/* Prototypes and definition for malloc implementation.
- Copyright (C) 1996, 1997, 1999, 2000, 2002-2004, 2005, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _MALLOC_H
#define _MALLOC_H 1
#include <features.h>
#include <stddef.h>
-# define __malloc_ptr_t void *
-
-/* Used by GNU libc internals. */
-#define __malloc_size_t size_t
-#define __malloc_ptrdiff_t ptrdiff_t
-
-#ifdef __GNUC__
-
-# define __MALLOC_P(args) args __THROW
-/* This macro will be used for functions which might take C++ callback
- functions. */
-# define __MALLOC_PMT(args) args
-
-#else /* Not GCC. */
-
-# define __MALLOC_P(args) args
-# define __MALLOC_PMT(args) args
-
-#endif /* GCC. */
+#include <stdio.h>
+
+#ifdef _LIBC
+# define __MALLOC_HOOK_VOLATILE
+# define __MALLOC_DEPRECATED
+#else
+# define __MALLOC_HOOK_VOLATILE volatile
+# define __MALLOC_DEPRECATED __attribute_deprecated__
+#endif
__BEGIN_DECLS
/* Allocate SIZE bytes of memory. */
-extern void *malloc __MALLOC_P ((size_t __size)) __attribute_malloc__ __wur;
+extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
-extern void *calloc __MALLOC_P ((size_t __nmemb, size_t __size))
- __attribute_malloc__ __wur;
+extern void *calloc (size_t __nmemb, size_t __size)
+__THROW __attribute_malloc__ __wur;
/* Re-allocate the previously allocated block in __ptr, making the new
block SIZE bytes long. */
/* __attribute_malloc__ is not used, because if realloc returns
the same pointer that was passed to it, aliasing needs to be allowed
between objects pointed by the old and new pointers. */
-extern void *realloc __MALLOC_P ((void *__ptr, size_t __size))
- __attribute_warn_unused_result__;
+extern void *realloc (void *__ptr, size_t __size)
+__THROW __attribute_warn_unused_result__;
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
-extern void free __MALLOC_P ((void *__ptr));
+extern void free (void *__ptr) __THROW;
/* Free a block allocated by `calloc'. */
-extern void cfree __MALLOC_P ((void *__ptr));
+extern void cfree (void *__ptr) __THROW;
/* Allocate SIZE bytes allocated to ALIGNMENT bytes. */
-extern void *memalign __MALLOC_P ((size_t __alignment, size_t __size))
- __attribute_malloc__ __wur;
+extern void *memalign (size_t __alignment, size_t __size)
+__THROW __attribute_malloc__ __wur;
/* Allocate SIZE bytes on a page boundary. */
-extern void *valloc __MALLOC_P ((size_t __size))
- __attribute_malloc__ __wur;
+extern void *valloc (size_t __size) __THROW __attribute_malloc__ __wur;
/* Equivalent to valloc(minimum-page-that-holds(n)), that is, round up
__size to nearest pagesize. */
-extern void * pvalloc __MALLOC_P ((size_t __size))
- __attribute_malloc__ __wur;
+extern void *pvalloc (size_t __size) __THROW __attribute_malloc__ __wur;
/* Underlying allocation function; successive calls should return
contiguous pieces of memory. */
-extern void *(*__morecore) __MALLOC_PMT ((ptrdiff_t __size));
+extern void *(*__morecore) (ptrdiff_t __size);
/* Default value of `__morecore'. */
-extern void *__default_morecore __MALLOC_P ((ptrdiff_t __size))
- __attribute_malloc__;
+extern void *__default_morecore (ptrdiff_t __size)
+__THROW __attribute_malloc__;
/* SVID2/XPG mallinfo structure */
-struct mallinfo {
+struct mallinfo
+{
int arena; /* non-mmapped space allocated from system */
int ordblks; /* number of free chunks */
int smblks; /* number of fastbin blocks */
};
/* Returns a copy of the updated current mallinfo. */
-extern struct mallinfo mallinfo __MALLOC_P ((void));
+extern struct mallinfo mallinfo (void) __THROW;
/* SVID2/XPG mallopt options */
