sbthread.h

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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
 * Copyright (c) 2008 Carnegie Mellon University.  All rights
 * reserved.
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * This work was supported in part by funding from the Defense Advanced 
 * Research Projects Agency and the National Science Foundation of the 
 * United States of America, and the CMU Sphinx Speech Consortium.
 *
 * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND 
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#ifndef __SBTHREAD_H__
#define __SBTHREAD_H__

#include <sphinx_config.h>

#include <sphinxbase/sphinxbase_export.h>
#include <sphinxbase/cmd_ln.h>

#ifdef __cplusplus
extern "C" {
#endif
#if 0
/* Fool Emacs. */
}
#endif

typedef struct sbthread_s sbthread_t;

typedef struct sbmsgq_s sbmsgq_t;

typedef struct sbmtx_s sbmtx_t;

typedef struct sbevent_s sbevent_t;

typedef int (*sbthread_main)(sbthread_t *th);

SPHINXBASE_EXPORT
sbthread_t *sbthread_start(cmd_ln_t *config, sbthread_main func, void *arg);

SPHINXBASE_EXPORT
int sbthread_wait(sbthread_t *th);

SPHINXBASE_EXPORT
void sbthread_free(sbthread_t *th);

SPHINXBASE_EXPORT
cmd_ln_t *sbthread_config(sbthread_t *th);

SPHINXBASE_EXPORT
void *sbthread_arg(sbthread_t *th);

SPHINXBASE_EXPORT
sbmsgq_t *sbthread_msgq(sbthread_t *th);

SPHINXBASE_EXPORT
int sbthread_wait(sbthread_t *th);

SPHINXBASE_EXPORT
int sbthread_send(sbthread_t *th, size_t len, void const *data);

SPHINXBASE_EXPORT
sbmsgq_t *sbmsgq_init(size_t depth);

SPHINXBASE_EXPORT
void sbmsgq_free(sbmsgq_t *q);

SPHINXBASE_EXPORT
int sbmsgq_send(sbmsgq_t *q, size_t len, void const *data);

SPHINXBASE_EXPORT
void *sbmsgq_wait(sbmsgq_t *q, size_t *out_len, int sec, int nsec);

SPHINXBASE_EXPORT
sbmtx_t *sbmtx_init(void);

SPHINXBASE_EXPORT
int sbmtx_trylock(sbmtx_t *mtx);

SPHINXBASE_EXPORT
int sbmtx_lock(sbmtx_t *mtx);

SPHINXBASE_EXPORT
int sbmtx_unlock(sbmtx_t *mtx);

SPHINXBASE_EXPORT
void sbmtx_free(sbmtx_t *mtx);

SPHINXBASE_EXPORT
sbevent_t *sbevent_init(void);

SPHINXBASE_EXPORT
void sbevent_free(sbevent_t *evt);

SPHINXBASE_EXPORT
int sbevent_signal(sbevent_t *evt);

SPHINXBASE_EXPORT
int sbevent_wait(sbevent_t *evt, int sec, int nsec);


#ifdef __cplusplus
}
#endif


#endif /* __SBTHREAD_H__ */