From: Alexandra Petlanova Hajkova <ahajkova@redhat.com>
Date: Wed, 7 Sep 2022 09:46:55 +0000 (-0400)
Subject: vgdb: allow address reuse to avoid "address already in use" errors
X-Git-Tag: VALGRIND_3_21_0~276
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea919973941e5dddc3a9611946b7cc6ca9d87a4f;p=thirdparty%2Fvalgrind.git

vgdb: allow address reuse to avoid "address already in use" errors

https://bugs.kde.org/show_bug.cgi?id=459476
---

diff --git a/NEWS b/NEWS
index fe94546fbd..a421b980c5 100644
--- a/NEWS
+++ b/NEWS
@@ -22,6 +22,7 @@ are not entered into bugzilla tend to get forgotten about or ignored.
 
 170510  Don't warn about ioctl of size 0 without direction hint
 444110  priv/guest_ppc_toIR.c:36198:31: warning: duplicated 'if' condition.
+459476  vgdb: allow address reuse to avoid "address already in use" errorsuse" errors
 
 To see details of a given bug, visit
   https://bugs.kde.org/show_bug.cgi?id=XXXXXX
diff --git a/coregrind/vgdb.c b/coregrind/vgdb.c
index 3f438536b2..83f49c840d 100644
--- a/coregrind/vgdb.c
+++ b/coregrind/vgdb.c
@@ -498,6 +498,14 @@ void wait_for_gdb_connect(int in_port)
       XERROR(errno, "cannot create socket\n");
    }
 
+   /* allow address reuse to avoid "address already in use" errors */
+
+   int one = 1;
+   if (setsockopt(listen_gdb, SOL_SOCKET, SO_REUSEADDR,
+                  &one, sizeof(one)) < 0) {
+      XERROR(errno, "cannot enable address reuse\n");
+   }
+
     memset(&addr, 0, sizeof(addr));
 
     addr.sin_family = AF_INET;