{"id":1205,"date":"2019-06-29T10:24:52","date_gmt":"2019-06-29T01:24:52","guid":{"rendered":"https:\/\/www.oji-koji.com\/?p=1205"},"modified":"2021-07-28T10:35:55","modified_gmt":"2021-07-28T01:35:55","slug":"%e3%83%9e%e3%83%ab%e3%83%81%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%a0%e3%80%80%e6%8e%92%e4%bb%96%e5%87%a6%e7%90%86%ef%bc%88%e5%90%8c%e6%9c%9f%e5%88%b6%e5%be%a1","status":"publish","type":"post","link":"https:\/\/www.oji-koji.com\/?p=1205","title":{"rendered":"\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30d7\u30ed\u30b0\u30e9\u30e0\u3000\u6392\u4ed6\u51e6\u7406(\u540c\u671f\u5236\u5fa1)(2019\/07\/11\u66f4\u65b0)"},"content":{"rendered":"\n

\u524d\u56de\u4f5c\u6210\u3057\u305fPrintMAC<\/a>\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\u5148\u305a\u306f\u3001Windows\u7248\u304b\u3089\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/strong>
A:1\u79d2\u3054\u3068\u306b50msec\u9593\u9694\u306710\u500b\u8868\u793a
B:2.5\u79d2\u3054\u3068\u306b100msec\u9593\u9694\u30675\u500b\u8868\u793a
C:3.3\u79d2\u3054\u3068\u306b200msec\u9593\u9694\u30674\u500b\u8868\u793a<\/p>\n\n\n\n

timeGetTime()<\/strong>\u3092\u4f7f\u3046\u305f\u3081\u306bstdThead.h, stdThread.cpp<\/a>\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044
#pragma comment(lib, \u201cWinmm.lib\u201d)<\/strong>\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059 <\/p>\n\n\n\n

\u3010\u671f\u5f85\u3055\u308c\u308b\u51fa\u529b\u4f8b\u3011\nAAAAAAAAAA\nAAAAAAAAAA\nBBBBB\nAAAAAAAAAA\nCCCC\nAAAAAAAAAA<\/p>\n\n\n\n

\u4ee5\u4e0b\u306b\u5909\u66f4\u70b9\u3092\u5217\u6319\u3057\u307e\u3059\u3002
1.CMyThread\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u6587\u5b57\u9593\u8868\u793a\u9593\u9694\u3001\u8868\u793a\u6587\u5b57\u6570\u3092\u8ffd\u52a0<\/p>\n\n\n\n

\u3010MyThread.h\u3011\n\/\/ \u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u69cb\u9020\u4f53\u306b\u3059\u308b\ntypedef struct\n{\n char cData; \/\/ \u8868\u793a\u3059\u308b\u6587\u5b57\n DWORD dwTimer; \/\/ \u8868\u793a\u9593\u9694(msec)\n DWORD dwCharacterInterval; \/\/ \u6587\u5b57\u9593(msec)\n int iNum; \/\/ \u8868\u793a\u3059\u308b\u500b\u6570\n} MyDataRec;<\/p>\n\n\n\n

2.UINT CMyThread::DoWork()\u3092\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u5909\u66f4
cData\u3092dwTimer(msec)\u3054\u3068\u306bdwCharacterInterval(msec)\u9593\u9694\u3067iNum\u500b\u8868\u793a\u3059\u308b\u3088\u3046\u306b
\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010\u30b3\u30e9\u30e0(\u7d4c\u904e\u6642\u9593\u3092\u8abf\u3079\u308b\u95a2\u6570\u3011<\/strong>
timeGetTime()<\/strong>\u306f32bits\u7b26\u53f7\u306a\u3057\u6574\u6570\u306a\u306e\u3067\u30012^32=49.71\u65e5\u3067\u4e00\u5468\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u7d4c\u904e\u6642\u9593\u3092\u6c42\u3081\u308b\u3068\u304d\u306b\u30011\u5468\u3057\u305f\u3068\u304d\u306e\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002
\u3053\u3053\u3067\u306fGetdwInterval\u3068\u3044\u3046\u95a2\u6570\u3067\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002
timeGetTime()\u306e\u5206\u89e3\u80fd\u306f\u3001timeBeginPeriod \u3068 timeEndPeriod\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\u5206\u89e3\u80fd\u306e\u8a2d\u5b9a\u4f8b
timeBeginPeriod(1); \/\/ \u30bf\u30a4\u30de\u30fc\u306e\u6700\u5c0f\u7cbe\u5ea6\u30921msec\u306b\u3059\u308b
dwNowTime = timeGetTime();
timeEndPeriod(1); \/\/ \u30bf\u30a4\u30de\u30fc\u306e\u6700\u5c0f\u7cbe\u5ea6\u3092\u623b\u3059
\u4ed6\u306bGetTickCount()\u3068\u3044\u3046\u95a2\u6570\u3082\u4f7f\u3048\u307e\u3059\u304c\u3001\u5206\u89e3\u80fd\u306f15msec\u7a0b\u5ea6\u3067\u3059\u3002
timeGetTime()\u3088\u308a\u7cbe\u5ea6\u3092\u4e0a\u3052\u305f\u3044\u3068\u304d\u306fQueryPerformanceCounter\u3092\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

