/* * Copyright (c) 2014 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _SYS_PGO_H_ #define _SYS_PGO_H_ #include <sys/_types.h> #include <sys/_types/_ssize_t.h> #include <stdint.h> #include <uuid/uuid.h> #define PGO_HIB (1) #define PGO_WAIT_FOR_UNLOAD (2) #define PGO_METADATA (4) #define PGO_RESET_ALL (8) #define PGO_ALL_FLAGS (PGO_HIB | PGO_WAIT_FOR_UNLOAD | PGO_METADATA | PGO_RESET_ALL) /** * This is a serialization format for metadata related to a profile data buffer. * * If metadata is present, this footer will appear at the end of the file, so * the last four bytes of the file will be the ASCII string "meta". * * The metadata is stored in a environment-string style buffer. The buffer * consists of key-value pairs, which are delimited by null bytes. Each * key-value pair is a string of the form "FOO=bar". Everything before the * first equal sign is the key, everything after is the value. * * All members are in network byte order. */ struct pgo_metadata_footer { /** * number of pairs. * * This should be htonl(n), where n is the number of key-value pairs in the * metadata buffer */ uint32_t number_of_pairs; /** * pointer to the metadata buffer * * This should be htonl(offset), where offset is the backwards offset from * the end of the file to the metadata buffer. */ uint32_t offset_to_pairs; /** * magic number * * This should be htonl(0x6d657461); */ uint32_t magic; }; #ifndef KERNEL ssize_t grab_pgo_data( uuid_t *uuid, int flags, unsigned char *buffer, ssize_t size); #endif #endif