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Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-malloc/malloc.h')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmx-malloc/malloc.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-malloc/malloc.h b/sys/contrib/octeon-sdk/cvmx-malloc/malloc.h new file mode 100644 index 0000000..6d6f634 --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmx-malloc/malloc.h @@ -0,0 +1,213 @@ +/* +Copyright (c) 2001 Wolfram Gloger +Copyright (c) 2006 Cavium networks + +Permission to use, copy, modify, distribute, and sell this software +and its documentation for any purpose is hereby granted without fee, +provided that (i) the above copyright notices and this permission +notice appear in all copies of the software and related documentation, +and (ii) the name of Wolfram Gloger may not be used in any advertising +or publicity relating to the software. + +THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, +EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY +WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + +IN NO EVENT SHALL WOLFRAM GLOGER BE LIABLE FOR ANY SPECIAL, +INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY +DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY +OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. +*/ + +#ifndef _MALLOC_H +#define _MALLOC_H 1 + +#undef _LIBC +#ifdef _LIBC +#include <features.h> +#endif + +/* + $Id: malloc.h 30481 2007-12-05 21:46:59Z rfranz $ + `ptmalloc2', a malloc implementation for multiple threads without + lock contention, by Wolfram Gloger <wg@malloc.de>. + + VERSION 2.7.0 + + This work is mainly derived from malloc-2.7.0 by Doug Lea + <dl@cs.oswego.edu>, which is available from: + + ftp://gee.cs.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 + `malloc.c'. +*/ + +#if 0 +# include <stddef.h> +# define __malloc_ptr_t void * +# undef size_t +# define size_t unsigned long +# undef ptrdiff_t +# define ptrdiff_t long +#else +# undef Void_t +# define Void_t void +# 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. */ +# if defined __cplusplus && (__GNUC__ >= 3 || __GNUC_MINOR__ >= 8) +# define __THROW throw () +# else +# define __THROW +# 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 + +/* Nonzero if the malloc is already initialized. */ +#ifdef _LIBC +/* In the GNU libc we rename the global variable + `__malloc_initialized' to `__libc_malloc_initialized'. */ +# define __malloc_initialized __libc_malloc_initialized +#endif +extern int cvmx__malloc_initialized; + + +/* SVID2/XPG mallinfo structure */ + +struct mallinfo { + int arena; /* non-mmapped space allocated from system */ + int ordblks; /* number of free chunks */ + int smblks; /* number of fastbin blocks */ + int hblks; /* number of mmapped regions */ + int hblkhd; /* space in mmapped regions */ + int usmblks; /* maximum total allocated space */ + int fsmblks; /* space available in freed fastbin blocks */ + int uordblks; /* total allocated space */ + int fordblks; /* total free 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)); + +/* SVID2/XPG mallopt options */ +#ifndef M_MXFAST +# define M_MXFAST 1 /* maximum request size for "fastbins" */ +#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 + +/* General SVID/XPG interface to tunable parameters. */ +extern int mallopt __MALLOC_P ((int __param, int __val)); + +/* 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)); + +/* Report the number of usable allocated bytes associated with allocated + chunk __ptr. */ +extern size_t malloc_usable_size __MALLOC_P ((__malloc_ptr_t __ptr)); + +/* Prints brief summary statistics on stderr. */ +extern void malloc_stats __MALLOC_P ((void)); + +/* Record the state of all malloc variables in an opaque data structure. */ +extern __malloc_ptr_t malloc_get_state __MALLOC_P ((void)); + +/* Restore the state of all malloc variables from data obtained with + malloc_get_state(). */ +extern int malloc_set_state __MALLOC_P ((__malloc_ptr_t __ptr)); + +/* Called once when malloc is initialized; redefining this variable in + the application provides the preferred way to set up the hook + pointers. */ +extern void (*cmvx__malloc_initialize_hook) __MALLOC_PMT ((void)); +/* Hooks for debugging and user-defined versions. */ +extern void (*cvmx__free_hook) __MALLOC_PMT ((__malloc_ptr_t __ptr, + __const __malloc_ptr_t)); +extern __malloc_ptr_t (*cvmx__malloc_hook) __MALLOC_PMT ((size_t __size, + __const __malloc_ptr_t)); +extern __malloc_ptr_t (*cvmx__realloc_hook) __MALLOC_PMT ((__malloc_ptr_t __ptr, + size_t __size, + __const __malloc_ptr_t)); +extern __malloc_ptr_t (*cvmx__memalign_hook) __MALLOC_PMT ((size_t __alignment, + size_t __size, + __const __malloc_ptr_t)); +extern void (*__after_morecore_hook) __MALLOC_PMT ((void)); + +/* Activate a standard set of debugging hooks. */ +extern void cvmx__malloc_check_init __MALLOC_P ((void)); + +/* Internal routines, operating on "arenas". */ +struct malloc_state; +typedef struct malloc_state *mstate; +#ifdef __cplusplus +}; /* end of extern "C" */ +#endif + + +#endif /* malloc.h */ |