\u3010MyThread.cpp\u3011\nUINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime; \/\/ \u524d\u56de\u8868\u793a\u3057\u305f\u6642\u523b\u3001\u73fe\u5728\u6642\u523b\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime(); \/\/ \u73fe\u5728\u6642\u523b(Windows\u306e\u8d77\u52d5\u304b\u3089\u306emsec)\n \/\/ \u524d\u56de\u306e\u8868\u793a\u6642\u523b\u304b\u3089dwTimer\u7d4c\u904e\u3057\u305f\u304b\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n \/\/ \u6307\u5b9a\u3055\u308c\u305f\u6761\u4ef6\u3067\u6587\u5b57\u3092\u8868\u793a\u3059\u308b\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n Sleep(m_pMyData->dwCharacterInterval);\n }\n fprintf(stderr, “\\n”);\n dwPrevTime = dwNowTime; \/\/ \u8868\u793a\u3057\u305f\u6642\u523b\u3092\u899a\u3048\u308b\n }\n }\n return(1);\n}<\/p>\n\n\n\n

3.CMyThread\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u6642\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5909\u66f4 <\/p>\n\n\n\n

\u3010PrintMAC.cpp\u3011\nint main(int argc, char *argv[])\n{\n MyDataRec MyData[3] = { { ‘A’, 1000, 50, 10 }, {‘B’, 2000, 100, 5}, {‘C’, 3300, 200, 4} };\n CMyThread *pCMyThread[3] = { NULL };\n int ii;\n\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii] = new CMyThread(&MyData[ii]); \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf(\u69cb\u9020\u4f53)\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3059\n pCMyThread[ii]->Begin(); \/\/ \u958b\u59cb\n }\n getchar(); \/\/ Enter\u30ad\u30fc\u5f85\u3061\n\n for (ii = 0; ii < 3; ++ii)\n pCMyThread[ii]->End(); \/\/ \u30b9\u30ec\u30c3\u30c9\u306b\u7d42\u4e86\u3092\u901a\u77e5\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii]->WaitForEnd(); \/\/ \u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064\n SAFE_DELETE(pCMyThread[ii]) \/\/ \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u7834\u68c4\n }\n return(0);\n}<\/p>\n\n\n\n

\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

C:\\PrintMACN\\x64\\Debug>PrintMAC\nCABAABACBAABAACBAA\n\nC\nAAAAAAAAAA\nABABAABAABAABAA\n\nAAAAAACAAAAC\nCCABABA\nAABABAABAA<\/p>\n\n\n\n

\u671f\u5f85\u901a\u308a\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002
\u4f55\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f
\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\uff08\u30bf\u30b9\u30af\uff09\u304c\u5171\u901a\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u540c\u6642\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3044\u3046\u4e8b\u614b\u304c
\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002
\u5171\u901a\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u3068\u3044\u3046\u306e\u306f\u3001\u30e1\u30e2\u30ea(\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u5909\u6570)\u3084\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002
\u3053\u3053\u3067\u306f\u3001\u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u306b\u3001\u540c\u6642\u306b3\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002
UINT CMyThread::DoWork()\u306eSleep(m_pMyData->dwCharacterInterval);
\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u3001\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u5b9f\u884c\u304c\u79fb\u3063\u3066\u3044\u307e\u3059\u3002
\u5171\u901a\u306e\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u76f4\u5217\u5316(\u51e6\u7406\u304c\u7d42\u308f\u308b\u307e\u3067\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u5b9f\u884c\u3055\u305b\u306a\u3044\u3088\u3046\u306b)
\u3059\u308b\u306e\u304c\u3001\u540c\u671f\u51e6\u7406\u3067\u3059\u3002<\/p>\n\n\n\n

