+/* Prototypes and definition for malloc implementation.
+ Copyright (C) 1996, 1997, 1999, 2000 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _MALLOC_H
+#define _MALLOC_H 1
-#ifndef __MALLOC_H
-#define __MALLOC_H
#include <features.h>
-#include <sys/types.h>
/*
- * Mini malloc allows you to use a less efficient but smaller malloc the
- * cost is about 100 bytes of code in free but malloc (700bytes) doesn't
- * have to be linked. Unfortunatly memory can only be reused if everything
- * above it has been freed
- *
- */
+ `ptmalloc', a malloc implementation for multiple threads without
+ lock contention, by Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>.
+ See the files `ptmalloc.c' or `COPYRIGHT' for copying conditions.
+
+ VERSION 2.6.4-pt Wed Dec 4 00:35:54 MET 1996
+
+ This work is mainly derived from malloc-2.6.4 by Doug Lea
+ <dl@cs.oswego.edu>, which is available from:
-extern void free __P((void *));
-extern void *malloc __P((size_t));
-extern void *realloc __P((void *, size_t));
-extern void *alloca __P((size_t));
+ ftp://g.oswego.edu/pub/misc/malloc.c
+
+ This trimmed-down header file only provides function prototypes and
+ the exported data structures. For more detailed function
+ descriptions and compile-time options, see the source file
+ `ptmalloc.c'.
+*/
+
+#if defined(__STDC__) || defined (__cplusplus)
+# include <stddef.h>
+# define __malloc_ptr_t void *
+#else
+# undef size_t
+# define size_t unsigned int
+# undef ptrdiff_t
+# define ptrdiff_t int
+# define __malloc_ptr_t char *
+#endif
+
+#ifdef _LIBC
+/* Used by GNU libc internals. */
+# define __malloc_size_t size_t
+# define __malloc_ptrdiff_t ptrdiff_t
+#elif !defined __attribute_malloc__
+# define __attribute_malloc__
+#endif
-extern void *(*__alloca_alloc) __P((size_t));
+#ifdef __GNUC__
-#ifdef __LIBC__
-#define __MINI_MALLOC__
+/* GCC can always grok prototypes. For C++ programs we add throw()
+ to help it optimize the function calls. But this works only with
+ gcc 2.8.x and egcs. */
+#ifndef __THROW
+# if defined __cplusplus && (__GNUC__ >= 3 || __GNUC_MINOR__ >= 8)
+# define __THROW throw ()
+# else
+# define __THROW
+# endif
#endif
+# define __MALLOC_P(args) args __THROW
+/* This macro will be used for functions which might take C++ callback
+ functions. */
+# define __MALLOC_PMT(args) args
-#ifdef __MINI_MALLOC__
-#define malloc(x) ((*__alloca_alloc)(x))
+#else /* Not GCC. */
+
+# define __THROW
+
+# if (defined __STDC__ && __STDC__) || defined __cplusplus
+
+# define __MALLOC_P(args) args
+# define __MALLOC_PMT(args) args
+
+# else /* Not ANSI C or C++. */
+
+# define __MALLOC_P(args) () /* No prototypes. */
+# define __MALLOC_PMT(args) ()
+
+# endif /* ANSI C or C++. */
+
+#endif /* GCC. */
+
+#ifndef NULL
+# ifdef __cplusplus
+# define NULL 0
+# else
+# define NULL ((__malloc_ptr_t) 0)
+# endif
#endif
+#ifdef __cplusplus
+extern "C" {
#endif
+
+/* Allocate SIZE bytes of memory. */
+extern __malloc_ptr_t malloc __MALLOC_P ((size_t __size)) __attribute_malloc__;
+
+/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
+extern __malloc_ptr_t calloc __MALLOC_P ((size_t __nmemb, size_t __size))
+ __attribute_malloc__;
+
+/* Re-allocate the previously allocated block in __ptr, making the new
+ block SIZE bytes long. */
+extern __malloc_ptr_t realloc __MALLOC_P ((__malloc_ptr_t __ptr,
+ size_t __size))
+ __attribute_malloc__;
+
+/* Free a block allocated by `malloc', `realloc' or `calloc'. */
+extern void free __MALLOC_P ((__malloc_ptr_t __ptr));
+
+/* Allocate SIZE bytes allocated to ALIGNMENT bytes. */
+extern __malloc_ptr_t memalign __MALLOC_P ((size_t __alignment, size_t __size));
+libc_hidden_proto(memalign)
+
+#ifdef __UCLIBC_SUSV2_LEGACY__
+/* Allocate SIZE bytes on a page boundary. */
+extern __malloc_ptr_t valloc __MALLOC_P ((size_t __size)) __attribute_malloc__;
+#endif
+
+#ifdef __MALLOC_STANDARD__
+
+/* SVID2/XPG mallinfo structure */
+struct mallinfo {
+ int arena; /* total space allocated from system */
+ int ordblks; /* number of non-inuse chunks */
+ int smblks; /* unused -- always zero */
+ int hblks; /* number of mmapped regions */
+ int hblkhd; /* total space in mmapped regions */
+ int usmblks; /* unused -- always zero */
+ int fsmblks; /* unused -- always zero */
+ int uordblks; /* total allocated space */
+ int fordblks; /* total non-inuse space */
+ int keepcost; /* top-most, releasable (via malloc_trim) space */
+};
+
+/* Returns a copy of the updated current mallinfo. */
+extern struct mallinfo mallinfo __MALLOC_P ((void));
+libc_hidden_proto(mallinfo)
+
+/* Release all but __pad bytes of freed top-most memory back to the
+ system. Return 1 if successful, else 0. */
+extern int malloc_trim(size_t pad);
+
+#include <stdio.h>
+/* Prints brief summary statistics to the specified file.
+ * Writes to stderr if file is NULL. */
+extern void malloc_stats(FILE *file);
+
+/* SVID2/XPG mallopt options */
+#ifndef M_MXFAST
+# define M_MXFAST 1 /* UNUSED in this malloc */
+#endif
+#ifndef M_NLBLKS
+# define M_NLBLKS 2 /* UNUSED in this malloc */
+#endif
+#ifndef M_GRAIN
+# define M_GRAIN 3 /* UNUSED in this malloc */
+#endif
+#ifndef M_KEEP
+# define M_KEEP 4 /* UNUSED in this malloc */
+#endif
+
+/* mallopt options that actually do something */
+#define M_TRIM_THRESHOLD -1
+#define M_TOP_PAD -2
+#define M_MMAP_THRESHOLD -3
+#define M_MMAP_MAX -4
+#define M_CHECK_ACTION -5
+#define M_PERTURB -6
+
+/* General SVID/XPG interface to tunable parameters. */
+extern int mallopt __MALLOC_P ((int __param, int __val));
+
+#endif /* __MALLOC_STANDARD__ */
+
+/* uClibc may use malloc internally in situations where user can not be
+ * notified about out-of-memory condition. In this situation uClibc will
+ * call __uc_malloc_failed if it is non-NULL, and retry allocation
+ * if it returns. If __uc_malloc_failed is NULL, uclibc will _exit(1).
+ * NB: do not use stdio in __uc_malloc_failed handler! */
+extern void *__uc_malloc(size_t size);
+libc_hidden_proto(__uc_malloc)
+extern void (*__uc_malloc_failed)(size_t size);
+libc_hidden_proto(__uc_malloc_failed)
+
+#ifdef __cplusplus
+} /* end of extern "C" */
+#endif
+
+#endif /* malloc.h */
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