On Sun, Dec 18, 2005 at 01:03:37PM -0500, Joe Smith wrote: > 1. POSIX (or at least SuS v3) does not gaurentee the existence of /dev/shm, > or that if it does exist, that it can be be read as a block device, or that > if it can, it has a file system on it. > 2. Neither does FHS. > 3. The Linux 2.6 device list states that as of now, if /dev/shm exists it > should have a tmpfs filesystem. But makes no guarentees that it exists, or > that it will remain a filesystem
Also Linux allows to not build support for a full-blown tmpfs that supports all posix filesystem operations, but also a cut-down version that's just enough for posix shm. You can't use read or write on files in /dev/shm in that case. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
