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init: Add vendor-specific initialization hooks.

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Allow optional vendor-specific initializations
within init.  This can be used for runtime
initialization setup that init rc scripts do
not support.

Change-Id: I7623a0d59b18f9ec8e3623958e2f7ccd72b877bf
This commit is contained in:
David Ng 2013-09-23 18:50:24 -07:00 • committed by Michael Bestas
parent fc7bc8c4bf
commit 4b03779ab2
No known key found for this signature in database
GPG key ID: CC95044519BE6669
5 changed files with 109 additions and 0 deletions
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9
init/Android.bp
View file

@ -90,6 +90,14 @@ init_host_sources = [
"host_import_parser.cpp",
]
cc_library_static {
name: "vendor_init",
recovery_available: true,
srcs: [
"vendor_init.cpp",
],
}
soong_config_module_type {
name: "libinit_cc_defaults",
module_type: "cc_defaults",
@ -218,6 +226,7 @@ cc_defaults {
defaults: [
"init_defaults",
"selinux_policy_version",
"vendor_init_defaults",
],
srcs: init_common_sources + init_device_sources,
export_include_dirs: ["."],

26
init/NOTICE
View file

@ -188,3 +188,29 @@
END OF TERMS AND CONDITIONS
Copyright (c) 2013, The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of The Linux Foundation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

4
init/property_service.cpp
View file

@ -77,6 +77,7 @@
#include "subcontext.h"
#include "system/core/init/property_service.pb.h"
#include "util.h"
#include "vendor_init.h"
static constexpr char APPCOMPAT_OVERRIDE_PROP_FOLDERNAME[] =
"/dev/__properties__/appcompat_override";
@ -1245,6 +1246,9 @@ void PropertyLoadBootDefaults() {
}
}
// Update with vendor-specific property runtime overrides
vendor_load_properties();
property_initialize_ro_product_props();
property_initialize_build_id();
property_derive_build_fingerprint();

37
init/vendor_init.cpp Normal file
View file

@ -0,0 +1,37 @@
/*
Copyright (c) 2013, The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of The Linux Foundation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "vendor_init.h"
/* init vendor override stubs */
__attribute__ ((weak))
void vendor_load_properties()
{
}

33
init/vendor_init.h Normal file
View file

@ -0,0 +1,33 @@
/*
Copyright (c) 2013, The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of The Linux Foundation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __INIT_VENDOR__H__
#define __INIT_VENDOR__H__
extern void vendor_load_properties(void);
#endif /* __INIT_VENDOR__H__ */