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update to latest fetch-them-macos-headers 

commit 1efc3a7f584dd75a5783756e168af74cdf6bb727
master
Andrew Kelley 2020-11-30 20:20:00 -08:00
parent 92ec24f77c
commit 02e12ede46
2 changed files with 400 additions and 0 deletions
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314
lib/libc/include/x86_64-macos-gnu/malloc/malloc.h Normal file
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/*
* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
*
* @APPLE_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. 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_LICENSE_HEADER_END@
*/
#ifndef _MALLOC_MALLOC_H_
#define _MALLOC_MALLOC_H_
#include <stddef.h>
#include <mach/mach_types.h>
#include <sys/cdefs.h>
#include <Availability.h>
#if __has_feature(ptrauth_calls)
#include <ptrauth.h>
// Zone function pointer, type-diversified but not address-diversified (because
// the zone can be copied). Process-independent because the zone structure may
// be in the shared library cache.
#define MALLOC_ZONE_FN_PTR(fn) __ptrauth(ptrauth_key_process_independent_code, \
FALSE, ptrauth_string_discriminator("malloc_zone_fn." #fn)) fn
// Introspection function pointer, address- and type-diversified.
// Process-independent because the malloc_introspection_t structure that contains
// these pointers may be in the shared library cache.
#define MALLOC_INTROSPECT_FN_PTR(fn) __ptrauth(ptrauth_key_process_independent_code, \
TRUE, ptrauth_string_discriminator("malloc_introspect_fn." #fn)) fn
// Pointer to the introspection pointer table, type-diversified but not
// address-diversified (because the zone can be copied).
// Process-independent because the table pointer may be in the shared library cache.
#define MALLOC_INTROSPECT_TBL_PTR(ptr) __ptrauth(ptrauth_key_process_independent_data,\
FALSE, ptrauth_string_discriminator("malloc_introspect_tbl")) ptr
#endif // __has_feature(ptrauth_calls)
#ifndef MALLOC_ZONE_FN_PTR
#define MALLOC_ZONE_FN_PTR(fn) fn
#define MALLOC_INTROSPECT_FN_PTR(fn) fn
#define MALLOC_INTROSPECT_TBL_PTR(ptr) ptr
#endif // MALLOC_ZONE_FN_PTR
__BEGIN_DECLS
/********* Type definitions ************/
typedef struct _malloc_zone_t {
/* Only zone implementors should depend on the layout of this structure;
Regular callers should use the access functions below */
void *reserved1; /* RESERVED FOR CFAllocator DO NOT USE */
void *reserved2; /* RESERVED FOR CFAllocator DO NOT USE */
size_t (* MALLOC_ZONE_FN_PTR(size))(struct _malloc_zone_t *zone, const void *ptr); /* returns the size of a block or 0 if not in this zone; must be fast, especially for negative answers */
void *(* MALLOC_ZONE_FN_PTR(malloc))(struct _malloc_zone_t *zone, size_t size);
void *(* MALLOC_ZONE_FN_PTR(calloc))(struct _malloc_zone_t *zone, size_t num_items, size_t size); /* same as malloc, but block returned is set to zero */
void *(* MALLOC_ZONE_FN_PTR(valloc))(struct _malloc_zone_t *zone, size_t size); /* same as malloc, but block returned is set to zero and is guaranteed to be page aligned */
void (* MALLOC_ZONE_FN_PTR(free))(struct _malloc_zone_t *zone, void *ptr);
void *(* MALLOC_ZONE_FN_PTR(realloc))(struct _malloc_zone_t *zone, void *ptr, size_t size);
void (* MALLOC_ZONE_FN_PTR(destroy))(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
const char *zone_name;
/* Optional batch callbacks; these may be NULL */
unsigned (* MALLOC_ZONE_FN_PTR(batch_malloc))(struct _malloc_zone_t *zone, size_t size, void **results, unsigned num_requested); /* given a size, returns pointers capable of holding that size; returns the number of pointers allocated (maybe 0 or less than num_requested) */
void (* MALLOC_ZONE_FN_PTR(batch_free))(struct _malloc_zone_t *zone, void **to_be_freed, unsigned num_to_be_freed); /* frees all the pointers in to_be_freed; note that to_be_freed may be overwritten during the process */
struct malloc_introspection_t * MALLOC_INTROSPECT_TBL_PTR(introspect);
unsigned version;
/* aligned memory allocation. The callback may be NULL. Present in version >= 5. */
void *(* MALLOC_ZONE_FN_PTR(memalign))(struct _malloc_zone_t *zone, size_t alignment, size_t size);
/* free a pointer known to be in zone and known to have the given size. The callback may be NULL. Present in version >= 6.*/
void (* MALLOC_ZONE_FN_PTR(free_definite_size))(struct _malloc_zone_t *zone, void *ptr, size_t size);
/* Empty out caches in the face of memory pressure. The callback may be NULL. Present in version >= 8. */
size_t (* MALLOC_ZONE_FN_PTR(pressure_relief))(struct _malloc_zone_t *zone, size_t goal);
/*
* Checks whether an address might belong to the zone. May be NULL. Present in version >= 10.
