From: edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 7 Jan 2009 10:22:28 +0000 (+0000)
Subject: gdbstub: fix gdbserver_fork
X-Git-Tag: stefano.display-merge-end~246
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=9f6164d6f635e4eead4a8b90ed40650108c9f303;p=qemu-xen-4.5-testing.git

gdbstub: fix gdbserver_fork

As reported by Martin Mohring fork doesn't work with NPTL.
A fix is attached that makes the also attached test run
(tested with ARM CodeSourcery 2008q3 on an x86_64
Fedora Core with kernel 2.6.23).

Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6195 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/gdbstub.c b/gdbstub.c
index 6c6a7aa63..b8198ee29 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2225,7 +2225,7 @@ int gdbserver_start(int port)
 void gdbserver_fork(CPUState *env)
 {
     GDBState *s = gdbserver_state;
-    if (s->fd < 0)
+    if (gdbserver_fd < 0 || s->fd < 0)
       return;
     close(s->fd);
     s->fd = -1;