Exclude /tmp/*.shm files from /tmp cleaning in daily(8); removing them

interferes with programs using shm_open(3) which uses them as backing
files.

Problem pointed out by jeremy@ in relation to PostgreSQL.
Suggestion/ok tb@.

diff --git a/etc/daily b/etc/daily
index d33d893..96d6ac4 100644 (file)
--- a/etc/daily
+++ b/etc/daily
@@ -1,5 +1,5 @@
 #
-#      $OpenBSD: daily,v 1.95 2020/10/20 22:42:29 danj Exp $
+#      $OpenBSD: daily,v 1.96 2022/10/19 21:23:31 sthen Exp $
 #      From: @(#)daily 8.2 (Berkeley) 1/25/94
 #
 # For local additions, create the file /etc/daily.local.
@@ -49,8 +49,8 @@ if [ -d /tmp -a ! -L /tmp ]; then
        cd /tmp && {
        find -x . \
            \( -path './ssh-*' -o -path ./.X11-unix -o -path ./.ICE-unix \
-               -o -path './tmux-*' \) \
-           -prune -o -type f -atime +7 -delete 2>/dev/null
+               -o -path './tmux-*' \) -prune -o \
+           -type f -and ! -path './*.shm' -atime +7 -delete 2>/dev/null
        find -x . -type d -mtime +1 ! -path ./vi.recover ! -path ./.X11-unix \
            ! -path ./.ICE-unix ! -name . \
            -delete >/dev/null 2>&1; }