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135 lines
3.8 KiB
135 lines
3.8 KiB
/* GSL - Generic Sound Layer
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* Copyright (C) 2001 Stefan Westerfeld and Tim Janik
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GSL_DEFS_H__
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#define __GSL_DEFS_H__
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/* configure checks */
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#include <gsl/gslconfig.h>
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#include <glib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* --- forward decls --- */
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typedef struct _GslMagic GslMagic;
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typedef struct _GslClass GslClass;
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typedef struct _GslComplex GslComplex;
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typedef struct _GslDataCache GslDataCache;
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typedef struct _GslDataHandle GslDataHandle;
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typedef struct _GslDataHandleFuncs GslDataHandleFuncs;
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typedef struct _GslGlueContext GslGlueContext;
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typedef struct _GslJob GslJob;
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typedef struct _GslModule GslModule;
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typedef struct _GslIStream GslIStream;
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typedef struct _GslJStream GslJStream;
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typedef struct _GslLoader GslLoader;
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typedef struct _GslOStream GslOStream;
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typedef struct _GslThread GslThread;
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typedef struct _GslTrans GslTrans;
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typedef struct _GslWaveChunk GslWaveChunk;
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typedef struct _GslWaveChunkBlock GslWaveChunkBlock;
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typedef struct _GslRecMutex GslRecMutex;
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typedef struct _GslRing GslRing;
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typedef union _GslCond GslCond;
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typedef union _GslMutex GslMutex;
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/* ssize_t/off_t type used within Gsl */
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typedef glong GslLong;
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#define GSL_MAXLONG G_MAXLONG
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/* --- GSL errors --- */
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typedef enum /*< skip >*/
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{
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GSL_ERROR_NONE,
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GSL_ERROR_INTERNAL,
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GSL_ERROR_UNKNOWN,
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/* I/O errors */
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GSL_ERROR_IO,
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GSL_ERROR_PERMS,
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GSL_ERROR_BUSY,
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GSL_ERROR_EXISTS,
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GSL_ERROR_TEMP,
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GSL_ERROR_EOF,
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#define GSL_ERROR_FILE_EMPTY GSL_ERROR_EOF
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GSL_ERROR_NOT_FOUND,
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GSL_ERROR_OPEN_FAILED,
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GSL_ERROR_SEEK_FAILED,
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GSL_ERROR_READ_FAILED,
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GSL_ERROR_WRITE_FAILED,
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/* content errors */
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GSL_ERROR_FORMAT_INVALID,
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GSL_ERROR_FORMAT_UNKNOWN,
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GSL_ERROR_DATA_CORRUPT,
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GSL_ERROR_CONTENT_GLITCH,
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/* miscellaneous errors */
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GSL_ERROR_NO_RESOURCE,
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GSL_ERROR_CODEC_FAILURE,
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GSL_ERROR_LAST /* administrative */
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} GslErrorType;
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/* --- functions --- */
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typedef void (*GslAccessFunc) (GslModule *module,
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gpointer data);
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typedef void (*GslFreeFunc) (gpointer data);
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typedef void (*GslModuleFreeFunc) (gpointer data,
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const GslClass *klass);
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#if defined (BSE_COMPILATION) || defined (BSE_PLUGIN_FALLBACK) \
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|| (GSL_USE_GSL_GLIB) || defined (GSL_EXTENSIONS)
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# define if_expect(cond) if (GSL_GCC_EXPECT (cond))
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# define if_reject(cond) if (GSL_GCC_REJECT (cond))
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#endif
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/* --- implementation details --- */
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#define GSL_ENGINE_MAX_POLLFDS (128)
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union _GslCond
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{
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gpointer cond_pointer;
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guint8 cond_dummy[MAX (8, GSL_SIZEOF_PTH_COND_T)];
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};
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union _GslMutex
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{
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gpointer mutex_pointer;
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guint8 mutex_dummy[MAX (8, GSL_SIZEOF_PTH_MUTEX_T)];
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};
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struct _GslRecMutex
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{
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GslMutex sync_mutex;
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gpointer owner;
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guint depth;
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};
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#if __GNUC__ >= 3 && defined __OPTIMIZE__
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# define GSL_GCC_EXPECT(cond) (__builtin_expect ((cond) != 0, 1))
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# define GSL_GCC_REJECT(cond) (__builtin_expect ((cond) != 0, 0))
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#else
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# define GSL_GCC_EXPECT(cond) cond
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# define GSL_GCC_REJECT(cond) cond
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GSL_DEFS_H__ */
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