From: Bart Van Assche <bvanassche@acm.org>
Date: Sat, 13 Aug 2011 12:27:11 +0000 (+0000)
Subject: vgdb: Unlink pipes and mapped file before (re)creating these.
X-Git-Tag: svn/VALGRIND_3_7_0~265
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e952915190b453ea5364bf0d371ca0f824f5e041;p=thirdparty%2Fvalgrind.git

vgdb: Unlink pipes and mapped file before (re)creating these.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11972
---

diff --git a/coregrind/m_gdbserver/remote-utils.c b/coregrind/m_gdbserver/remote-utils.c
index 1e822634b8..022049c318 100644
--- a/coregrind/m_gdbserver/remote-utils.c
+++ b/coregrind/m_gdbserver/remote-utils.c
@@ -278,6 +278,15 @@ void remote_open (char *name)
 
    if (!mknod_done) {
       mknod_done++;
+
+      /*
+       * Unlink just in case a previous process with the same PID had been
+       * killed and hence Valgrind hasn't had the chance yet to remove these.
+       */
+      VG_(unlink)(from_gdb);
+      VG_(unlink)(to_gdb);
+      VG_(unlink)(shared_mem);
+
       safe_mknod(from_gdb);
       safe_mknod(to_gdb);