Another part of the fix for bug 6651 - smbd SIGSEGV when breaking oplocks.

SA_INFO_QUEUE_COUNT *MUST* be a power of 2, in order for the ring buffer
wrap to work correctly at the 32 bit boundary. Thanks to Petr
Vandrovec <petr@vandrovec.name> for this.

diff --git a/lib/tevent/tevent_signal.c b/lib/tevent/tevent_signal.c
index b329f8c1e72ca73045f2f5abb5315c7373572fb6..ef9c0cf28877999b27d19323ae70018336a455c1 100644 (file)
--- a/lib/tevent/tevent_signal.c
+++ b/lib/tevent/tevent_signal.c
@@ -32,8 +32,12 @@
 
 #define NUM_SIGNALS 64
 
-/* maximum number of SA_SIGINFO signals to hold in the queue */
-#define SA_INFO_QUEUE_COUNT 100
+/* maximum number of SA_SIGINFO signals to hold in the queue.
+  NB. This *MUST* be a power of 2, in order for the ring buffer
+  wrap to work correctly. Thanks to Petr Vandrovec <petr@vandrovec.name>
+  for this. */
+
+#define SA_INFO_QUEUE_COUNT 64
 
 struct sigcounter {
        uint32_t count;