From: Philippe Waroquiers <philippe.waroquiers@skynet.be>
Date: Tue, 4 Nov 2014 20:28:36 +0000 (+0000)
Subject: Unmask all signals in vgdb, as the process that launches vgdb
X-Git-Tag: svn/VALGRIND_3_11_0~857
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=559955c15d90ed0c56bc7eabb52b3a3dd41ce063;p=thirdparty%2Fvalgrind.git

Unmask all signals in vgdb, as the process that launches vgdb
might have masked some.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14691
---

diff --git a/coregrind/vgdb.c b/coregrind/vgdb.c
index 8aa70f6440..82639cc9b7 100644
--- a/coregrind/vgdb.c
+++ b/coregrind/vgdb.c
@@ -751,6 +751,11 @@ void install_handlers(void)
       to cleanup.  */
    if (sigaction (SIGALRM, &action, &oldaction) != 0)
       XERROR (errno, "vgdb error sigaction SIGALRM\n");
+
+   /* unmask all signals, in case the process that launched vgdb
+      masked some. */
+   if (sigprocmask (SIG_SETMASK, &action.sa_mask, NULL) != 0)
+      XERROR (errno, "vgdb error sigprocmask");
 }
 
 /* close the FIFOs provided connections, terminate the invoker thread.  */