authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2020-11-30 20:20:00-08:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2020-11-30 20:20:31-08:00
log02e12ede46502e7c0f04ae94292e005a113a84c9
treed56277e60be1051d2debbc0cc7af3622d1a68699
parent92ec24f77c6c146fd9943a41b055603ff1e442a5

update to latest fetch-them-macos-headers

commit 1efc3a7f584dd75a5783756e168af74cdf6bb727

2 files changed, 400 insertions(+), 0 deletions(-)

lib/libc/include/x86_64-macos-gnu/malloc/malloc.h created+314
...@@ -0,0 +1,314 @@
1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#ifndef _MALLOC_MALLOC_H_
25#define _MALLOC_MALLOC_H_
26
27#include <stddef.h>
28#include <mach/mach_types.h>
29#include <sys/cdefs.h>
30#include <Availability.h>
31
32#if __has_feature(ptrauth_calls)
33#include <ptrauth.h>
34
35// Zone function pointer, type-diversified but not address-diversified (because
36// the zone can be copied). Process-independent because the zone structure may
37// be in the shared library cache.
38#define MALLOC_ZONE_FN_PTR(fn) __ptrauth(ptrauth_key_process_independent_code, \
39 FALSE, ptrauth_string_discriminator("malloc_zone_fn." #fn)) fn
40
41// Introspection function pointer, address- and type-diversified.
42// Process-independent because the malloc_introspection_t structure that contains
43// these pointers may be in the shared library cache.
44#define MALLOC_INTROSPECT_FN_PTR(fn) __ptrauth(ptrauth_key_process_independent_code, \
45 TRUE, ptrauth_string_discriminator("malloc_introspect_fn." #fn)) fn
46
47// Pointer to the introspection pointer table, type-diversified but not
48// address-diversified (because the zone can be copied).
49// Process-independent because the table pointer may be in the shared library cache.
50#define MALLOC_INTROSPECT_TBL_PTR(ptr) __ptrauth(ptrauth_key_process_independent_data,\
51 FALSE, ptrauth_string_discriminator("malloc_introspect_tbl")) ptr
52
53#endif // __has_feature(ptrauth_calls)
54
55#ifndef MALLOC_ZONE_FN_PTR
56#define MALLOC_ZONE_FN_PTR(fn) fn
57#define MALLOC_INTROSPECT_FN_PTR(fn) fn
58#define MALLOC_INTROSPECT_TBL_PTR(ptr) ptr
59#endif // MALLOC_ZONE_FN_PTR
60
61__BEGIN_DECLS
62/********* Type definitions ************/
63
64typedef struct _malloc_zone_t {
65 /* Only zone implementors should depend on the layout of this structure;
66 Regular callers should use the access functions below */
67 void *reserved1; /* RESERVED FOR CFAllocator DO NOT USE */
68 void *reserved2; /* RESERVED FOR CFAllocator DO NOT USE */
69 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 */
70 void *(* MALLOC_ZONE_FN_PTR(malloc))(struct _malloc_zone_t *zone, size_t size);
71 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 */
72 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 */
73 void (* MALLOC_ZONE_FN_PTR(free))(struct _malloc_zone_t *zone, void *ptr);
74 void *(* MALLOC_ZONE_FN_PTR(realloc))(struct _malloc_zone_t *zone, void *ptr, size_t size);
75 void (* MALLOC_ZONE_FN_PTR(destroy))(struct _malloc_zone_t *zone); /* zone is destroyed and all memory reclaimed */
76 const char *zone_name;
77
78 /* Optional batch callbacks; these may be NULL */
79 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) */
80 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 */
81
82 struct malloc_introspection_t * MALLOC_INTROSPECT_TBL_PTR(introspect);
83 unsigned version;
84
85 /* aligned memory allocation. The callback may be NULL. Present in version >= 5. */
86 void *(* MALLOC_ZONE_FN_PTR(memalign))(struct _malloc_zone_t *zone, size_t alignment, size_t size);
87
88 /* free a pointer known to be in zone and known to have the given size. The callback may be NULL. Present in version >= 6.*/
89 void (* MALLOC_ZONE_FN_PTR(free_definite_size))(struct _malloc_zone_t *zone, void *ptr, size_t size);
90
91 /* Empty out caches in the face of memory pressure. The callback may be NULL. Present in version >= 8. */
92 size_t (* MALLOC_ZONE_FN_PTR(pressure_relief))(struct _malloc_zone_t *zone, size_t goal);
93
94 /*
95 * Checks whether an address might belong to the zone. May be NULL. Present in version >= 10.