Windows\u306e\u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002
\u540d\u524d\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u901f\u5ea6\u3000\u30d7\u30ed\u30bb\u30b9\u9593\u540c\u671f\u3000\u30ea\u30bd\u30fc\u30b9\u30ab\u30a6\u30f3\u30c8\u6a5f\u80fd
\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3<\/strong>\u3000\u9ad8\u3000\u3000\u306a\u3057\u3000\u3000\u3000\u3000\u3000\u3000\u306a\u3057\uff08\u6392\u4ed6\u30a2\u30af\u30bb\u30b9\uff09
\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9<\/strong>\u3000\u3000\u3000\u3000\u3000\u4f4e\u3000\u3000\u3042\u308a\u3000\u3000\u3000\u3000\u3000\u3000\u306a\u3057\uff08\u6392\u4ed6\u30a2\u30af\u30bb\u30b9\uff09
\u30bb\u30de\u30d5\u30a9\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4f4e\u3000\u3000\u3042\u308a\u3000\u3000\u3000\u3000\u3000\u3000\u3042\u308a
\u30a4\u30d9\u30f3\u30c8\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4f4e\u3000\u3000\u3042\u308a\u3000\u3000\u3000\u3000\u3000\u3000\u3042\u308a
\u30e1\u30fc\u30bf\u30fc\u30c9\u30bb\u30af\u30b7\u30e7\u30f3\u3000\u3000\u9ad8\u3000\u3000\u3042\u308a\u3000\u3000\u3000\u3000\u3000\u3000\u3042\u308a
\u3053\u3053\u3067\u306f\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u3068\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

1.\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\uff1aPrintMACCriticalSection<\/strong>
2.\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\uff1aPrintMACMutex<\/strong>
PrintMAC\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u30d5\u30a9\u30eb\u30c0\u540d\u3001\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u540d\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\u3092
\u5909\u66f4\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

\u6700\u521d\u306b\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059<\/strong>\u3002
\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u6240\u6709\u3057\u3066\u3044\u308b\u30b9\u30ec\u30c3\u30c9\u306e\u307f\u304c\u5b9f\u884c\u53ef\u80fd\u306b\u306a\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002
CMyThread\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u69cb\u9020\u4f53\u306e\u30e1\u30f3\u30d0\u306bCRITICAL_SECTION<\/strong>\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010MyThread.h\u3011\ntypedef struct\n{\n char cData; \/\/ \u8868\u793a\u3059\u308b\u6587\u5b57\n DWORD dwTimer; \/\/ \u8868\u793a\u9593\u9694(msec)\n DWORD dwCharacterInterval; \/\/ \u6587\u5b57\u9593(msec)\n int iNum; \/\/ \u8868\u793a\u3059\u308b\u500b\u6570\n CRITICAL_SECTION *pcs; \/\/ \u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n} MyDataRec;<\/p>\n\n\n\n

\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u306eAPI
VOID InitializeCriticalSection(LPCRITICAL_SECTION lpCriticalSection);<\/strong>
\u6307\u5b9a\u3055\u308c\u305f\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u521d\u671f\u5316\u3057\u307e\u3059
VOID DeleteCriticalSection(LPCRITICAL_SECTION lpCriticalSection);<\/strong>
\u6240\u6709\u3055\u308c\u3066\u3044\u306a\u3044\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3057\u3001
\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f7f\u3063\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3057\u307e\u3059\u3002
VOID EnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection);<\/strong>
\u6307\u5b9a\u3055\u308c\u305f\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u6a5f\u3057\u307e\u3059\u3002
VOID LeaveCriticalSection(LPCRITICAL_SECTION lpCriticalSection);<\/strong>
\u6307\u5b9a\u3055\u308c\u305f\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6240\u6709\u6a29\u3092\u89e3\u653e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u521d\u671f\u5316\u3057\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3057\u3001\u4f7f\u7528\u5f8c\u958b\u653e\u3059\u308b\u51e6\u7406\u3067\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3010PrintMAC.cpp\u3011\nint main(int argc, char *argv[])\n{\n MyDataRec MyData[3] = { { ‘A’, 1000, 50, 10 }, {‘B’, 2000, 100, 5}, {‘C’, 3300, 200, 4} };\n CMyThread *pCMyThread[3] = { NULL };\n int ii;\n CRITICAL_SECTION cs; \/\/ \u2605\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\n\n InitializeCriticalSection(&cs); \/\/ \u2605\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u521d\u671f\u5316\n for (ii = 0; ii < 3; ++ii) \/\/ \u2605\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u30bb\u30c3\u30c8\n MyData[ii].pcs = &cs;\n\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii] = new CMyThread(&MyData[ii]); \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf(\u69cb\u9020\u4f53)\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3059\n pCMyThread[ii]->Begin(); \/\/ \u958b\u59cb\n }\n getchar(); \/\/ Enter\u30ad\u30fc\u5f85\u3061\n\n for (ii = 0; ii < 3; ++ii)\n pCMyThread[ii]->End(); \/\/ \u30b9\u30ec\u30c3\u30c9\u306b\u7d42\u4e86\u3092\u901a\u77e5\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii]->WaitForEnd(); \/\/ \u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064\n SAFE_DELETE(pCMyThread[ii]) \/\/ \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u7834\u68c4\n }\n DeleteCriticalSection(&cs); \/\/ \u2605\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u958b\u653e\n return(0);\n}<\/p>\n\n\n\n

