evansmp@uhura.aston.ac.uk (Mark Evans) writes:
quoted text
>How do I do file locking under linux?
>What I specifically want to do is to be able to have N processes attempting
>to write (or append) to a file and having only one at a time able to do so.

Read up on fcntl(fd, F_GETLK/F_SETLK/F_SETLKW, ...).

(Or email me and I'll go into the gory details).
-- 
Doug Evans               | And Life, that sets all things in rhyme,
dje@sspiff.cygnus.com    | May make you poet, too, in time -
                         | But there were days, O tender elf,
                         | When you were Poetry itself!         C. Morley