96 * False positives are allowed (e.g. the pointer was freed, or it's in zone space that has
97 * not yet been allocated. False negatives are not allowed.
98 */
99 boolean_t (* MALLOC_ZONE_FN_PTR(claimed_address))(struct _malloc_zone_t *zone, void *ptr);
100} malloc_zone_t;
101
102/********* Creation and destruction ************/
103
104extern malloc_zone_t *malloc_default_zone(void);
105 /* The initial zone */
106
107extern malloc_zone_t *malloc_create_zone(vm_size_t start_size, unsigned flags);
108 /* Creates a new zone with default behavior and registers it */
109
110extern void malloc_destroy_zone(malloc_zone_t *zone);
111 /* Destroys zone and everything it allocated */
112
113/********* Block creation and manipulation ************/
114
115extern void *malloc_zone_malloc(malloc_zone_t *zone, size_t size) __alloc_size(2);
116 /* Allocates a new pointer of size size; zone must be non-NULL */
117
118extern void *malloc_zone_calloc(malloc_zone_t *zone, size_t num_items, size_t size) __alloc_size(2,3);
119 /* Allocates a new pointer of size num_items * size; block is cleared; zone must be non-NULL */
120
121extern void *malloc_zone_valloc(malloc_zone_t *zone, size_t size) __alloc_size(2);
122 /* Allocates a new pointer of size size; zone must be non-NULL; Pointer is guaranteed to be page-aligned and block is cleared */
123
124extern void malloc_zone_free(malloc_zone_t *zone, void *ptr);
125 /* Frees pointer in zone; zone must be non-NULL */
126
127extern void *malloc_zone_realloc(malloc_zone_t *zone, void *ptr, size_t size) __alloc_size(3);
128 /* Enlarges block if necessary; zone must be non-NULL */
129
130extern malloc_zone_t *malloc_zone_from_ptr(const void *ptr);
131 /* Returns the zone for a pointer, or NULL if not in any zone.
132 The ptr must have been returned from a malloc or realloc call. */
133
134extern size_t malloc_size(const void *ptr);
135 /* Returns size of given ptr */
136
137extern size_t malloc_good_size(size_t size);
138 /* Returns number of bytes greater than or equal to size that can be allocated without padding */
139
140extern 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);
141 /*
142 * Allocates a new pointer of size size whose address is an exact multiple of alignment.
143 * alignment must be a power of two and at least as large as sizeof(void *).
144 * zone must be non-NULL.
145 */
146
147/********* Batch methods ************/
148
149extern unsigned malloc_zone_batch_malloc(malloc_zone_t *zone, size_t size, void **results, unsigned num_requested);
150 /* Allocates num blocks of the same size; Returns the number truly allocated (may be 0) */
151
152extern void malloc_zone_batch_free(malloc_zone_t *zone, void **to_be_freed, unsigned num);
153 /* 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 */
154
155/********* Functions for libcache ************/
156
157extern malloc_zone_t *malloc_default_purgeable_zone(void) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
158 /* Returns a pointer to the default purgeable_zone. */
159
160extern void malloc_make_purgeable(void *ptr) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
161 /* Make an allocation from the purgeable zone purgeable if possible. */
162
163extern int malloc_make_nonpurgeable(void *ptr) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0);
164 /* Makes an allocation from the purgeable zone nonpurgeable.
165 * Returns zero if the contents were not purged since the last
166 * call to malloc_make_purgeable, else returns non-zero. */
167
168/********* Functions for zone implementors ************/
169
170extern void malloc_zone_register(malloc_zone_t *zone);
171 /* Registers a custom malloc zone; Should typically be called after a
172 * malloc_zone_t has been filled in with custom methods by a client. See
173 * malloc_create_zone for creating additional malloc zones with the
174 * default allocation and free behavior. */
175
176extern void malloc_zone_unregister(malloc_zone_t *zone);
177 /* De-registers a zone
178 Should typically be called before calling the zone destruction routine */
179
180extern void malloc_set_zone_name(malloc_zone_t *zone, const char *name);
181 /* Sets the name of a zone */
182
183extern const char *malloc_get_zone_name(malloc_zone_t *zone);
184 /* Returns the name of a zone */
185
186size_t malloc_zone_pressure_relief(malloc_zone_t *zone, size_t goal) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
187 /* malloc_zone_pressure_relief() advises the malloc subsystem that the process is under memory pressure and
188 * that the subsystem should make its best effort towards releasing (i.e. munmap()-ing) "goal" bytes from "zone".
