASYNC_READY_DIRTY 1
#ifdef ERTS_SMP
#define ERTS_ASYNC_READY_NEED_THR_PRGR 2
#endif
#endif /* ERTS_USE_ASYNC_READY_Q */
#endif /* USE_THREADS */
void erts_init_async(void);
void erts_exit_flush_async(void);
#endif /* ERL_ASYNC_H__ */
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