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 --- fs/lockd/svc.c | 4 ++-- net/sunrpc/clnt.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 12a857c..71a30b4 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -178,6 +178,8 @@ lockd(struct svc_rqst *rqstp) } + flush_signals(current); + /* * Check whether there's a new lockd process before * shutting down the hosts and clearing the slot. @@ -192,8 +194,6 @@ lockd(struct svc_rqst *rqstp) "lockd: new process, skipping host shutdown\n"); wake_up(&lockd_exit); - flush_signals(current); - /* Exit the RPC thread */ svc_exit_thread(rqstp); 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 @@ static const struct rpc_call_ops rpc_def * 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 */