/*
* Copyright (c) 2015-16 David Lamparter, for NetDEF, Inc.
*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _QUAGGA_MEMORY_H
#define _QUAGGA_MEMORY_H
#include <stdlib.h>
+#include <stdio.h>
+#include <frratomic.h>
+#include "compiler.h"
#define array_size(ar) (sizeof(ar) / sizeof(ar[0]))
-#define SIZE_VAR ~0UL
-struct memtype
-{
- struct memtype *next;
- const char *name;
- size_t n_alloc;
- size_t size;
-};
-
-struct memgroup
-{
- struct memgroup *next;
- struct memtype *types, **insert;
- const char *name;
-};
-
-#if defined(__clang__)
-# if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 5)
-# define _RET_NONNULL , returns_nonnull
-# endif
-# define _CONSTRUCTOR(x) constructor(x)
-#elif defined(__GNUC__)
-# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
-# define _RET_NONNULL , returns_nonnull
-# endif
-# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
-# define _CONSTRUCTOR(x) constructor(x)
-# define _ALLOC_SIZE(x) alloc_size(x)
-# endif
+#if defined(HAVE_MALLOC_SIZE) && !defined(HAVE_MALLOC_USABLE_SIZE)
+#define malloc_usable_size(x) malloc_size(x)
+#define HAVE_MALLOC_USABLE_SIZE
#endif
-#ifdef __sun
-/* Solaris doesn't do constructor priorities due to linker restrictions */
-# undef _CONSTRUCTOR
+#define SIZE_VAR ~0UL
+struct memtype {
+ struct memtype *next, **ref;
+ const char *name;
+ _Atomic size_t n_alloc;
+ _Atomic size_t n_max;
+ _Atomic size_t size;
+#ifdef HAVE_MALLOC_USABLE_SIZE
+ _Atomic size_t total;
+ _Atomic size_t max_size;
#endif
+};
-#ifndef _RET_NONNULL
-# define _RET_NONNULL
-#endif
-#ifndef _CONSTRUCTOR
-# define _CONSTRUCTOR(x) constructor
-#endif
-#ifndef _ALLOC_SIZE
-# define _ALLOC_SIZE(x)
-#endif
+struct memgroup {
+ struct memgroup *next, **ref;
+ struct memtype *types, **insert;
+ const char *name;
+};
/* macro usage:
*
* DEFINE_MGROUP(MYDAEMON, "my daemon memory")
* DEFINE_MTYPE(MYDAEMON, MYDAEMON_COMMON,
* "this mtype is used in multiple files in mydaemon")
- * foo = qmalloc (MTYPE_MYDAEMON_COMMON, sizeof (*foo))
+ * foo = qmalloc(MTYPE_MYDAEMON_COMMON, sizeof(*foo))
*
* mydaemon_io.c
- * bar = qmalloc (MTYPE_MYDAEMON_COMMON, sizeof (*bar))
+ * bar = qmalloc(MTYPE_MYDAEMON_COMMON, sizeof(*bar))
*
* DEFINE_MTYPE_STATIC(MYDAEMON, MYDAEMON_IO,
* "this mtype is used only in this file")
- * baz = qmalloc (MTYPE_MYDAEMON_IO, sizeof (*baz))
+ * baz = qmalloc(MTYPE_MYDAEMON_IO, sizeof(*baz))
*
* Note: Naming conventions (MGROUP_ and MTYPE_ prefixes are enforced
* by not having these as part of the macro arguments)
* but MGROUP_* aren't.
*/
-#define DECLARE_MGROUP(name) \
- extern struct memgroup _mg_##name;
-#define DEFINE_MGROUP(mname, desc) \
- struct memgroup _mg_##mname \
- __attribute__ ((section (".data.mgroups"))) = { \
- .name = desc, \
- .types = NULL, .next = NULL, .insert = NULL, \
- }; \
- static void _mginit_##mname (void) \
- __attribute__ ((_CONSTRUCTOR (1000))); \
- static void _mginit_##mname (void) \
- { extern struct memgroup **mg_insert; \
- *mg_insert = &_mg_##mname; \
- mg_insert = &_mg_##mname.next; }
-
-
-#define DECLARE_MTYPE(name) \
- extern struct memtype _mt_##name; \
- static struct memtype * const MTYPE_ ## name = &_mt_##name;
-
-#define DEFINE_MTYPE_ATTR(group, mname, attr, desc) \
- attr struct memtype _mt_##mname \
- __attribute__ ((section (".data.mtypes"))) = { \
- .name = desc, \
- .next = NULL, .n_alloc = 0, .size = 0, \
- }; \
- static void _mtinit_##mname (void) \
- __attribute__ ((_CONSTRUCTOR (1001))); \
- static void _mtinit_##mname (void) \
- { if (_mg_##group.insert == NULL) \
- _mg_##group.insert = &_mg_##group.types; \
- *_mg_##group.insert = &_mt_##mname; \
- _mg_##group.insert = &_mt_##mname.next; }
-
-#define DEFINE_MTYPE(group, name, desc) \
- DEFINE_MTYPE_ATTR(group, name, , desc)
-#define DEFINE_MTYPE_STATIC(group, name, desc) \
- DEFINE_MTYPE_ATTR(group, name, static, desc) \
- static struct memtype * const MTYPE_ ## name = &_mt_##name;
+#define DECLARE_MGROUP(name) extern struct memgroup _mg_##name;
+#define DEFINE_MGROUP(mname, desc) \
+ struct memgroup _mg_##mname \
+ __attribute__((section(".data.mgroups"))) = { \
+ .name = desc, \
+ .types = NULL, \