#ifndef M_MXFAST
-# define M_MXFAST 1 /* maximum request size for "fastbins" */
+# define M_MXFAST 1 /* maximum request size for "fastbins" */
#endif
#ifndef M_NLBLKS
-# define M_NLBLKS 2 /* UNUSED in this malloc */
+# define M_NLBLKS 2 /* UNUSED in this malloc */
#endif
#ifndef M_GRAIN
-# define M_GRAIN 3 /* UNUSED in this malloc */
+# define M_GRAIN 3 /* UNUSED in this malloc */
#endif
#ifndef M_KEEP
-# define M_KEEP 4 /* UNUSED in this malloc */
+# define M_KEEP 4 /* UNUSED in this malloc */
#endif
/* mallopt options that actually do something */
#define M_MMAP_THRESHOLD -3
#define M_MMAP_MAX -4
#define M_CHECK_ACTION -5
-#define M_PERTURB -6
+#define M_PERTURB -6
+#define M_ARENA_TEST -7
+#define M_ARENA_MAX -8
/* General SVID/XPG interface to tunable parameters. */
-extern int mallopt __MALLOC_P ((int __param, int __val));
+extern int mallopt (int __param, int __val) __THROW;
/* Release all but __pad bytes of freed top-most memory back to the
system. Return 1 if successful, else 0. */
-extern int malloc_trim __MALLOC_P ((size_t __pad));
+extern int malloc_trim (size_t __pad) __THROW;
/* Report the number of usable allocated bytes associated with allocated
chunk __ptr. */
-extern size_t malloc_usable_size __MALLOC_P ((void *__ptr));
+extern size_t malloc_usable_size (void *__ptr) __THROW;
/* Prints brief summary statistics on stderr. */
-extern void malloc_stats __MALLOC_P ((void));
+extern void malloc_stats (void) __THROW;
+
+/* Output information about state of allocator to stream FP. */
+extern int malloc_info (int __options, FILE *__fp) __THROW;
/* Record the state of all malloc variables in an opaque data structure. */
-extern void *malloc_get_state __MALLOC_P ((void));
+extern void *malloc_get_state (void) __THROW;
/* Restore the state of all malloc variables from data obtained with
malloc_get_state(). */
-extern int malloc_set_state __MALLOC_P ((void *__ptr));
+extern int malloc_set_state (void *__ptr) __THROW;
/* Called once when malloc is initialized; redefining this variable in
the application provides the preferred way to set up the hook
pointers. */
-extern void (*__malloc_initialize_hook) __MALLOC_PMT ((void));
+extern void (*__MALLOC_HOOK_VOLATILE __malloc_initialize_hook) (void)
+__MALLOC_DEPRECATED;
/* Hooks for debugging and user-defined versions. */
-extern void (*__free_hook) __MALLOC_PMT ((void *__ptr,
- __const __malloc_ptr_t));
-extern void *(*__malloc_hook) __MALLOC_PMT ((size_t __size,
- __const __malloc_ptr_t));
-extern void *(*__realloc_hook) __MALLOC_PMT ((void *__ptr, size_t __size,
- __const __malloc_ptr_t));
-extern void *(*__memalign_hook) __MALLOC_PMT ((size_t __alignment,
- size_t __size,
- __const __malloc_ptr_t));
-extern void (*__after_morecore_hook) __MALLOC_PMT ((void));
+extern void (*__MALLOC_HOOK_VOLATILE __free_hook) (void *__ptr,
+ const void *)
+__MALLOC_DEPRECATED;
+extern void *(*__MALLOC_HOOK_VOLATILE __malloc_hook)(size_t __size,
+ const void *)
+__MALLOC_DEPRECATED;
+extern void *(*__MALLOC_HOOK_VOLATILE __realloc_hook)(void *__ptr,
+ size_t __size,
+ const void *)
+__MALLOC_DEPRECATED;
+extern void *(*__MALLOC_HOOK_VOLATILE __memalign_hook)(size_t __alignment,
+ size_t __size,
+ const void *)
+__MALLOC_DEPRECATED;
+extern void (*__MALLOC_HOOK_VOLATILE __after_morecore_hook) (void);
/* Activate a standard set of debugging hooks. */
-extern void __malloc_check_init __MALLOC_P ((void));
+extern void __malloc_check_init (void) __THROW __MALLOC_DEPRECATED;
__END_DECLS
-
#endif /* malloc.h */
projects / platform / upstream / glibc.git / blobdiff