Mark Thomas wrote:
I notice from the NSLog's outputs that this code doesn't seem to be
waiting for that launched tool to finish, as I have also put some
NSLogs within the tool itself, as I do not see NSLog's timestamps
match up, as I would expect to see the timestamp of the above 'tool
has finished' to be the last in console log, however I see
timestamps after the 'wait' has returned.
Am I missing something here ?
wait() only works if there's a direct child process. Other
relationships (e.g. grandparentage) don't count.
I recommend that your privileged tool log its getppid() value and you
manually compare to the getpid() value of the initiating process.
You should also log getpgid() of the privileged process.
Or use the 'ps' command to examine the process and process-group
relationships.
You should also read the man page for wait(2) and note the variants
waitpid, wait3, wait4.
-- GG
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