SUNRPC: Ensure that SIGKILL will always terminate a synchronous RPC call.
...and make sure that the "intr" flag also enables SIGHUP and SIGTERM to
interrupt RPC calls too (as per the Solaris implementation).
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f025b7e..b23c0d3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -386,11 +386,11 @@
* Export the signal mask handling for synchronous code that
* sleeps on RPC calls
*/
-#define RPC_INTR_SIGNALS (sigmask(SIGINT) | sigmask(SIGQUIT) | sigmask(SIGKILL))
+#define RPC_INTR_SIGNALS (sigmask(SIGHUP) | sigmask(SIGINT) | sigmask(SIGQUIT) | sigmask(SIGTERM))
static void rpc_save_sigmask(sigset_t *oldset, int intr)
{
- unsigned long sigallow = 0;
+ unsigned long sigallow = sigmask(SIGKILL);
sigset_t sigmask;
/* Block all signals except those listed in sigallow */