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OpenDarwin 7.2.1 - man page for startupitemcontext (opendarwin section 8)

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StartupItemContext(8)		   BSD System Manager's Manual		    StartupItemContext(8)

NAME
     StartupItemContext -- Execute a program in StartupItem context

SYNOPSIS
     StartupItemContext [program [arguments]]

DESCRIPTION
     The StartupItemContext utility launches the specified program in StartupItem bootstrap con-
     text.  Each Darwin and Mac OS X login creates a unique bootstrap subset context to contain
     login specific Mach port registrations with the bootstrap server.	All such registrations
     performed within the context of that subset are only visible to other processes within that
     context or subsequent subsets of it.  Therefore, a Mach port based service/daemon launched
     within a login context will not be visible to other such contexts.

     To override this, a root user can use the StartupItemContext utility to launch the program
     within the same bootstrap context as all other StartupItems. All subsequent Mach port boot-
     strap registrations perfomed by the program will be visible system-wide.

NOTES
     All bootstrap port lookups will also be resticted to the StartupItem context. The services
     provided on a per-login basis (clipboard, etc...) will not be available to the program.

SEE ALSO
     SystemStarter(8)

     mach_init(8)

     "Bootstrap Contexts Unleashed"
     http://developer.apple.com/techpubs/macosx/Darwin/General/KernelProgramming/con-
     texts/index.html

HISTORY
     The StartupItemContext

Darwin					   July 7, 2002 				   Darwin
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