Messages in this thread | | | Date | Wed, 5 Dec 2001 11:32:52 -0800 | Subject | Re: Removing an executable while it runs | From | Mike Fedyk <> |
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On Wed, Dec 05, 2001 at 05:15:52PM +0000, Petr Vandrovec wrote: > On 5 Dec 01 at 11:00, Cyrille Beraud wrote: > > > I would like to remove an executable from the file-system while it is > > running and > > get all the blocks back immediately, not after the end of the program. > > Is this possible ? > > No. Binary runs from these blocks. Maybe you can force it to run from > swap by modifying these pages through ptrace interface, but it is > not supported. Just kill the app if you need these blocks. > > > From what I understand, the inode is not released until the program > > ends. Do all the file-systems behave the same way ? > > No. Some will refuse to unlink running app (or another opened file). > Some will unlink it immediately, and app then dies when it needs > page-in something. Some works as POSIX mandates. >
POSIX behaviour would be in ext[23], reiserfs, xfs, (and probably ffs, ntfs). Can someone verify which FSes have what behaviour?
I'd guess that vfat (fat16/28--err, 32), nfs, and hfs would delete immediately.
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