| | 7 | Processes on OS-X do not derive all of their authority by virtue of their userid/groupid alone. There are several low-level Mach ports and Mach namespaces which are used for, among other things, DNS lookup and disk image handling (the hdiutil program, used to create .dmg files for installers). A buildbot process which is not started through launchd may not work properly. Worse yet, some of these authorities will be available to a process started in an ssh session, but will go away once you log out of that ssh session. [http://developer.apple.com/technotes/tn2005/tn2083.html Technical Note TN2083] has more background. The {{{/usr/libexec/StartupItemContext}}} utility may be necessary even for jobs started under launchd. |
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