+ .next = NULL, \
+ .insert = NULL, \
+ .ref = NULL, \
+ }; \
+ static void _mginit_##mname(void) __attribute__((_CONSTRUCTOR(1000))); \
+ static void _mginit_##mname(void) \
+ { \
+ extern struct memgroup **mg_insert; \
+ _mg_##mname.ref = mg_insert; \
+ *mg_insert = &_mg_##mname; \
+ mg_insert = &_mg_##mname.next; \
+ } \
+ static void _mgfini_##mname(void) __attribute__((_DESTRUCTOR(1000))); \
+ static void _mgfini_##mname(void) \
+ { \
+ if (_mg_##mname.next) \
+ _mg_##mname.next->ref = _mg_##mname.ref; \
+ *_mg_##mname.ref = _mg_##mname.next; \
+ }
+
+
+#define DECLARE_MTYPE(name) \
+ extern struct memtype _mt_##name; \
+ static struct memtype *const MTYPE_##name = &_mt_##name;
+
+#define DEFINE_MTYPE_ATTR(group, mname, attr, desc) \
+ attr struct memtype _mt_##mname \
+ __attribute__((section(".data.mtypes"))) = { \
+ .name = desc, \
+ .next = NULL, \
+ .n_alloc = 0, \
+ .size = 0, \
+ .ref = NULL, \
+ }; \
+ static void _mtinit_##mname(void) __attribute__((_CONSTRUCTOR(1001))); \
+ static void _mtinit_##mname(void) \
+ { \
+ if (_mg_##group.insert == NULL) \
+ _mg_##group.insert = &_mg_##group.types; \
+ _mt_##mname.ref = _mg_##group.insert; \
+ *_mg_##group.insert = &_mt_##mname; \
+ _mg_##group.insert = &_mt_##mname.next; \
+ } \
+ static void _mtfini_##mname(void) __attribute__((_DESTRUCTOR(1001))); \
+ static void _mtfini_##mname(void) \
+ { \
+ if (_mt_##mname.next) \
+ _mt_##mname.next->ref = _mt_##mname.ref; \
+ *_mt_##mname.ref = _mt_##mname.next; \
+ }
+
+#define DEFINE_MTYPE(group, name, desc) DEFINE_MTYPE_ATTR(group, name, , desc)
+#define DEFINE_MTYPE_STATIC(group, name, desc) \
+ DEFINE_MTYPE_ATTR(group, name, static, desc) \
+ static struct memtype *const MTYPE_##name = &_mt_##name;
DECLARE_MGROUP(LIB)
DECLARE_MTYPE(TMP)
+DECLARE_MTYPE(PREFIX_FLOWSPEC)
-extern void *qmalloc (struct memtype *mt, size_t size)
- __attribute__ ((malloc, _ALLOC_SIZE(2), nonnull (1) _RET_NONNULL));
-extern void *qcalloc (struct memtype *mt, size_t size)
- __attribute__ ((malloc, _ALLOC_SIZE(2), nonnull (1) _RET_NONNULL));
-extern void *qrealloc (struct memtype *mt, void *ptr, size_t size)
- __attribute__ ((_ALLOC_SIZE(3), nonnull (1) _RET_NONNULL));
-extern void *qstrdup (struct memtype *mt, const char *str)
- __attribute__ ((malloc, nonnull (1) _RET_NONNULL));
-extern void qfree (struct memtype *mt, void *ptr)
- __attribute__ ((nonnull (1)));
+extern void *qmalloc(struct memtype *mt, size_t size)
+ __attribute__((malloc, _ALLOC_SIZE(2), nonnull(1) _RET_NONNULL));
+extern void *qcalloc(struct memtype *mt, size_t size)
+ __attribute__((malloc, _ALLOC_SIZE(2), nonnull(1) _RET_NONNULL));
+extern void *qrealloc(struct memtype *mt, void *ptr, size_t size)
+ __attribute__((_ALLOC_SIZE(3), nonnull(1) _RET_NONNULL));
+extern void *qstrdup(struct memtype *mt, const char *str)
+ __attribute__((malloc, nonnull(1) _RET_NONNULL));
+extern void qfree(struct memtype *mt, void *ptr) __attribute__((nonnull(1)));
#define XMALLOC(mtype, size) qmalloc(mtype, size)
#define XCALLOC(mtype, size) qcalloc(mtype, size)
#define XREALLOC(mtype, ptr, size) qrealloc(mtype, ptr, size)
#define XSTRDUP(mtype, str) qstrdup(mtype, str)
-#define XFREE(mtype, ptr) do { qfree(mtype, ptr); ptr = NULL; } \
- while (0)
+#define XFREE(mtype, ptr) \
+ do { \
+ qfree(mtype, ptr); \
+ ptr = NULL; \
+ } while (0)
static inline size_t mtype_stats_alloc(struct memtype *mt)
{
*
* return value: 0: continue, !0: abort walk. qmem_walk will return the
* last value from qmem_walk_fn. */
-typedef int qmem_walk_fn (void *arg, struct memgroup *mg, struct memtype *mt);
-extern int qmem_walk (qmem_walk_fn *func, void *arg);
-extern void log_memstats_stderr (const char *);
+typedef int qmem_walk_fn(void *arg, struct memgroup *mg, struct memtype *mt);
+extern int qmem_walk(qmem_walk_fn *func, void *arg);
+extern int log_memstats(FILE *fp, const char *);
+#define log_memstats_stderr(prefix) log_memstats(stderr, prefix)
-extern void memory_oom (size_t size, const char *name);
+extern void memory_oom(size_t size, const char *name);
#endif /* _QUAGGA_MEMORY_H */
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