haiku/headers/os/support/SupportDefs.h
beveloper 188b5de0bf renamed atomic_read() into atomic_get() (since we already have atomic_set(), but not a atomic_write())
renamed user_??? functions into the new _user_??? naming style.
changed implementation of PPC 64 bit atomic functions to use (un)lock_memory()


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4417 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-08-31 01:21:56 +00:00

179 lines
5.5 KiB
C

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// 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:
//
// 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.
//
// File Name: SupportDefs.h
// Author: Erik Jaesler (erik@cgsoftware.com)
// Description: Common type definitions.
//------------------------------------------------------------------------------
#ifndef _SUPPORT_DEFS_H
#define _SUPPORT_DEFS_H
/* this !must! be located before the include of sys/types.h */
#ifndef _SYS_TYPES_H
typedef unsigned long ulong;
typedef unsigned int uint;
typedef unsigned short ushort;
#endif // _SYS_TYPES_H
// Standard Includes -----------------------------------------------------------
// System Includes -------------------------------------------------------------
#include <BeBuild.h>
#include <sys/types.h>
#include <Errors.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
// Globals ---------------------------------------------------------------------
// Shorthand type formats ------------------------------------------------------
typedef signed char int8;
typedef unsigned char uint8;
typedef volatile signed char vint8;
typedef volatile unsigned char vuint8;
typedef short int16;
typedef unsigned short uint16;
typedef volatile short vint16;
typedef volatile unsigned short vuint16;
typedef long int32;
typedef unsigned long uint32;
typedef volatile long vint32;
typedef volatile unsigned long vuint32;
typedef long long int64;
typedef unsigned long long uint64;
typedef volatile long long vint64;
typedef volatile unsigned long long vuint64;
typedef volatile long vlong;
typedef volatile int vint;
typedef volatile short vshort;
typedef volatile char vchar;
typedef volatile unsigned long vulong;
typedef volatile unsigned int vuint;
typedef volatile unsigned short vushort;
typedef volatile unsigned char vuchar;
typedef unsigned char uchar;
typedef unsigned short unichar;
// Descriptive formats ---------------------------------------------------------
typedef int32 status_t;
typedef int64 bigtime_t;
typedef uint32 type_code;
typedef uint32 perform_code;
// Empty string ("") -----------------------------------------------------------
#ifdef __cplusplus
extern _IMPEXP_BE const char *B_EMPTY_STRING;
#endif
// min and max comparisons -----------------------------------------------------
// min() and max() won't work in C++
#define min_c(a,b) ((a)>(b)?(b):(a))
#define max_c(a,b) ((a)>(b)?(a):(b))
#ifndef __cplusplus
#ifndef min
#define min(a,b) ((a)>(b)?(b):(a))
#endif
#ifndef max
#define max(a,b) ((a)>(b)?(a):(b))
#endif
#endif
// Grandfathering --------------------------------------------------------------
#ifndef __cplusplus
typedef unsigned char bool;
#define false 0
#define true 1
#endif
#ifndef NULL
#define NULL (0)
#endif
//------------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
//----- Atomic functions; old value is returned --------------------------------
extern _IMPEXP_ROOT int32 atomic_set(vint32 *value, int32 newValue);
extern _IMPEXP_ROOT int32 atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst);
extern _IMPEXP_ROOT int32 atomic_add(vint32 *value, int32 addValue);
extern _IMPEXP_ROOT int32 atomic_and(vint32 *value, int32 andValue);
extern _IMPEXP_ROOT int32 atomic_or(vint32 *value, int32 orValue);
extern _IMPEXP_ROOT int32 atomic_get(vint32 *value);
extern _IMPEXP_ROOT int64 atomic_set64(vint64 *value, int64 newValue);
extern _IMPEXP_ROOT int64 atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst);
extern _IMPEXP_ROOT int64 atomic_add64(vint64 *value, int64 addValue);
extern _IMPEXP_ROOT int64 atomic_and64(vint64 *value, int64 andValue);
extern _IMPEXP_ROOT int64 atomic_or64(vint64 *value, int64 orValue);
extern _IMPEXP_ROOT int64 atomic_get64(vint64 *value);
// Other stuff -----------------------------------------------------------------
extern _IMPEXP_ROOT void * get_stack_frame(void);
#ifdef __cplusplus
}
#endif
//-------- Obsolete or discouraged API -----------------------------------------
// use 'true' and 'false'
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
//------------------------------------------------------------------------------
#endif // _SUPPORT_DEFS_H
/*
* $Log $
*
* $Id $
*
*/