mirror of
https://github.com/transmission/transmission
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110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef TR_PLATFORM_H
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#define TR_PLATFORM_H 1
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#ifdef SYS_BEOS
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#include <kernel/OS.h>
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#define BEOS_MAX_THREADS 256
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typedef thread_id tr_thread_id_t;
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typedef sem_id tr_lock_t;
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typedef struct
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{
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sem_id sem;
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thread_id threads[BEOS_MAX_THREADS];
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int start;
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int end;
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} tr_cond_t;
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#else
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#include <pthread.h>
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typedef pthread_t tr_thread_id_t;
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typedef pthread_mutex_t tr_lock_t;
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typedef pthread_cond_t tr_cond_t;
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#endif
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typedef struct tr_thread_s
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{
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void (* func ) ( void * );
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void * arg;
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char * name;
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tr_thread_id_t thread;
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}
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tr_thread_t;
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const char * tr_getHomeDirectory( void );
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const char * tr_getCacheDirectory( void );
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const char * tr_getTorrentsDirectory( void );
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/**
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* When instantiating a thread with a deferred call to tr_threadCreate(),
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* initializing it to THREAD_EMPTY makes calls tr_threadJoin() safe.
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*/
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const tr_thread_t THREAD_EMPTY;
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void tr_threadCreate ( tr_thread_t *, void (*func)(void *),
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void * arg, const char * name );
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void tr_threadJoin ( tr_thread_t * );
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void tr_lockInit ( tr_lock_t * );
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void tr_lockClose ( tr_lock_t * );
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int tr_lockTryLock ( tr_lock_t * );
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void tr_lockLock ( tr_lock_t * );
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void tr_lockUnlock ( tr_lock_t * );
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void tr_condInit ( tr_cond_t * );
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void tr_condSignal ( tr_cond_t * );
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void tr_condBroadcast ( tr_cond_t * );
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void tr_condClose ( tr_cond_t * );
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void tr_condWait ( tr_cond_t *, tr_lock_t * );
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/***
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**** RW lock:
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**** The lock can be had by one writer or any number of readers.
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***/
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typedef struct tr_rwlock_s
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{
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tr_lock_t lock;
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tr_cond_t readCond;
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tr_cond_t writeCond;
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size_t readCount;
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size_t wantToRead;
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size_t wantToWrite;
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int haveWriter;
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}
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tr_rwlock_t;
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void tr_rwInit ( tr_rwlock_t * );
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void tr_rwClose ( tr_rwlock_t * );
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void tr_rwReaderLock ( tr_rwlock_t * );
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int tr_rwReaderTrylock ( tr_rwlock_t * );
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void tr_rwReaderUnlock ( tr_rwlock_t * );
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void tr_rwWriterLock ( tr_rwlock_t * );
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int tr_rwWriterTrylock ( tr_rwlock_t * );
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void tr_rwWriterUnlock ( tr_rwlock_t * );
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struct in_addr; /* forward declaration to calm gcc down */
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int
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tr_getDefaultRoute( struct in_addr * addr );
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#endif
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