Risistemate le trattazioni delle opzioni SO_KEEPALIVE e SO_REUSEADDR, con

[gapil.git] / listati / sockbindopt.c

diff --git a/listati/sockbindopt.c b/listati/sockbindopt.c
new file mode 100644 (file)
index 0000000..19a77c6
--- /dev/null
+++ b/listati/sockbindopt.c
@@ -0,0 +1,21 @@
+int sockbindopt(char *host, char *serv, int prot, int type, int reuse) 
+{
+    struct addrinfo hint, *addr, *save;
+    int res;
+    int sock;
+    char buf[INET6_ADDRSTRLEN];
+    ...
+    while (addr != NULL) {                 /* loop on possible addresses */
+       /* get a socket */
+       sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+       ...
+       /* connect the socket */
+       if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 
+                      &reuse, sizeof(reuse))) {
+           printf("error on socket options\n");
+           return -1;
+       }
+       ...
+
+    return sock;
+}