鍦≦t绋嬪簭涓紝鍙互浣跨敤QProcess绫绘潵鎵ц绯荤粺鍛戒护锛屼粠鑰岃缃瓹PU璋冨害绛栫暐鍙傛暟銆?/p>

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涓嬮潰鏄竴涓ず渚嬩唬鐮侊細

#include <QCoreApplication>
#include <QProcess>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QProcess process;
process.setProgram("sudo"); // 璁剧疆瑕佹墽琛岀殑绯荤粺鍛戒护
process.setArguments({"chrt", "-r", "99", "./your_program"}); // 璁剧疆鍛戒护鐨勫弬鏁帮紝杩欓噷鏄缃瓹PU璋冨害绛栫暐涓哄疄鏃剁瓥鐣ワ紙SCHED_FIFO锛夛紝浼樺厛绾т负99
process.start(); // 鍚姩杩涚▼
return a.exec();
}

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鍦ㄥ疄闄呬娇鐢ㄤ腑锛屼綘鍙兘闇€瑕佹牴鎹笉鍚岀殑鎿嶄綔绯荤粺鍜岃皟搴︾瓥鐣ヨ繘琛岀浉搴旂殑璋冩暣銆傝鏌ラ槄鐩稿叧鎿嶄綔绯荤粺鍜岃皟搴︾瓥鐣ョ殑鏂囨。锛屼互浜嗚В鏇村璇︾粏淇℃伅銆?/p>