signal/all: remove return value from setup_sigcontext

[qemu.git] / slirp / slirp.c

diff --git a/slirp/slirp.c b/slirp/slirp.c
index 23e60a0923738515ad7d5000583e085df1356321..35f819afb7befa900412e0c1134db6440d3dd8a7 100644 (file)
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -37,8 +37,6 @@ static const uint8_t special_ethaddr[ETH_ALEN] = {
     0x52, 0x55, 0x00, 0x00, 0x00, 0x00
 };
 
-static const uint8_t zero_ethaddr[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
-
 u_int curtime;
 
 static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances =
@@ -139,7 +137,7 @@ int get_dns_addr(struct in_addr *pdns_addr)
         return -1;
 
 #ifdef DEBUG
-    lprint("IP address of your DNS(s): ");
+    fprintf(stderr, "IP address of your DNS(s): ");
 #endif
     while (fgets(buff, 512, f) != NULL) {
         if (sscanf(buff, "nameserver%*[ \t]%256s", buff2) == 1) {
@@ -153,17 +151,17 @@ int get_dns_addr(struct in_addr *pdns_addr)
             }
 #ifdef DEBUG
             else
-                lprint(", ");
+                fprintf(stderr, ", ");
 #endif
             if (++found > 3) {
 #ifdef DEBUG
-                lprint("(more)");
+                fprintf(stderr, "(more)");
 #endif
                 break;
             }
 #ifdef DEBUG
             else
-                lprint("%s", inet_ntoa(tmp_addr));
+                fprintf(stderr, "%s", inet_ntoa(tmp_addr));
 #endif
         }
     }
@@ -262,14 +260,33 @@ void slirp_cleanup(Slirp *slirp)
 #define CONN_CANFSEND(so) (((so)->so_state & (SS_FCANTSENDMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED)
 #define CONN_CANFRCV(so) (((so)->so_state & (SS_FCANTRCVMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED)
 
-void slirp_update_timeout(uint32_t *timeout)
+static void slirp_update_timeout(uint32_t *timeout)
 {
-    if (!QTAILQ_EMPTY(&slirp_instances)) {
-        *timeout = MIN(TIMEOUT_DEFAULT, *timeout);
+    Slirp *slirp;
+    uint32_t t;
+
+    if (*timeout <= TIMEOUT_FAST) {
+        return;
+    }
+
+    t = MIN(1000, *timeout);
+
+    /* If we have tcp timeout with slirp, then we will fill @timeout with
+     * more precise value.
+     */
+    QTAILQ_FOREACH(slirp, &slirp_instances, entry) {
+        if (slirp->time_fasttimo) {
+            *timeout = TIMEOUT_FAST;
+            return;
+        }
+        if (slirp->do_slowtimo) {
+            t = MIN(TIMEOUT_SLOW, t);
+        }
     }
+    *timeout = t;
 }
 
-void slirp_pollfds_fill(GArray *pollfds)
+void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout)
 {
     Slirp *slirp;
     struct socket *so, *so_next;
@@ -439,6 +456,7 @@ void slirp_pollfds_fill(GArray *pollfds)
             }
         }
     }
+    slirp_update_timeout(timeout);
 }
 
 void slirp_pollfds_poll(GArray *pollfds, int select_error)
@@ -758,6 +776,11 @@ int if_encap(Slirp *slirp, struct mbuf *ifm)
         return 1;
     }
 
+    if (iph->ip_dst.s_addr == 0) {
+        /* 0.0.0.0 can not be a destination address, something went wrong,
+         * avoid making it worse */
+        return 1;
+    }
     if (!arp_table_search(slirp, iph->ip_dst.s_addr, ethaddr)) {
         uint8_t arp_req[ETH_HLEN + sizeof(struct arphdr)];
         struct ethhdr *reh = (struct ethhdr *)arp_req;