* False positives are allowed (e.g. the pointer was freed, or it's in zone space that has
* not yet been allocated. False negatives are not allowed.
*/
boolean_t (* MALLOC_ZONE_FN_PTR(claimed_address))(struct _malloc_zone_t *zone, void *ptr);
} malloc_zone_t;
/********* Creation and destruction ************/
extern malloc_zone_t *malloc_default_zone(void);
/* The initial zone */
extern malloc_zone_t *malloc_create_zone(vm_size_t start_size, unsigned flags);
/* Creates a new zone with default behavior and registers it */
extern void malloc_destroy_zone(malloc_zone_t *zone);
/* Destroys zone and everything it allocated */
/********* Block creation and manipulation ************/
extern void *malloc_zone_malloc(malloc_zone_t *zone, size_t size) __alloc_size(2);
/* Allocates a new pointer of size size; zone must be non-NULL */
extern void *malloc_zone_calloc(malloc_zone_t *zone, size_t num_items, size_t size) __alloc_size(2,3);
/* Allocates a new pointer of size num_items * size; block is cleared; zone must be non-NULL */
extern void *malloc_zone_valloc(malloc_zone_t *zone, size_t size) __alloc_size(2);
/* Allocates a new pointer of size size; zone must be non-NULL; Pointer is guaranteed to be page-aligned and block is cleared */
extern void malloc_zone_free(malloc_zone_t *zone, void *ptr);
/* Frees pointer in zone; zone must be non-NULL */
extern void *malloc_zone_realloc(malloc_zone_t *zone, void *ptr, size_t size) __alloc_size(3);
/* Enlarges block if necessary; zone must be non-NULL */
extern malloc_zone_t *malloc_zone_from_ptr(const void *ptr);
/* Returns the zone for a pointer, or NULL if not in any zone.
The ptr must have been returned from a malloc or realloc call. */
extern size_t malloc_size(const void *ptr);
/* Returns size of given ptr */
extern size_t malloc_good_size(size_t size);
/* Returns number of bytes greater than or equal to size that can be allocated without padding */
extern void *malloc_zone_memalign(malloc_zone_t *zone, size_t alignment, size_t size) __alloc_size(3) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
/*
* Allocates a new pointer of size size whose address is an exact multiple of alignment.
* alignment must be a power of two and at least as large as sizeof(void *).
* zone must be non-NULL.
*/
/********* Batch methods ************/
extern unsigned malloc_zone_batch_malloc(malloc_zone_t *zone, size_t size, void **results, unsigned num_requested);
/* Allocates num blocks of the same size; Returns the number truly allocated (may be 0) */
extern void malloc_zone_batch_free(malloc_zone_t *zone, void **to_be_freed, unsigned num);
/* frees all the pointers in to_be_freed; note that to_be_freed may be overwritten during the process; This function will always free even if the zone has no batch callback */
/********* Functions for libcache ************/
extern malloc_zone_t *malloc_default_purgeable_zone(void) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
/* Returns a pointer to the default purgeable_zone. */
extern void malloc_make_purgeable(void *ptr) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
/* Make an allocation from the purgeable zone purgeable if possible. */
extern int malloc_make_nonpurgeable(void *ptr) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
/* Makes an allocation from the purgeable zone nonpurgeable.