\u5404\u30b9\u30ec\u30c3\u30c9\u304c\u5b9f\u884c\u3059\u308b\u95a2\u6570\u306b\u540c\u671f\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3010MyThrtead.cpp\u3011\nUINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime; \/\/ \u524d\u56de\u8868\u793a\u3057\u305f\u6642\u523b\u3001\u73fe\u5728\u6642\u523b\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime(); \/\/ \u73fe\u5728\u6642\u523b(Windows\u306e\u8d77\u52d5\u304b\u3089\u306emsec)\n \/\/ \u524d\u56de\u306e\u8868\u793a\u6642\u523b\u304b\u3089dwTimer\u7d4c\u904e\u3057\u305f\u304b\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n EnterCriticalSection(m_pMyData->pcs); \/\/ \u2605\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3064\n \/\/ \u6307\u5b9a\u3055\u308c\u305f\u6761\u4ef6\u3067\u6587\u5b57\u3092\u8868\u793a\u3059\u308b\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n Sleep(m_pMyData->dwCharacterInterval);\n }\n fprintf(stderr, “\\n”);\n LeaveCriticalSection(m_pMyData->pcs); \/\/ \u2605\u6240\u6709\u6a29\u3092\u958b\u653e\u3059\u308b\n dwPrevTime = dwNowTime; \/\/ \u8868\u793a\u3057\u305f\u6642\u523b\u3092\u899a\u3048\u308b\n }\n }\n return(1);\n}<\/p>\n\n\n\n

\u3053\u308c\u3067\u5b8c\u6210\u3067\u3059\u3002
\u671f\u5f85\u901a\u308a\u306e\u52d5\u4f5c\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

C:\\PrintMACNCriticalSection\\x64\\Debug>PrintMACCriticalSection.exe\nBBBBB\nAAAAAAAAAA\nAAAAAAAAAA\nCCCC\nBBBBB\nAAAAAAAAAA\nCCCC\nAA<\/p>\n\n\n\n

\u6b21\u306b\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002<\/strong>
\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306eAPI
HANDLE CreateMutex(
LPSECURITY_ATTRIBUTES lpMutexAttributes, \/\/ \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a18\u8ff0\u5b50
BOOL bInitialOwner, \/\/ \u6700\u521d\u306e\u6240\u6709\u8005
LPCTSTR lpName \/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d
);<\/strong>
\u540d\u524d\u4ed8\u304d\u307e\u305f\u306f\u540d\u524d\u306a\u3057\u306e\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u307e\u305f\u306f\u958b\u304d\u307e\u3059\u3002
\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a18\u8ff0\u5b50\uff1aNULL\u3092\u6307\u5b9a
\u6700\u521d\u306e\u6240\u6709\u8005\uff1aFALSE\u3092\u6307\u5b9a\uff08\u6240\u6709\u8005\u306a\u3057\uff09
\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\uff1aNULL\u3092\u6307\u5b9a\uff08\u540d\u524d\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u3092\u6e21\u3063\u3066
\u6709\u52b9\u306a\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u304c\u3067\u304d\u308b\uff09
DWORD WaitForSingleObject(HANDLE hMutex, INFINITE);<\/strong>
\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3061\u7d9a\u3051\u308b
BOOL ReleaseMutex(HANDLE hMutex);<\/strong>
\u6307\u5b9a\u3055\u308c\u305f\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6240\u6709\u6a29\u3092\u89e3\u653e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

CMyThread\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u69cb\u9020\u4f53\u306e\u30e1\u30f3\u30d0\u306b\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u30cf\u30f3\u30c9\u30eb<\/strong>\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010MyThread.h\u3011\ntypedef struct\n{\n char cData; \/\/ \u8868\u793a\u3059\u308b\u6587\u5b57\n DWORD dwTimer; \/\/ \u8868\u793a\u9593\u9694(msec)\n DWORD dwCharacterInterval; \/\/ \u6587\u5b57\u9593(msec)\n int iNum; \/\/ \u8868\u793a\u3059\u308b\u500b\u6570\n HANDLE *phMutex; \/\/ \u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n} MyDataRec;<\/p>\n\n\n\n

\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3057\u3001\u4f7f\u7528\u5f8c\u7834\u68c4\u3059\u308b\u51e6\u7406\u3067\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f<\/p>\n\n\n\n

