On 7/27/07, Roy Souther <[EMAIL PROTECTED]> wrote: > > I have no man pages for flock. >
As far as I could tell its a RedHat specific utiltiy. It would be about 2 hr to program. To program this: 1) use the first argument as a lock file 2) you can use open with the o_CREAT 3) if this fails the file is already there - use open with O_RDONLY 4) use flock() with LOCK_EX to get an exclusive lock - if this call fails then exit with error code 5) use one of the exec functions (without reading the man pages I can't remember which one) to execute the remaining command line args in a new process The return value of the new process will become the return value for this program. Call it flock.
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