X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/f7aa4b367eaf2c1e928f97263bcf4da74680aff3..42466758a12a92c5efb190ee0e2884d8657c1a27:/unix/uxnet.c

diff --git a/unix/uxnet.c b/unix/uxnet.c
index e9515241..d8460c19 100644
--- a/unix/uxnet.c
+++ b/unix/uxnet.c
@@ -80,8 +80,6 @@ struct Socket_tag {
     int connected;		       /* irrelevant for listening sockets */
     int writable;
     int frozen; /* this causes readability notifications to be ignored */
-    int frozen_readable; /* this means we missed at least one readability
-			  * notification while we were frozen */
     int localhost_only;		       /* for listening sockets */
     char oobdata[1];
     int sending_oob;
@@ -343,7 +341,7 @@ void sk_getaddr(SockAddr addr, char *buf, int buflen)
     }
 }
 
-int sk_hostname_is_local(char *name)
+int sk_hostname_is_local(const char *name)
 {
     return !strcmp(name, "localhost") ||
 	   !strcmp(name, "::1") ||
@@ -507,7 +505,6 @@ Socket sk_register(OSSocket sockfd, Plug plug)
     ret->writable = 1;		       /* to start with */
     ret->sending_oob = 0;
     ret->frozen = 1;
-    ret->frozen_readable = 0;
     ret->localhost_only = 0;	       /* unused, but best init anyway */
     ret->pending_error = 0;
     ret->oobpending = FALSE;
@@ -540,7 +537,7 @@ static int try_connect(Actual_Socket sock)
     const union sockaddr_union *sa;
     int err = 0;
     short localport;
-    int fl, salen, family;
+    int salen, family;
 
     /*
      * Remove the socket from the tree before we overwrite its
@@ -695,9 +692,7 @@ static int try_connect(Actual_Socket sock)
 	exit(1); /* XXX: GCC doesn't understand assert() on some systems. */
     }
 
-    fl = fcntl(s, F_GETFL);
-    if (fl != -1)
-	fcntl(s, F_SETFL, fl | O_NONBLOCK);
+    nonblock(s);
 
     if ((connect(s, &(sa->sa), salen)) < 0) {
 	if ( errno != EINPROGRESS ) {
@@ -745,7 +740,6 @@ Socket sk_new(SockAddr addr, int port, int privport, int oobinline,
     ret->writable = 0;		       /* to start with */
     ret->sending_oob = 0;
     ret->frozen = 0;
-    ret->frozen_readable = 0;
     ret->localhost_only = 0;	       /* unused, but best init anyway */
     ret->pending_error = 0;
     ret->parent = ret->child = NULL;
@@ -799,7 +793,6 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
     ret->writable = 0;		       /* to start with */
     ret->sending_oob = 0;
     ret->frozen = 0;
-    ret->frozen_readable = 0;
     ret->localhost_only = local_host_only;
     ret->pending_error = 0;
     ret->parent = ret->child = NULL;
@@ -1255,7 +1248,6 @@ static int net_select_result(int fd, int event)
 	    union sockaddr_union su;
 	    socklen_t addrlen = sizeof(su);
 	    int t;  /* socket of connection */
-            int fl;
 
 	    memset(&su, 0, addrlen);
 	    t = accept(s->s, &su.sa, &addrlen);
@@ -1263,9 +1255,7 @@ static int net_select_result(int fd, int event)
 		break;
 	    }
 
-            fl = fcntl(t, F_GETFL);
-            if (fl != -1)
-                fcntl(t, F_SETFL, fl | O_NONBLOCK);
+            nonblock(t);
 
 	    if (s->localhost_only &&
 		!sockaddr_is_loopback(&su.sa)) {
@@ -1282,10 +1272,8 @@ static int net_select_result(int fd, int event)
 	 */
 
 	/* In the case the socket is still frozen, we don't even bother */
-	if (s->frozen) {
-	    s->frozen_readable = 1;
+	if (s->frozen)
 	    break;
-	}
 
 	/*
 	 * We have received data on the socket. For an oobinline
@@ -1438,11 +1426,6 @@ static void sk_tcp_set_frozen(Socket sock, int is_frozen)
     if (s->frozen == is_frozen)
 	return;
     s->frozen = is_frozen;
-    if (!is_frozen && s->frozen_readable) {
-	char c;
-	recv(s->s, &c, 1, MSG_PEEK);
-    }
-    s->frozen_readable = 0;
     uxsel_tell(s);
 }