301161a7a4
This makes the URIs shorter and dynamic: whatever the default branch the repo uses will be used.
100 lines
2.7 KiB
Groff
100 lines
2.7 KiB
Groff
.\" Copyright (c) 2007-2015 The OpenRC Authors.
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.\" See the Authors file at the top-level directory of this distribution and
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.\" https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS
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.\"
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.\" This file is part of OpenRC. It is subject to the license terms in
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.\" the LICENSE file found in the top-level directory of this
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.\" distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE
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.\" This file may not be copied, modified, propagated, or distributed
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.\" except according to the terms contained in the LICENSE file.
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.\"
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.Dd Mar 16, 2008
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.Dt RC_DEPTREE 3 SMM
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.Os OpenRC
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.Sh NAME
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.Nm rc_deptree_update , rc_deptree_update_needed , rc_deptree_load ,
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.Nm rc_deptree_depend , rc_deptree_depends , rc_deptree_order ,
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.Nm rc_deptree_free
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.Nd RC dependency tree functions
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.Sh LIBRARY
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Run Command library (librc, -lrc)
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.Sh SYNOPSIS
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.In rc.h
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.Ft bool Fn rc_deptree_update void
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.Ft bool Fn rc_deptree_update_needed void
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.Ft RC_DEPTREE Fn rc_deptree_load void
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.Ft "RC_STRINGLIST *" Fo rc_deptree_depend
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.Fa "const RC_DEPTREE *deptree"
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.Fa "const char *type"
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.Fa "const char *service"
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.Fc
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.Ft bool Fo rc_deptree_depends
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.Fa "const RC_DEPTREE *deptree"
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.Fa "const char *const *types"
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.Fa "const char *const *services"
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.Fa "const char *runlevel"
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.Fa "int options"
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.Fc
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.Ft "RC_STRINGLIST *" Fo rc_deptree_order
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.Fa "const RC_DEPTREE *deptree"
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.Fa "const char *runlevel"
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.Fa "int options"
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.Fc
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.Ft void Fn rc_deptree_free "RC_DEPTREE *deptree"
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.Sh DESCRIPTION
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These functions provide a means of querying the dependencies of OpenRC
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services.
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.Pp
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.Fn rc_deptree_update
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updates the service dependency tree, normally
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.Pa /lib/rc/init.d/deptree .
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.Fn rc_deptree_update_needed
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checks to see if the dependency tree needs updated based on the mtime of it
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compared to
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.Pa /etc/init.d ,
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.Pa /etc/conf.d ,
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.Pa /usr/local/etc/init.d ,
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.Pa /usr/local/etc/conf.d ,
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.Pa /etc/rc.conf
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and any files specified by a service.
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.Pp
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.Fn rc_deptree_load
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loads the deptree and returns a pointer to it which needs to be freed by
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.Fn rc_deptree_free
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when done.
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.Pp
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.Fn rc_deptree_depend ,
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.Fn rc_deptree_depends
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and
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.Fn rc_deptree_order
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return a list of services from the
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.Fa deptree
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based on the
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.Fa type
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or
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.Fa types
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of dependency.
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.Fa options
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can be a bitmask of
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.Va RC_DEP_TRACE
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and
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.Va RC_DEP_STRICT .
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.Va RC_DEP_TRACE
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follows each services dependencies right down to the first service needed and
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.Va RC_DEP_STRICT
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only lists services actually needed or in the
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.Va runlevel .
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.Sh IMPLEMENTATION NOTES
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Each function that returns
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.Fr "RC_STRINGLIST *"
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should be freed by calling
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.Fn rc_stringlist_free
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when done.
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.Sh SEE ALSO
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.Xr malloc 3 ,
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.Xr free 3 ,
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.Xr rc_stringlist_free 3 ,
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.Xr openrc-run 8
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.Sh AUTHORS
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.An Roy Marples <roy@marples.name>
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