Merge glibc-ports into ports/ directory.

[platform/upstream/glibc.git] / hurd / hurdsig.c

diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index e12d19d..e1e0919 100644 (file)
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2005
+/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,2001,2002,2005,2008
        Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -13,9 +13,8 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -743,6 +742,11 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
       break;
 
     case ignore:
+      if (detail->exc)
+       /* Blocking or ignoring a machine exception is fatal.
+          Otherwise we could just spin on the faulting instruction.  */
+       goto fatal;
+
       /* Nobody cares about this signal.  If there was a call to resume
         above in SIGCONT processing and we've left a thread suspended,
         now's the time to set it going. */
@@ -759,6 +763,8 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
         Nothing to do but die; BSD gets SIGILL in this case.  */
       detail->code = signo;    /* XXX ? */
       signo = SIGILL;
+
+    fatal:
       act = core;
       /* FALLTHROUGH */
 
@@ -1127,6 +1133,7 @@ signal_allowed (int signo, mach_port_t refport)
              }
            _hurd_port_free (&_hurd_dtable[d]->port, &ulink, port);
          }
+       __mutex_unlock (&_hurd_dtable_lock);
        /* If we found a lucky winner, we've set D to -1 in the loop.  */
        if (lucky)
          goto win;