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authorRoland McGrath <roland@gnu.org>2002-03-24 02:51:38 +0000
committerRoland McGrath <roland@gnu.org>2002-03-24 02:51:38 +0000
commit213c5f063a984e6309fa6f2258a0610de1656a9d (patch)
tree1403889ec5cc54938403ed7ad217919bb3de3786 /sutils
parentea557a340a869ce2abda5fbd652f1419d278c12e (diff)
2002-03-23 Roland McGrath <roland@frob.com>
* MAKEDEV.sh (mkdev: shm): Give the file mode 644 and pass options to tmpfs: -m 1777 512M.
Diffstat (limited to 'sutils')
-rw-r--r--sutils/MAKEDEV.sh8
1 files changed, 7 insertions, 1 deletions
diff --git a/sutils/MAKEDEV.sh b/sutils/MAKEDEV.sh
index ac7162fc..f22d4861 100644
--- a/sutils/MAKEDEV.sh
+++ b/sutils/MAKEDEV.sh
@@ -170,8 +170,14 @@ function mkdev {
;;
# /dev/shm is used by the POSIX.1 shm_open call in libc.
+ # We don't want the underlying node to be written by randoms,
+ # but the filesystem presented should be writable by anyone
+ # and have the sticky bit set so others' files can't be removed.
+ # tmpfs requires an arbitrary size limitation here.
+ # To be like Linux, tmpfs could have an option to compute
+ # that max based on (half of) the physical RAM in the machine.
shm)
- st $I root 1777 /hurd/tmpfs
+ st $I root 644 /hurd/tmpfs -m 1777 512M
;;
# Linux compatibility