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Server process now waits for its forked child when daemonizing, allowing
us to yield meaningful exit status. Lock is now taken by the child, since
it has a way to tell the parent about the exit status. (We send SIGUSR1 to
the server to cause the wait loop to stop when the client is ready to go.)
This allows us to switch to fcntl locking, which should in theory allow us
to run with the pseudo directory NFS-mounted. Woot!
Also mark a couple of overly spammy messages as PDBGF_VERBOSE to reduce the
volume of uninteresting dup spam when looking at client behaviors.
Client now uses execve to spawn server to work around a very strange behavior
of unsetenv.
Signed-off-by: Peter Seebach <peter.seebach@windriver.com>
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Peter Seebach