\u3010PrintMAC.cpp\u3011\nint main(int argc, char *argv[])\n{\n MyDataRec MyData[3] = { { ‘A’, 1000, 50, 10 }, {‘B’, 2000, 100, 5}, {‘C’, 3300, 200, 4} };\n CMyThread *pCMyThread[3] = { NULL };\n int ii;\n HANDLE hMutex; \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u30cf\u30f3\u30c9\u30eb\n\n hMutex = CreateMutex(NULL, FALSE, NULL); \/\/ \u2605\u6240\u6709\u8005\u306e\u306a\u3044\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u4f5c\u6210 \n for (ii = 0; ii < 3; ++ii) \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u30bb\u30c3\u30c8\n MyData[ii].phMutex = &hMutex;\n\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii] = new CMyThread(&MyData[ii]); \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf(\u69cb\u9020\u4f53)\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3059\n pCMyThread[ii]->Begin(); \/\/ \u958b\u59cb\n }\n getchar(); \/\/ Enter\u30ad\u30fc\u5f85\u3061\n\n for (ii = 0; ii < 3; ++ii)\n pCMyThread[ii]->End(); \/\/ \u30b9\u30ec\u30c3\u30c9\u306b\u7d42\u4e86\u3092\u901a\u77e5\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii]->WaitForEnd(); \/\/ \u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064\n SAFE_DELETE(pCMyThread[ii]) \/\/ \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u7834\u68c4\n }\n CloseHandle(hMutex); \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u7834\u68c4\n return(0);\n}<\/p>\n\n\n\n

\u5404\u30b9\u30ec\u30c3\u30c9\u304c\u5b9f\u884c\u3059\u308b\u95a2\u6570\u306b\u540c\u671f\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3010MyThread.cpp\u3011\nUINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime; \/\/ \u524d\u56de\u8868\u793a\u3057\u305f\u6642\u523b\u3001\u73fe\u5728\u6642\u523b\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime(); \/\/ \u73fe\u5728\u6642\u523b(Windows\u306e\u8d77\u52d5\u304b\u3089\u306emsec)\n \/\/ \u524d\u56de\u306e\u8868\u793a\u6642\u523b\u304b\u3089dwTimer\u7d4c\u904e\u3057\u305f\u304b\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n WaitForSingleObject(*(m_pMyData->phMutex), INFINITE); \/\/ \u2605\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3061\u7d9a\u3051\u308b\n \/\/ \u6307\u5b9a\u3055\u308c\u305f\u6761\u4ef6\u3067\u6587\u5b57\u3092\u8868\u793a\u3059\u308b\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n Sleep(m_pMyData->dwCharacterInterval);\n }\n fprintf(stderr, “\\n”);\n ReleaseMutex(*(m_pMyData->phMutex)); \/\/ \u2605\u6240\u6709\u6a29\u3092\u89e3\u653e\n dwPrevTime = dwNowTime; \/\/ \u8868\u793a\u3057\u305f\u6642\u523b\u3092\u899a\u3048\u308b\n }\n }\n return(1);\n}<\/p>\n\n\n\n

\u3053\u308c\u3067\u5b8c\u6210\u3067\u3059\u3002
\u671f\u5f85\u901a\u308a\u306e\u52d5\u4f5c\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

Linux\u7248\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/strong>
Windows\u306e\u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002
\u540d\u524d
\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9<\/strong>
\u30bb\u30de\u30d5\u30a9
\u3053\u3053\u3067\u306f\u3001\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\uff1aPrintMACMutex<\/strong>
PrintMAC\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u30d5\u30a9\u30eb\u30c0\u540d\u3001\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u540d\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\u3001makefile
\u306e\u5909\u66f4\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

