From: Tom Hughes <tom@compton.nu>
Date: Tue, 22 Jun 2004 08:43:29 +0000 (+0000)
Subject: Prevent applications from blocking SIGVGINT in the proxy threads.
X-Git-Tag: svn/VALGRIND_2_1_2~76
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a63d16c7655a6d102fc2333c73b54da18c0eaa1;p=thirdparty%2Fvalgrind.git

Prevent applications from blocking SIGVGINT in the proxy threads.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2431
---

diff --git a/coregrind/vg_proxylwp.c b/coregrind/vg_proxylwp.c
index 4775b40a3d..b66b8e577c 100644
--- a/coregrind/vg_proxylwp.c
+++ b/coregrind/vg_proxylwp.c
@@ -681,14 +681,16 @@ static Int proxylwp(void *v)
 	       want while running the handler. */
 	    vg_assert(px->state == PXS_SigACK);
 	    appsigmask = req.sigmask;
-	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGKILL);  /* but allow SIGVGKILL to interrupt */
+	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGKILL);  /* but allow SIGVGKILL */
+	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGINT);   /*       and SIGVGINT to interrupt */
 	    px->state = PXS_WaitReq;
 	    reply.req = PX_BAD;	/* don't reply */
 	    break;
 	    
 	 case PX_SetSigmask:
 	    appsigmask = req.sigmask;
-	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGKILL);   /* but allow SIGVGKILL to interrupt */
+	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGKILL);  /* but allow SIGVGKILL */
+	    VG_(ksigdelset)(&appsigmask, VKI_SIGVGINT);   /*       and SIGVGINT to interrupt */
 
 	    vg_assert(px->state == PXS_WaitReq || 
 		      px->state == PXS_SigACK);