{"image_url":null,"author_name":"iww","width":"100%","description":"\u751f\u6210 \u30ed\u30c3\u30af \u30a2\u30f3\u30ed\u30c3\u30af \u5171\u6709\u30e1\u30e2\u30ea \u5099\u8003 \u30d5\u30a1\u30a4\u30eb\u30ed\u30c3\u30af open flock(fd,LOCK_EX) flock(fd,LOCK_UN) \u4e0d\u8981 \u4ed6\u8a00\u8a9e\u3068\u9023\u643a\u53ef 600 \u540d\u524d\u4ed8\u304d\u30bb\u30de\u30d5\u30a9 sem_open sem_wait sem_post \u4e0d\u8981 -pthread 16 \u540d\u524d\u306a\u3057\u30bb\u30de\u30d5\u30a9 sem_init sem_wait sem_post \u5fc5\u8981 -pthread 16 P\u30b9\u30ec\u30c3\u30c9\u306emutex pthread_mutex_init pthread_mutex_lock pthread_mutex_unlock \u5fc5\u8981 -pthread 15 \u5171\u6709\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u624b\u6bb5 POSIX (shm_open\u2026","provider_name":"Hatena Blog","blog_title":"\u63ee\u767a\u6027\u306e\u30e1\u30e2\uff12","author_url":"https://blog.hatena.ne.jp/iww/","title":" \u30d7\u30ed\u30bb\u30b9\u9593\u3067\u306e\u6392\u4ed6\u5236\u5fa1","url":"https://iww.hateblo.jp/entry/20180821/semaphore","published":"2018-08-21 00:00:00","blog_url":"https://iww.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiww.hateblo.jp%2Fentry%2F20180821%2Fsemaphore\" title=\" \u30d7\u30ed\u30bb\u30b9\u9593\u3067\u306e\u6392\u4ed6\u5236\u5fa1 - \u63ee\u767a\u6027\u306e\u30e1\u30e2\uff12\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","categories":["Linux"],"type":"rich","height":"190","version":"1.0"}