Linux\u306emutex\u3092\u53d6\u308a\u6271\u3046\u305f\u3081\u306eAPI
int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr);<\/strong>
mutex \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3001 mutexattr \u3067\u6307\u5b9a\u3055\u308c\u305f mutex \u5c5e\u6027\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b
\u5f93\u3063\u3066\u521d\u671f\u5316\u3059\u308b\u3002 mutexattr \u304c NULL, \u306a\u3089\u3070\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5c5e\u6027\u304c\u4f7f\u308f\u308c\u308b\u3002
\u5e38\u306b 0 \u3092\u8fd4\u3059
int pthread_mutex_destroy(pthread_mutex_t *mutex);<\/strong>
mutex \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7834\u58ca\u3057\u3001\u305d\u308c\u304c\u4fdd\u6301\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8cc7\u6e90\u3092
\u958b\u653e\u3059\u308b\u3002mutex \u306f\u95a2\u6570\u306e\u958b\u59cb\u6642\u70b9\u3067\u30a2\u30f3\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002
\u6210\u529f\u3059\u308c\u3070 0 \u3092\u8fd4\u3057\u3001 \u30a8\u30e9\u30fc\u3067\u306f\u975e\u30bc\u30ed\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u8fd4\u3059
int pthread_mutex_lock(pthread_mutex_t *mutex);<\/strong>
\u6307\u5b9a\u3057\u305fmutex\u3092\u30ed\u30c3\u30af\u3059\u308b\u3002
mutex \u304c\u73fe\u5728\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001 \u305d\u308c\u306f\u30ed\u30c3\u30af\u3055\u308c\u3001\u547c\u3073\u51fa\u3057\u30b9\u30ec\u30c3\u30c9\u306b
\u3088\u3063\u3066\u6240\u6709\u3055\u308c\u308b\u3002\u3053\u306e\u5834\u5408 pthread_mutex_lock \u306f\u76f4\u3061\u306b\u8fd4\u308b\u3002
mutex \u304c\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u3088\u3063\u3066\u65e2\u306b\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u305f\u306e\u306a\u3089\u3070\u3001 pthread_mutex_lock\u306f
mutex \u304c\u30a2\u30f3\u30ed\u30c3\u30af\u3055\u308c\u308b\u307e\u3067\u547c\u3073\u51fa\u3057\u30b9\u30ec\u30c3\u30c9\u306e\u5b9f\u884c\u3092\u505c\u6b62\u3055\u305b\u308b\u3002
\u6210\u529f\u3059\u308c\u3070 0 \u3092\u8fd4\u3057\u3001 \u30a8\u30e9\u30fc\u3067\u306f\u975e\u30bc\u30ed\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u8fd4\u3059
int pthread_mutex_unlock(pthread_mutex_t *mutex);<\/strong>
\u6307\u5b9a\u3057\u305fmutex\u3092\u30a2\u30f3\u30ed\u30c3\u30af\u3059\u308b\u3002
\u6210\u529f\u3059\u308c\u3070 0 \u3092\u8fd4\u3057\u3001 \u30a8\u30e9\u30fc\u3067\u306f\u975e\u30bc\u30ed\u306e\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u8fd4\u3059<\/p>\n\n\n\n

CMyThread\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u69cb\u9020\u4f53\u306e\u30e1\u30f3\u30d0\u306bpthread_mutex_t<\/strong>\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010MyThread.h\u3011\ntypedef struct\n{\n char cData; \/\/ \u8868\u793a\u3059\u308b\u6587\u5b57\n DWORD dwTimer; \/\/ \u8868\u793a\u9593\u9694(msec)\n DWORD dwCharacterInterval; \/\/ \u6587\u5b57\u9593(msec)\n int iNum; \/\/ \u8868\u793a\u3059\u308b\u500b\u6570\n pthread_mutex_t *pmutex; \/\/ \u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n} MyDataRec;<\/p>\n\n\n\n

\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u3092\u521d\u671f\u5316\u3057\u3001\u5404\u30b9\u30ec\u30c3\u30c9\u306b\u6e21\u3057\u3001\u4f7f\u7528\u5f8c\u7834\u68c4\u3059\u308b\u51e6\u7406\u3067\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f<\/p>\n\n\n\n

\u3010PrintMAC.cpp\u3011\nint main(int argc, char *argv[])\n{\n MyDataRec MyData[3] = { { ‘A’, 1000, 50, 10 }, {‘B’, 2000, 100, 5}, {‘C’, 3300, 200, 4} };\n CMyThread *pCMyThread[3] = { NULL };\n int ii;\n pthread_mutex_t mutex; \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\n\n pthread_mutex_init(&mutex, NULL); \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u521d\u671f\u5316\n for (ii = 0; ii < 3; ++ii)\n MyData[ii].pmutex = &mutex;\n\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii] = new CMyThread(&MyData[ii]); \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf(\u69cb\u9020\u4f53)\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3059\n pCMyThread[ii]->Begin(); \/\/ \u958b\u59cb\n }\n getchar(); \/\/ Enter\u30ad\u30fc\u5f85\u3061\n\n for (ii = 0; ii < 3; ++ii)\n pCMyThread[ii]->End(); \/\/ \u30b9\u30ec\u30c3\u30c9\u306b\u7d42\u4e86\u3092\u901a\u77e5\n for (ii = 0; ii < 3; ++ii)\n {\n pCMyThread[ii]->WaitForEnd(); \/\/ \u7d42\u4e86\u3059\u308b\u306e\u3092\u5f85\u3064\n SAFE_DELETE(pCMyThread[ii]) \/\/ \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u7834\u68c4\n }\n pthread_mutex_destroy(&mutex); \/\/ \u2605\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u7834\u68c4\n return(0);\n}<\/p>\n\n\n\n

