suppress gcc 8 aliasing warnings

function                                             old     new   delta
sigprocmask_SIG_SETMASK                                -      16     +16
wait_for_child_or_signal                             221     213      -8
dowait                                               432     424      -8

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 9ce1d1a76..456aca4f0 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4217,7 +4217,7 @@ wait_block_or_sig(int *status)
                 /* Children exist, but none are ready. Sleep until interesting signal */
 #if 1
                 sigfillset(&mask);
-                sigprocmask(SIG_SETMASK, &mask, &mask);
+                sigprocmask_SIG_SETMASK(&mask); /* mask is updated */
                 while (!got_sigchld && !pending_sig)
                         sigsuspend(&mask);
                 sigprocmask(SIG_SETMASK, &mask, NULL);
diff --git a/shell/hush.c b/shell/hush.c
index 90191408d..5953ceb9f 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -11442,7 +11442,7 @@ static int wait_for_child_or_signal(struct pipe *waitfor_pipe, pid_t waitfor_pid
                  * and get stuck in sigsuspend...
                  */
                 sigfillset(&oldset); /* block all signals, remember old set */
-                sigprocmask(SIG_SETMASK, &oldset, &oldset);
+                sigprocmask_SIG_SETMASK(&oldset);
 
                 if (!sigisemptyset(&G.pending_set)) {
                         /* Crap! we raced with some signal! */