* Returns zero if the contents were not purged since the last
* call to malloc_make_purgeable, else returns non-zero. */
/********* Functions for zone implementors ************/
extern void malloc_zone_register(malloc_zone_t *zone);
/* Registers a custom malloc zone; Should typically be called after a
* malloc_zone_t has been filled in with custom methods by a client. See
* malloc_create_zone for creating additional malloc zones with the
* default allocation and free behavior. */
extern void malloc_zone_unregister(malloc_zone_t *zone);
/* De-registers a zone
Should typically be called before calling the zone destruction routine */
extern void malloc_set_zone_name(malloc_zone_t *zone, const char *name);
/* Sets the name of a zone */
extern const char *malloc_get_zone_name(malloc_zone_t *zone);
/* Returns the name of a zone */
size_t malloc_zone_pressure_relief(malloc_zone_t *zone, size_t goal) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
/* malloc_zone_pressure_relief() advises the malloc subsystem that the process is under memory pressure and
* that the subsystem should make its best effort towards releasing (i.e. munmap()-ing) "goal" bytes from "zone".
* If "goal" is passed as zero, the malloc subsystem will attempt to achieve maximal pressure relief in "zone".
* If "zone" is passed as NULL, all zones are examined for pressure relief opportunities.
* malloc_zone_pressure_relief() returns the number of bytes released.
*/
typedef struct {
vm_address_t address;
vm_size_t size;
} vm_range_t;
typedef struct malloc_statistics_t {
unsigned blocks_in_use;
size_t size_in_use;
size_t max_size_in_use; /* high water mark of touched memory */
size_t size_allocated; /* reserved in memory */
} malloc_statistics_t;
typedef kern_return_t memory_reader_t(task_t remote_task, vm_address_t remote_address, vm_size_t size, void **local_memory);
/* given a task, "reads" the memory at the given address and size
local_memory: set to a contiguous chunk of memory; validity of local_memory is assumed to be limited (until next call) */
#define MALLOC_PTR_IN_USE_RANGE_TYPE 1 /* for allocated pointers */
#define MALLOC_PTR_REGION_RANGE_TYPE 2 /* for region containing pointers */
#define MALLOC_ADMIN_REGION_RANGE_TYPE 4 /* for region used internally */
#define MALLOC_ZONE_SPECIFIC_FLAGS 0xff00 /* bits reserved for zone-specific purposes */
typedef void vm_range_recorder_t(task_t, void *, unsigned type, vm_range_t *, unsigned);
/* given a task and context, "records" the specified addresses */
/* Print function for the print_task() operation. */
typedef void print_task_printer_t(const char *fmt, ...);
typedef struct malloc_introspection_t {
kern_return_t (* MALLOC_INTROSPECT_FN_PTR(enumerator))(task_t task, void *, unsigned type_mask, vm_address_t zone_address, memory_reader_t reader, vm_range_recorder_t recorder); /* enumerates all the malloc pointers in use */
size_t (* MALLOC_INTROSPECT_FN_PTR(good_size))(malloc_zone_t *zone, size_t size);
boolean_t (* MALLOC_INTROSPECT_FN_PTR(check))(malloc_zone_t *zone); /* Consistency checker */
void (* MALLOC_INTROSPECT_FN_PTR(print))(malloc_zone_t *zone, boolean_t verbose); /* Prints zone */
void (* MALLOC_INTROSPECT_FN_PTR(log))(malloc_zone_t *zone, void *address); /* Enables logging of activity */
void (* MALLOC_INTROSPECT_FN_PTR(force_lock))(malloc_zone_t *zone); /* Forces locking zone */
void (* MALLOC_INTROSPECT_FN_PTR(force_unlock))(malloc_zone_t *zone); /* Forces unlocking zone */
void (* MALLOC_INTROSPECT_FN_PTR(statistics))(malloc_zone_t *zone, malloc_statistics_t *stats); /* Fills statistics */
boolean_t (* MALLOC_INTROSPECT_FN_PTR(zone_locked))(malloc_zone_t *zone); /* Are any zone locks held */
/* Discharge checking. Present in version >= 7. */
boolean_t (* MALLOC_INTROSPECT_FN_PTR(enable_discharge_checking))(malloc_zone_t *zone);
void (* MALLOC_INTROSPECT_FN_PTR(disable_discharge_checking))(malloc_zone_t *zone);
void (* MALLOC_INTROSPECT_FN_PTR(discharge))(malloc_zone_t *zone, void *memory);
#ifdef __BLOCKS__
void (* MALLOC_INTROSPECT_FN_PTR(enumerate_discharged_pointers))(malloc_zone_t *zone, void (^report_discharged)(void *memory, void *info));
#else
void *enumerate_unavailable_without_blocks;
#endif /* __BLOCKS__ */
void (* MALLOC_INTROSPECT_FN_PTR(reinit_lock))(malloc_zone_t *zone); /* Reinitialize zone locks, called only from atfork_child handler. Present in version >= 9. */
void (* MALLOC_INTROSPECT_FN_PTR(print_task))(task_t task, unsigned level, vm_address_t zone_address, memory_reader_t reader, print_task_printer_t printer); /* debug print for another process. Present in version >= 11. */
void (* MALLOC_INTROSPECT_FN_PTR(task_statistics))(task_t task, vm_address_t zone_address, memory_reader_t reader, malloc_statistics_t *stats); /* Present in version >= 12 */
} malloc_introspection_t;
// The value of "level" when passed to print_task() that corresponds to
// verbose passed to print()
#define MALLOC_VERBOSE_PRINT_LEVEL 2
extern void malloc_printf(const char *format, ...);
/* Convenience for logging errors and warnings;
No allocation is performed during execution of this function;
Only understands usual %p %d %s formats, and %y that expresses a number of bytes (5b,10KB,1MB...)
