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add reuseaddr

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ubuntu201711081 2020-12-03 23:16:51 +00:00
parent d5f1fafd0b
commit 2880b0791e
1 changed files with 6 additions and 1 deletions
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7
server.c
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@ -136,12 +136,17 @@ int main(int argc, const char *argv[]){
fprintf(stderr,"port invalid"); fprintf(stderr,"port invalid");
return 1; return 1;
} }
sock = socket(AF_INET,SOCK_STREAM,0); sock = socket(AF_INET,SOCK_STREAM,0);
if(sock < 0){ if(sock < 0){
perror("sock create fail"); perror("sock create fail");
return 1; return 1;
} }
{
int option = 1;
if(setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,&option,sizeof(option)) < 0){
perror("setsockopt");
}
}
addr.sin_addr.s_addr = inet_addr(server_name); addr.sin_addr.s_addr = inet_addr(server_name);
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_port = htons(server_port); addr.sin_port = htons(server_port);