[clug] Semaphores and shared memory
jepri at webone.com.au
Wed Dec 10 02:51:12 GMT 2003
Martin Pool wrote:
>On 9 Dec 2003, Jepri <jepri at webone.com.au> wrote:
>>I've got some chunky data files that I would like to access at the same
>>time from different programs. I know that I can mmap the files into
>Just lock the file. man lockf.
Would that work when I'm reading and writing to the file at the same
time (through mmaped memory)? And what's the performance hit like?
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