/* * Copyright (C) 2017 The Android Open Source Project * 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. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE 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. */ #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_ //#include #include <_system_properties.h> #include #include #include "private/bionic_defs.h" static SystemProperties system_properties; static_assert(__is_trivially_constructible(SystemProperties), "System Properties must be trivially constructable"); // This is public because it was exposed in the NDK. As of 2017-01, ~60 apps reference this symbol. // It is set to nullptr and never modified. __BIONIC_WEAK_VARIABLE_FOR_NATIVE_BRIDGE prop_area* __system_property_area__ = nullptr; __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_properties_init() { return system_properties.Init(PROP_FILENAME) ? 0 : -1; } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_set_filename(const char*) { return -1; } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_area_init() { bool fsetxattr_failed = false; return system_properties.AreaInit(PROP_FILENAME, &fsetxattr_failed) && !fsetxattr_failed ? 0 : -1; } __BIONIC_WEAK_FOR_NATIVE_BRIDGE uint32_t __system_property_area_serial() { return system_properties.AreaSerial(); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE const prop_info* __system_property_find(const char* name) { return system_properties.Find(name); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_read(const prop_info* pi, char* name, char* value) { return system_properties.Read(pi, name, value); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE void __system_property_read_callback(const prop_info* pi, void (*callback)(void* cookie, const char* name, const char* value, uint32_t serial), void* cookie) { return system_properties.ReadCallback(pi, callback, cookie); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_get(const char* name, char* value) { return system_properties.Get(name, value); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_update(prop_info* pi, const char* value, unsigned int len) { return system_properties.Update(pi, value, len); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_add(const char* name, unsigned int namelen, const char* value, unsigned int valuelen) { return system_properties.Add(name, namelen, value, valuelen); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_delete(const char *name, bool trim_node) { return system_properties.Delete(name, trim_node); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE uint32_t __system_property_serial(const prop_info* pi) { return system_properties.Serial(pi); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE uint32_t __system_property_wait_any(uint32_t old_serial) { return system_properties.WaitAny(old_serial); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE bool __system_property_wait(const prop_info* pi, uint32_t old_serial, uint32_t* new_serial_ptr, const timespec* relative_timeout) { return system_properties.Wait(pi, old_serial, new_serial_ptr, relative_timeout); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE const prop_info* __system_property_find_nth(unsigned n) { return system_properties.FindNth(n); } __BIONIC_WEAK_FOR_NATIVE_BRIDGE int __system_property_foreach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) { return system_properties.Foreach(propfn, cookie); }