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      1 /* Copyright (C) 2009 The Android Open Source Project
      2 **
      3 ** This software is licensed under the terms of the GNU General Public
      4 ** License version 2, as published by the Free Software Foundation, and
      5 ** may be copied, distributed, and modified under those terms.
      6 **
      7 ** This program is distributed in the hope that it will be useful,
      8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 ** GNU General Public License for more details.
     11 */
     12 
     13 #ifndef _ANDROID_BOOT_PROPERTIES_H
     14 #define _ANDROID_BOOT_PROPERTIES_H
     15 
     16 /* Manage the set of boot system properties.
     17  * See the documentation for the 'boot-properties' service
     18  * in docs/ANDROID-QEMUD-SERVICES.TXT
     19  */
     20 
     21 /* these values give the maximum length of system property
     22  * names and values. They must match the corresponding definitions
     23  * in the Android source tree (in system/core/include/cutils/properties.h)
     24  */
     25 #define  PROPERTY_MAX_NAME    32
     26 #define  PROPERTY_MAX_VALUE   92
     27 
     28 /* record a new boot system property, this must be performed before the
     29  * VM is started. Returns 0 on success, or < 0 on error.
     30  * Possible errors are:
     31  * -1 property name too long
     32  * -2 property value too long
     33  * -3 invalid characters in property name
     34  */
     35 int  boot_property_add( const char*  name, const char*  value );
     36 
     37 /* same as boot_property_add, but allows to use non-zero terminated strings.
     38  */
     39 int  boot_property_add2( const char*  name, int  namelen,
     40                          const char*  value, int  valuelen );
     41 
     42 /* init the boot property QEMUD service. This must be performed before
     43  * the VM is started. This is also performed automatically if you call
     44  * boot_property_add().
     45  */
     46 void  boot_property_init_service( void );
     47 
     48 /* parse the parameter of -prop options passed on the command line
     49  */
     50 void  boot_property_parse_option( const char*  param );
     51 
     52 #endif /* _ANDROID_BOOT_PROPERTIES_H */
     53