*/
/********* Functions for performance tools ************/
extern kern_return_t malloc_get_all_zones(task_t task, memory_reader_t reader, vm_address_t **addresses, unsigned *count);
/* Fills addresses and count with the addresses of the zones in task;
Note that the validity of the addresses returned correspond to the validity of the memory returned by reader */
/********* Debug helpers ************/
extern void malloc_zone_print_ptr_info(void *ptr);
/* print to stdout if this pointer is in the malloc heap, free status, and size */
extern boolean_t malloc_zone_check(malloc_zone_t *zone);
/* Checks zone is well formed; if !zone, checks all zones */
extern void malloc_zone_print(malloc_zone_t *zone, boolean_t verbose);
/* Prints summary on zone; if !zone, prints all zones */
extern void malloc_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats);
/* Fills statistics for zone; if !zone, sums up all zones */
extern void malloc_zone_log(malloc_zone_t *zone, void *address);
/* Controls logging of all activity; if !zone, for all zones;
If address==0 nothing is logged;
If address==-1 all activity is logged;
Else only the activity regarding address is logged */
struct mstats {
size_t bytes_total;
size_t chunks_used;
size_t bytes_used;
size_t chunks_free;
size_t bytes_free;
};
extern struct mstats mstats(void);
extern boolean_t malloc_zone_enable_discharge_checking(malloc_zone_t *zone) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
/* Increment the discharge checking enabled counter for a zone. Returns true if the zone supports checking, false if it does not. */
extern void malloc_zone_disable_discharge_checking(malloc_zone_t *zone) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
/* Decrement the discharge checking enabled counter for a zone. */
extern void malloc_zone_discharge(malloc_zone_t *zone, void *memory) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
/* Register memory that the programmer expects to be freed soon.
zone may be NULL in which case the zone is determined using malloc_zone_from_ptr().
If discharge checking is off for the zone this function is a no-op. */
#ifdef __BLOCKS__
extern void malloc_zone_enumerate_discharged_pointers(malloc_zone_t *zone, void (^report_discharged)(void *memory, void *info)) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
/* Calls report_discharged for each block that was registered using malloc_zone_discharge() but has not yet been freed.
info is used to provide zone defined information about the memory block.
If zone is NULL then the enumeration covers all zones. */
#else
extern void malloc_zone_enumerate_discharged_pointers(malloc_zone_t *zone, void *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
#endif /* __BLOCKS__ */
__END_DECLS
#endif /* _MALLOC_MALLOC_H_ */

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lib/libc/include/x86_64-macos-gnu/sys/file.h Normal file
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/*
* Copyright (c) 2000-2008 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@
*/
/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
/*
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 BY THE REGENTS 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 REGENTS 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.
*
* @(#)file.h 8.3 (Berkeley) 1/9/95
*/
#ifndef _SYS_FILE_H_
#define _SYS_FILE_H_
#include <sys/appleapiopts.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/unistd.h>
#include <sys/queue.h>
#include <sys/cdefs.h>
#ifndef _KAUTH_CRED_T
#define _KAUTH_CRED_T
struct ucred;
typedef struct ucred *kauth_cred_t;
struct posix_cred;
typedef struct posix_cred *posix_cred_t;
#endif /* !_KAUTH_CRED_T */
__BEGIN_DECLS
__END_DECLS
#endif /* !_SYS_FILE_H_ */