189 * If "goal" is passed as zero, the malloc subsystem will attempt to achieve maximal pressure relief in "zone".
190 * If "zone" is passed as NULL, all zones are examined for pressure relief opportunities.
191 * malloc_zone_pressure_relief() returns the number of bytes released.
192 */
193
194typedef struct {
195 vm_address_t address;
196 vm_size_t size;
197} vm_range_t;
198
199typedef struct malloc_statistics_t {
200 unsigned blocks_in_use;
201 size_t size_in_use;
202 size_t max_size_in_use; /* high water mark of touched memory */
203 size_t size_allocated; /* reserved in memory */
204} malloc_statistics_t;
205
206typedef kern_return_t memory_reader_t(task_t remote_task, vm_address_t remote_address, vm_size_t size, void **local_memory);
207 /* given a task, "reads" the memory at the given address and size
208local_memory: set to a contiguous chunk of memory; validity of local_memory is assumed to be limited (until next call) */
209
210#define MALLOC_PTR_IN_USE_RANGE_TYPE 1 /* for allocated pointers */
211#define MALLOC_PTR_REGION_RANGE_TYPE 2 /* for region containing pointers */
212#define MALLOC_ADMIN_REGION_RANGE_TYPE 4 /* for region used internally */
213#define MALLOC_ZONE_SPECIFIC_FLAGS 0xff00 /* bits reserved for zone-specific purposes */
214
215typedef void vm_range_recorder_t(task_t, void *, unsigned type, vm_range_t *, unsigned);
216 /* given a task and context, "records" the specified addresses */
217
218/* Print function for the print_task() operation. */
219typedef void print_task_printer_t(const char *fmt, ...);
220
221typedef struct malloc_introspection_t {
222 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 */
223 size_t (* MALLOC_INTROSPECT_FN_PTR(good_size))(malloc_zone_t *zone, size_t size);
224 boolean_t (* MALLOC_INTROSPECT_FN_PTR(check))(malloc_zone_t *zone); /* Consistency checker */
225 void (* MALLOC_INTROSPECT_FN_PTR(print))(malloc_zone_t *zone, boolean_t verbose); /* Prints zone */
226 void (* MALLOC_INTROSPECT_FN_PTR(log))(malloc_zone_t *zone, void *address); /* Enables logging of activity */
227 void (* MALLOC_INTROSPECT_FN_PTR(force_lock))(malloc_zone_t *zone); /* Forces locking zone */
228 void (* MALLOC_INTROSPECT_FN_PTR(force_unlock))(malloc_zone_t *zone); /* Forces unlocking zone */
229 void (* MALLOC_INTROSPECT_FN_PTR(statistics))(malloc_zone_t *zone, malloc_statistics_t *stats); /* Fills statistics */
230 boolean_t (* MALLOC_INTROSPECT_FN_PTR(zone_locked))(malloc_zone_t *zone); /* Are any zone locks held */
231
232 /* Discharge checking. Present in version >= 7. */
233 boolean_t (* MALLOC_INTROSPECT_FN_PTR(enable_discharge_checking))(malloc_zone_t *zone);
234 void (* MALLOC_INTROSPECT_FN_PTR(disable_discharge_checking))(malloc_zone_t *zone);
235 void (* MALLOC_INTROSPECT_FN_PTR(discharge))(malloc_zone_t *zone, void *memory);
236#ifdef __BLOCKS__
237 void (* MALLOC_INTROSPECT_FN_PTR(enumerate_discharged_pointers))(malloc_zone_t *zone, void (^report_discharged)(void *memory, void *info));
238 #else
239 void *enumerate_unavailable_without_blocks;
240#endif /* __BLOCKS__ */
241 void (* MALLOC_INTROSPECT_FN_PTR(reinit_lock))(malloc_zone_t *zone); /* Reinitialize zone locks, called only from atfork_child handler. Present in version >= 9. */
242 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. */
243 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 */
244} malloc_introspection_t;
245
246// The value of "level" when passed to print_task() that corresponds to
247// verbose passed to print()
248#define MALLOC_VERBOSE_PRINT_LEVEL 2
249
250extern void malloc_printf(const char *format, ...);
251 /* Convenience for logging errors and warnings;
