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Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/malloc.h')
| -rw-r--r-- | uclibc-crosstools-gcc-4.4.2-1/usr/include/malloc.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/malloc.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/malloc.h new file mode 100644 index 0000000..354f153 --- /dev/null +++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/malloc.h @@ -0,0 +1,191 @@ +/* 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _MALLOC_H +#define _MALLOC_H 1 + +#include <features.h> + +/* + `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: + + 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 + +#ifdef __GNUC__ + +/* 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 + +#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)); + +/* Allocate SIZE bytes on a page boundary. */ +extern __malloc_ptr_t valloc __MALLOC_P ((size_t __size)) __attribute_malloc__; + +#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)); + +/* 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__ */ + + +#ifdef __cplusplus +} /* end of extern "C" */ +#endif + +#endif /* malloc.h */ |