\u5404\u30b9\u30ec\u30c3\u30c9\u304c\u5b9f\u884c\u3059\u308b\u95a2\u6570\u306b\u540c\u671f\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u5909\u66f4\u7b87\u6240\u306b\u306f\u2605\u3092\u4ed8\u3051\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3010MyThread.cpp\u3011\nUINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime;\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime();\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n pthread_mutex_lock(m_pMyData->pmutex); \/\/ \u2605\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3064\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n usleep(m_pMyData->dwCharacterInterval * 1000);\n }\n fprintf(stderr, “\\n”);\n pthread_mutex_unlock(m_pMyData->pmutex); \/\/ \u2605\u6240\u6709\u6a29\u3092\u958b\u653e\u3059\u308b\n dwPrevTime = dwNowTime;\n }\n }\n return(1);\n}<\/p>\n\n\n\n

\u3053\u308c\u3067\u5b8c\u6210\u3067\u3059\u3002
\u671f\u5f85\u901a\u308a\u306e\u52d5\u4f5c\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

pi@shimodaPi1:~\/PrintMACMutex $ .\/PrintMACMutex\nAAAAAAAAAA\nBBBBB\nCCCC\nAAAAAAAAAA\nAAAAAAAAAA\nBBBBB\nCCCC\nAAAAAAAAAA\nAAAAAAAAAA\nBBBBB\nAAAAAAAA<\/p>\n\n\n\n

\u5b8c\u6210\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044
A:1\u79d2\u3054\u3068\u306b50msec\u9593\u9694\u306725\u500b\u8868\u793a
B:2.5\u79d2\u3054\u3068\u306b100msec\u9593\u9694\u30675\u500b\u8868\u793a
C:3.3\u79d2\u3054\u3068\u306b200msec\u9593\u9694\u30674\u500b\u8868\u793a
CMyThread\u306b\u6e21\u3059\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\uff11\u304b\u6240\u3092\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u3059\u3002
MyDataRec MyData[3] = { { ‘A’, 1000, 50, 25<\/strong> }, {‘B’, 2000, 100, 5}, {‘C’, 3300, 200, 4} };
\u3069\u3046\u306a\u308a\u307e\u3057\u305f\u304b\u3002<\/p>\n\n\n\n

pi@shimodaPi1:~\/PrintMACMutex $ .\/PrintMACMutex\nAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAA\nAA \u2190\u3053\u3053\u3067ENTER\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3057\u305f\u3002\nCThreadFunc End\nCCC\nThreadFunc End\nBBBBB\nThreadFunc End<\/p>\n\n\n\n

A\u3057\u304b\u8868\u793a\u3057\u3066\u3044\u307e\u305b\u3093\u3002
ENTER\u30ad\u30fc\u3092\u62bc\u3059\u3068\u3001B\u3084C\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u30b9\u30ec\u30c3\u30c9\u306f\u3061\u3083\u3093\u3068\u52d5\u3044\u3066\u3044\u305f\u3088\u3046\u3067\u3059\u3002
\u8868\u793a\u3059\u308b\u95a2\u6570\u3092\u3082\u3046\u4e00\u5ea6\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

UINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime;\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime();\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n pthread_mutex_lock(m_pMyData->pmutex); \/\/ \u2460\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3064\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n usleep(m_pMyData->dwCharacterInterval * 1000);\n }\n fprintf(stderr, “\\n”);\n pthread_mutex_unlock(m_pMyData->pmutex); \/\/ \u2461\u6240\u6709\u6a29\u3092\u958b\u653e\u3059\u308b\n dwPrevTime = dwNowTime;\n }\n }\n return(1);\n}<\/p>\n\n\n\n

\u2460\u3067\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u6240\u6709\u6a29\u3092\u7372\u5f97\u3057\u3066\u2461\u3067\u958b\u653e\u3057\u307e\u3059\u3002
\u2461\u3092\u5b9f\u65bd\u5f8c\u2460\u304c\u5b9f\u65bd\u3055\u308c\u308b\u307e\u3067\u306b\u3001\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u6240\u6709\u6a29\u3092\u7372\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
{ ‘A’, 1000, 50, 25 }\u3068\u3044\u3046\u6761\u4ef6\u3067\u5b9f\u65bd\u3059\u308b\u3068
\u2460-\u2461\u3067\u300150*25=1250msec\u30671000msec\u3092\u304a\u8d85\u3048\u3066\u3044\u308b\u306e\u3067\u3001\u2461-\u2460\u306e\u9593\u304c\u306a\u304f\u3059\u3050\u306b\u2460
\u304c\u5b9f\u65bd\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u305d\u306e\u305f\u3081\u3001\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u6240\u6709\u6a29\u3092\u7372\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u4e8b\u614b\u304c\u8d77\u3053\u3063\u3066\u3044\u307e\u3059\u3002
\u3053\u308c\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u2461\u306b\u3059\u3050\u5f8c\u306busleep(0);\u3092\u66f8\u3044\u3066\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u5b9f\u884c\u306e\u30c1\u30e3\u30f3\u30b9\u3092
\u4e0e\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