252 No allocation is performed during execution of this function;
253 Only understands usual %p %d %s formats, and %y that expresses a number of bytes (5b,10KB,1MB...)
254 */
255
256/********* Functions for performance tools ************/
257
258extern kern_return_t malloc_get_all_zones(task_t task, memory_reader_t reader, vm_address_t **addresses, unsigned *count);
259 /* Fills addresses and count with the addresses of the zones in task;
260 Note that the validity of the addresses returned correspond to the validity of the memory returned by reader */
261
262/********* Debug helpers ************/
263
264extern void malloc_zone_print_ptr_info(void *ptr);
265 /* print to stdout if this pointer is in the malloc heap, free status, and size */
266
267extern boolean_t malloc_zone_check(malloc_zone_t *zone);
268 /* Checks zone is well formed; if !zone, checks all zones */
269
270extern void malloc_zone_print(malloc_zone_t *zone, boolean_t verbose);
271 /* Prints summary on zone; if !zone, prints all zones */
272
273extern void malloc_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats);
274 /* Fills statistics for zone; if !zone, sums up all zones */
275
276extern void malloc_zone_log(malloc_zone_t *zone, void *address);
277 /* Controls logging of all activity; if !zone, for all zones;
278 If address==0 nothing is logged;
279 If address==-1 all activity is logged;
280 Else only the activity regarding address is logged */
281
282struct mstats {
283 size_t bytes_total;
284 size_t chunks_used;
285 size_t bytes_used;
286 size_t chunks_free;
287 size_t bytes_free;
288};
289
290extern struct mstats mstats(void);
291
292extern boolean_t malloc_zone_enable_discharge_checking(malloc_zone_t *zone) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
293/* Increment the discharge checking enabled counter for a zone. Returns true if the zone supports checking, false if it does not. */
294
295extern void malloc_zone_disable_discharge_checking(malloc_zone_t *zone) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
296/* Decrement the discharge checking enabled counter for a zone. */
297
298extern void malloc_zone_discharge(malloc_zone_t *zone, void *memory) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
299/* Register memory that the programmer expects to be freed soon.
300 zone may be NULL in which case the zone is determined using malloc_zone_from_ptr().
301 If discharge checking is off for the zone this function is a no-op. */
302
303#ifdef __BLOCKS__
304extern 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);
305/* Calls report_discharged for each block that was registered using malloc_zone_discharge() but has not yet been freed.
306 info is used to provide zone defined information about the memory block.
307 If zone is NULL then the enumeration covers all zones. */
308#else
309extern void malloc_zone_enumerate_discharged_pointers(malloc_zone_t *zone, void *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
310#endif /* __BLOCKS__ */
311
312__END_DECLS
313
314#endif /* _MALLOC_MALLOC_H_ */
lib/libc/include/x86_64-macos-gnu/sys/file.h created+86
...@@ -0,0 +1,86 @@
1/*
2 * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
29/*
30 * Copyright (c) 1982, 1986, 1989, 1993
31 * The Regents of the University of California. All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. All advertising materials mentioning features or use of this software
42 * must display the following acknowledgement:
43 * This product includes software developed by the University of
44 * California, Berkeley and its contributors.
45 * 4. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)file.h 8.3 (Berkeley) 1/9/95
62 */
63
64#ifndef _SYS_FILE_H_
65#define _SYS_FILE_H_
66
67#include <sys/appleapiopts.h>
68#include <sys/types.h>
69#include <sys/fcntl.h>
70#include <sys/unistd.h>
71#include <sys/queue.h>
72#include <sys/cdefs.h>
73
74
75#ifndef _KAUTH_CRED_T
76#define _KAUTH_CRED_T
77struct ucred;
78typedef struct ucred *kauth_cred_t;
79struct posix_cred;
80typedef struct posix_cred *posix_cred_t;
81#endif /* !_KAUTH_CRED_T */
82
83__BEGIN_DECLS
84
85__END_DECLS
86#endif /* !_SYS_FILE_H_ */