134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*
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Copyright (c) 2006-2020 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HAWK_BTX_H_
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#define _HAWK_BTX_H_
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#include <hawk-cmn.h>
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typedef struct hawk_mtx_t hawk_mtx_t;
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#if defined(_WIN32)
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/* <winnt.h> => typedef PVOID HANDLE; */
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typedef void* hawk_mtx_hnd_t;
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#elif defined(__OS2__)
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/* typdef unsigned long ULONG;
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* typedef ULONG HMTX; */
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typedef unsigned long hawk_mtx_hnd_t;
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#elif defined(__DOS__)
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/* not implemented. define it to a fake type */
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typedef hawk_uintptr_t hawk_mtx_hnd_t;
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#elif defined(__BEOS__)
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/* typedef int32 sem_id;
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* typedef sem_id hawk_mtx_hnd_t; */
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typdef hawk_int32_t hawk_mtx_hnd_t;
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#else
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# if (HAWK_SIZEOF_PTHREAD_MUTEX_T == 0)
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/* no mutex support. just define it to an integer type to make the compiler happy */
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typedef hawk_uintptr_t hawk_mtx_hnd_t;
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# elif (HAWK_SIZEOF_PTHREAD_MUTEX_T == HAWK_SIZEOF_INT)
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# if defined(HAWK_PTHREAD_MUTEX_T_IS_SIGNED)
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typedef int hawk_mtx_hnd_t;
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# else
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typedef unsigned int hawk_mtx_hnd_t;
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# endif
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# elif (HAWK_SIZEOF_PTHREAD_MUTEX_T == HAWK_SIZEOF_LONG)
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# if defined(HAWK_PTHREAD_MUTEX_T_IS_SIGNED)
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typedef long hawk_mtx_hnd_t;
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# else
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typedef unsigned long hawk_mtx_hnd_t;
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# endif
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# else
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# include <hawk-pac1.h>
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struct hawk_mtx_hnd_t
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{
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hawk_uint8_t b[HAWK_SIZEOF_PTHREAD_MUTEX_T];
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};
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typedef struct hawk_mtx_hnd_t hawk_mtx_hnd_t;
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# include <hawk-upac.h>
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# endif
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#endif
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struct hawk_mtx_t
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{
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hawk_gem_t* gem;
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hawk_mtx_hnd_t hnd;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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HAWK_EXPORT hawk_mtx_t* hawk_mtx_open (
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hawk_gem_t* gem,
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hawk_oow_t xtnsize
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);
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HAWK_EXPORT void hawk_mtx_close (
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hawk_mtx_t* mtx
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);
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HAWK_EXPORT int hawk_mtx_init (
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hawk_mtx_t* mtx,
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hawk_gem_t* gem
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);
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HAWK_EXPORT void hawk_mtx_fini (
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hawk_mtx_t* mtx
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);
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#if defined(HAWK_HAVE_INLINE)
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static HAWK_INLINE void* hawk_mtx_getxtn (hawk_mtx_t* mtx) { return (void*)(mtx + 1); }
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#else
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#define hawk_mtx_getxtn(mtx) ((void*)((hawk_mtx_t*)(mtx) + 1))
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#endif
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HAWK_EXPORT int hawk_mtx_lock (
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hawk_mtx_t* mtx,
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const hawk_ntime_t* waiting_time
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);
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HAWK_EXPORT int hawk_mtx_unlock (
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hawk_mtx_t* mtx
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);
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HAWK_EXPORT int hawk_mtx_trylock (
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hawk_mtx_t* mtx
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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