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Prevent applications from blocking SIGVGINT in the proxy threads.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2431
This commit is contained in:
Tom Hughes 2004-06-22 08:43:29 +00:00
parent 2b499cb838
commit 2a63d16c76
1 changed files with 4 additions and 2 deletions
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6
coregrind/vg_proxylwp.c
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@ -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);