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authorgdt <gdt>2004-07-13 15:47:25 +0200
committergdt <gdt>2004-07-13 15:47:25 +0200
commitb77971317724a97b72a8566b3a54d36ef7c76a07 (patch)
tree25e17e5ec53eb9625e2f872e3053913e10177973 /lib/sigevent.c
parentCreating irdp socket requires more privileges. (diff)
downloadfrr-b77971317724a97b72a8566b3a54d36ef7c76a07.tar.xz
frr-b77971317724a97b72a8566b3a54d36ef7c76a07.zip
2004-07-13 Greg Troxel <gdt@poblano.ir.bbn.com>
* sigevent.c: Don't block SIGTRAP and SIGKILL. Blocking SIGTRAP confuses gdb, at least on NetBSD 2.0_BETA, where the block succeeds.
Diffstat (limited to 'lib/sigevent.c')
-rw-r--r--lib/sigevent.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/sigevent.c b/lib/sigevent.c
index fa5edf4a7..6a2fd80c0 100644
--- a/lib/sigevent.c
+++ b/lib/sigevent.c
@@ -61,8 +61,15 @@ quagga_signal_timer (struct thread *t)
sigm = THREAD_ARG (t);
- /* block all signals */
+ /*
+ * Block most signals, but be careful not to defer SIGTRAP because
+ * doing so breaks gdb, at least on NetBSD 2.0. Avoid asking to
+ * block SIGKILL, just because we shouldn't be able to do so.
+ */
sigfillset (&newmask);
+ sigdelset (&newmask, SIGTRAP);
+ sigdelset (&newmask, SIGKILL);
+
if ( (sigprocmask (SIG_BLOCK, &newmask, &oldmask)) < 0)
{
zlog_err ("quagga_signal_timer: couldnt block signals!");