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/*
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*******************************************************************************
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\file mt.c
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\brief Multithreading
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\project bee2 [cryptographic library]
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\author (C) Sergey Agievich [agievich@{bsu.by|gmail.com}]
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\created 2014.10.10
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\version 2015.08.27
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\license This program is released under the GNU General Public License
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version 3. See Copyright Notices in bee2/info.h.
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*******************************************************************************
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*/
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#include "bee2/core/mem.h"
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#include "bee2/core/mt.h"
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#include "bee2/core/util.h"
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/*
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*******************************************************************************
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Мьютексы
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*******************************************************************************
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*/
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#ifdef OS_WIN
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bool_t mtMtxCreate(mt_mtx_t* mtx)
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{
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ASSERT(memIsValid(mtx, sizeof(mt_mtx_t)));
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*mtx = CreateMutex(0, FALSE, 0);
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return *mtx != NULL;
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}
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bool_t mtMtxIsValid(const mt_mtx_t* mtx)
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{
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return memIsValid(mtx, sizeof(mt_mtx_t)) && *mtx != NULL;
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}
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void mtMtxLock(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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WaitForSingleObject(*mtx, INFINITE);
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}
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void mtMtxUnlock(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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ReleaseMutex(*mtx);
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}
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void mtMtxClose(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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CloseHandle(*mtx);
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}
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#elif defined OS_UNIX
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1
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bool_t mtMtxCreate(mt_mtx_t* mtx)
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{
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1
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ASSERT(memIsValid(mtx, sizeof(mt_mtx_t)));
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1
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return pthread_mutex_init(mtx, 0) == 0;
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}
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bool_t mtMtxIsValid(const mt_mtx_t* mtx)
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{
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return memIsValid(mtx, sizeof(mt_mtx_t));
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}
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void mtMtxLock(mt_mtx_t* mtx)
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{
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1
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ASSERT(mtMtxIsValid(mtx));
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1
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pthread_mutex_lock(mtx);
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}
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void mtMtxUnlock(mt_mtx_t* mtx)
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{
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1
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ASSERT(mtMtxIsValid(mtx));
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1
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pthread_mutex_unlock(mtx);
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}
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1
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void mtMtxClose(mt_mtx_t* mtx)
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{
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1
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ASSERT(mtMtxIsValid(mtx));
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pthread_mutex_destroy(mtx);
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}
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#else
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bool_t mtMtxCreate(mt_mtx_t* mtx)
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{
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return TRUE;
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}
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bool_t mtMtxIsValid(const mt_mtx_t* mtx)
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{
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return TRUE;
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}
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void mtMtxLock(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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}
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void mtMtxUnlock(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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}
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void mtMtxClose(mt_mtx_t* mtx)
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{
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ASSERT(mtMtxIsValid(mtx));
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}
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#endif // OS
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/*
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*******************************************************************************
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Потоки
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*******************************************************************************
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*/
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#ifdef OS_WIN
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void mtSleep(u32 ms)
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{
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Sleep(ms);
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}
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#elif defined OS_UNIX
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#include <time.h>
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1
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void mtSleep(u32 ms)
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{
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struct timespec ts;
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ts.tv_sec = (time_t)ms, ts.tv_sec /= 1000;
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1
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ts.tv_nsec = (long)ms, ts.tv_nsec *= 1000, ts.tv_nsec *= 1000;
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1
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ts.tv_nsec %= 1000000000l;
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1
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nanosleep(&ts, 0);
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}
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#else
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void mtSleep(u32 ms)
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{
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}
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#endif // OS
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agievich