UINT CMyThread::DoWork()\n{\n int ii;\n DWORD dwPrevTime = 0, dwNowTime;\n\n while (!m_fStopFlag)\n {\n dwNowTime = timeGetTime();\n if (GetdwInterval(dwNowTime, dwPrevTime) >= m_pMyData->dwTimer)\n {\n pthread_mutex_lock(m_pMyData->pmutex); \/\/ \u2460\u6240\u6709\u6a29\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u5f85\u3064\n for (ii = 0; ii < m_pMyData->iNum; ++ii)\n {\n fprintf(stderr, “%c”, m_pMyData->cData);\n usleep(m_pMyData->dwCharacterInterval * 1000);\n }\n fprintf(stderr, “\\n”);\n pthread_mutex_unlock(m_pMyData->pmutex); \/\/ \u2461\u6240\u6709\u6a29\u3092\u958b\u653e\u3059\u308b\n usleep(0); \/\/ \u2605\u4ed6\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u5b9f\u884c\u306e\u30c1\u30e3\u30f3\u30b9\u3092\u4e0e\u3048\u308b\n dwPrevTime = dwNowTime;\n }\n }\n return(1);\n}<\/p>\n\n\n\n

\u671f\u5f85\u901a\u308a\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

pi@shimodaPi1:~\/PrintMACMutex $ .\/PrintMACMutex\nBBBBB\nAAAAAAAAAAAAAAAAAAAAAAAAA\nCCCC\nAAAAAAAAAAAAAAAAAAAAAAAAA\nBBBBB\nCCCC\nAAAAAAAAAAAAAAAAAAAAAAAAA\nBBBBB\nAAAAAAAAAAAAAAAAAAAAAAAAA\nCCC\nC\nBThreadFunc End\nBBBB\nAThreadFunc End\nAAAAAAAAAAAAAAAAAAAAAAAA\nThreadFunc End<\/p>\n\n\n\n

Windows\u7248(CriticalSection, Mutex\u4e21\u65b9\u3068\u3082)o\u3067\u540c\u69d8\u306b{ \u2018A\u2019, 1000, 50, 25 }\u3068\u3066\u3082
\u4eca\u56de\u4f7f\u7528\u3057\u3066\u3044\u308bWindows\u306e\u74b0\u5883\u3067\u306f\u3001\u3053\u306e\u73fe\u8c61\u306f\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u3067\u3059\u3002
\u5ff5\u306e\u305f\u3081Sleep(0)\u3092\u5165\u308c\u3066\u304a\u304f\u65b9\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eAPI\u304cWindows\u3068Linux\u3067\u7570\u306a\u3063\u3066\u3044\u305f\u308a\u3001\u5225\u306e\u540c\u671f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b
\u5909\u66f4\u3059\u308b\u3001\u5c11\u3057\u5909\u66f4(Sleep(0)\u3092\u3044\u308c\u308b\u304b\u3001\u3044\u308c\u306a\u3044\u304b)\u3068\u304d\u306b\u3001\u30e1\u30a4\u30f3\u306e\u30bd\u30fc\u30b9\u3092\u5909\u66f4
\u3059\u308b\u306e\u306f\u5927\u5909\u306a\u306e\u3067\u4f7f\u3044\u65b9(API)\u3092\u5171\u901a\u5316\u3059\u308b\u305f\u3081\u306e\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002
\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u6b21\u56de\u3068\u3044\u3046\u3053\u3068\u3067\u3002<\/p>\n\n\n\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8PrintMACCriticalSection for Windows<\/a><\/p>\n\n\n\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8PrintMACMutex for Windows<\/a><\/p>\n\n\n\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8PrintMACMutex for Linux<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u524d\u56de\u4f5c\u6210\u3057\u305fPrintMAC\u3092\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5148\u305a\u306f\u3001Windows\u7248\u304b\u3089\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002 A:1\u79d2\u3054\u3068\u306b50msec\u9593\u9694\u306710\u500b\u8868\u793a B:2.5\u79d2\u3054\u3068\u306b100msec\u9593\u9694\u30675\u500b\u8868\u793a C:3.3\u79d2\u3054\u3068\u306b2 […]<\/p>\n","protected":false},"author":1,"featured_media":129,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"https:\/\/www.oji-koji.com\/?p=1205","footnotes":""},"categories":[6],"tags":[],"class_list":["post-1205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networkprograming","ja"],"_links":{"self":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/1205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1205"}],"version-history":[{"count":87,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/1205\/revisions"}],"predecessor-version":[{"id":3089,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/posts\/1205\/revisions\/3089"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=\/wp\/v2\/media\/129"}],"wp:attachment":[{"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oji-koji.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}