分类： LINUX
2009-07-10 22:13:59
The /lib/rcscripts/sh/rc_services.sh file is included by the initscript during the stage and performs the following series of functions:
1. Flag ="yes" to avoid repetition 2. Obtain definitions and functions from the functions.sh include file 3. Run /sbin/depscan.sh, if running as root and this has not already been done 4. Define a series of internal variables 5. Define a series of functions
Defined Functions
The following functions are defined within rc-services.sh:
begin_service Mark a service as being started using an exclusive locking mechanism broken Echo a list of services that are not present that the named service requires check_dependency List all services dependent on a named service and provide a facility to check if one service is a dependency of another service dependon Returns two if the first service is dependent on the second end_service Remove the started service mark using an exclusive locking mechanism get_dep_info Configure internal variables to contain data for a named service get_service_index Find a service name in an array index get_options Read an option string from a configuration file, previously written using save_options iafter Return a list of services that have started before starting the named service ibefore Start the named service and echo a list of services that start after it ineed Echo a list of all services that the named service needs in_runlevel Returns true if the specified service is in the specified runlevel is_fake_service Returns true if the specified service is fake in the specified runlevel is_net_up Return true if the net service is considered up is_runlevel_start Returns true if runlevel has changed and system is busy starting services is_runlevel_stop Returns true if runlevel has changed and system is busy stopping services iuse Echo a list of all services that the named service uses mark_service_coldplugged Mark service as coldplugged mark_service_failed Mark service failed for current runlevel (only valid during a runlevel change) mark_service_inactive Mark service as inactive mark_service_started Mark service as started mark_service_starting Mark service as starting mark_service_stopped Mark service as stopped mark_service_stopping Mark service as stopping needsme Echo a list of services that need the named service net_service Returns true if the specified service is controls a network interface query_before Returns true if the specified second service should start before the first save_options Write an option string to a configuration file service_coldplugged Returns true if specified service is coldplugged service_failed Returns true if specified service has failed at this runlevel service_inactive Returns true if specified service is inactive service_message Print out a service message if parallel startup is being used service_scheduled Returns true if service is scheduled to be started by another service service_scheduled_by Echo a list of services which will try and start the specified service service_started Returns true if specified service is started service_started_daemon Returns zero if the service started the specified daemon service_starting Returns true if specified service is starting service_stopped Returns true if specified service is stopped service_stopping Returns true if specified service is stopping service_wasinactive Returns true if specified service was inactive start_service Start service, marking as starting and echo appropriate messages stop_service Stop service, marking as starting and echo appropriate messages test_service_state Returns zero if the service link exists and points to a file trace_dependencies Get and sort the dependencies of given services usesme Echo a list of services that use the named service valid_i Shared code module for valid_after and valid_iuse valid_iuse Echo use for the named service valid_iafter Echo valid services that should start before the specified service for the current or boot runlevel wait_service Wait for a service to start or an error to occur
