鍦↙inux鎿嶄綔绯荤粺涓紝setsockopt鍑芥暟鐢ㄤ簬璁剧疆濂楁帴瀛楅€夐」銆傚鎺ュ瓧閫夐」鏄竴缁勭敤浜庨厤缃拰鎺у埗濂楁帴瀛楄涓虹殑鍙傛暟銆傞€氳繃setsockopt鍑芥暟锛屽彲浠ュ湪鍒涘缓濂楁帴瀛楀悗锛屼絾鍦ㄤ娇鐢ㄥ鎺ュ瓧杩涜閫氫俊涔嬪墠锛屽濂楁帴瀛楃殑鍚勭鍙傛暟杩涜璁剧疆銆?/p>

setsockopt鍑芥暟鐨勫師鍨嬪涓嬶細

int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen);

鍙傛暟璇存槑锛?/p>

• sockfd锛氶渶瑕佽缃€夐」鐨勫鎺ュ瓧鏂囦欢鎻忚堪绗︺€?/li>
• level锛氶€夐」鎵€灞炵殑鍗忚灞傦紝鍙互鏄疭OL_SOCKET锛堥€氱敤濂楁帴瀛楅€夐」锛夋垨IPPROTO_TCP锛圱CP濂楁帴瀛楅€夐」锛夌瓑銆?/li>
• optname锛氶€夐」鍚嶏紝鐢ㄤ簬鎸囧畾瑕佽缃殑閫夐」銆?/li>
• optval锛氭寚鍚戝瓨鍌ㄩ€夐」鍊肩殑缂撳啿鍖虹殑鎸囬拡銆?/li>
• optlen锛氭寚瀹氶€夐」鍊肩殑闀垮害銆?/li>

setsockopt鍑芥暟鐨勫父瑙佺敤閫斿寘鎷細

• 寮€鍚垨鍏抽棴濂楁帴瀛楃殑閫夐」锛屽SO_REUSEADDR锛堝厑璁稿湴鍧€閲嶇敤锛夈€丼O_KEEPALIVE锛堝惎鐢ㄤ繚鎸佽繛鎺ュ姛鑳斤級绛夈€?/li>
• 璁剧疆濂楁帴瀛楃殑瓒呮椂鏃堕棿锛屽SO_RCVTIMEO锛堟帴鏀惰秴鏃舵椂闂达級鍜孲O_SNDTIMEO锛堝彂閫佽秴鏃舵椂闂达級绛夈€?/li>
• 璁剧疆濂楁帴瀛楃殑缂撳啿鍖哄ぇ灏忥紝濡係O_RCVBUF锛堟帴鏀剁紦鍐插尯澶у皬锛夊拰SO_SNDBUF锛堝彂閫佺紦鍐插尯澶у皬锛夌瓑銆?/li>
• 璁剧疆IP鍜孴CP鐩稿叧鐨勯€夐」锛屽IP_TTL锛圛P鏁版嵁鍖呯殑鐢熷瓨鏃堕棿锛夈€乀CP_NODELAY锛堢鐢∟agle绠楁硶锛夌瓑銆?/li>

鎬讳箣锛宻etsockopt鍑芥暟鎻愪緵浜嗗濂楁帴瀛楄繘琛岀伒娲婚厤缃拰鎺у埗鐨勮兘鍔涳紝浣垮緱寮€鍙戣€呭彲浠ユ牴鎹叿浣撻渶姹傚濂楁帴瀛楄繘琛屽畾鍒跺寲璁剧疆銆?/p>