229 lines
6.2 KiB
C
229 lines
6.2 KiB
C
/*
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* Copyright 2004-2009, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Author:
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* Erik Jaesler (erik@cgsoftware.com)
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*/
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#ifndef _SUPPORT_DEFS_H
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#define _SUPPORT_DEFS_H
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#include <BeBuild.h>
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#include <Errors.h>
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#include <inttypes.h>
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#include <sys/types.h>
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/* fixed-size integer types */
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typedef __haiku_int8 int8;
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typedef __haiku_uint8 uint8;
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typedef __haiku_int16 int16;
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typedef __haiku_uint16 uint16;
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typedef __haiku_int32 int32;
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typedef __haiku_uint32 uint32;
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typedef __haiku_int64 int64;
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typedef __haiku_uint64 uint64;
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/* shorthand types */
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typedef volatile int8 vint8;
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typedef volatile uint8 vuint8;
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typedef volatile int16 vint16;
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typedef volatile uint16 vuint16;
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typedef volatile int32 vint32;
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typedef volatile uint32 vuint32;
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typedef volatile int64 vint64;
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typedef volatile uint64 vuint64;
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typedef volatile long vlong;
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typedef volatile int vint;
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typedef volatile short vshort;
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typedef volatile char vchar;
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typedef volatile unsigned long vulong;
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typedef volatile unsigned int vuint;
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typedef volatile unsigned short vushort;
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typedef volatile unsigned char vuchar;
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typedef unsigned char uchar;
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typedef unsigned short unichar;
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/* descriptive types */
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typedef int32 status_t;
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typedef int64 bigtime_t;
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typedef int64 nanotime_t;
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typedef uint32 type_code;
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typedef uint32 perform_code;
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/* printf()/scanf() format strings for [u]int* types */
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#define B_PRId8 "d"
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#define B_PRIi8 "i"
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#define B_PRId16 "d"
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#define B_PRIi16 "i"
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#define B_PRId32 __HAIKU_PRI_PREFIX_32 "d"
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#define B_PRIi32 __HAIKU_PRI_PREFIX_32 "i"
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#define B_PRId64 __HAIKU_PRI_PREFIX_64 "d"
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#define B_PRIi64 __HAIKU_PRI_PREFIX_64 "i"
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#define B_PRIu8 "u"
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#define B_PRIo8 "o"
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#define B_PRIx8 "x"
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#define B_PRIX8 "X"
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#define B_PRIu16 "u"
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#define B_PRIo16 "o"
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#define B_PRIx16 "x"
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#define B_PRIX16 "X"
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#define B_PRIu32 __HAIKU_PRI_PREFIX_32 "u"
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#define B_PRIo32 __HAIKU_PRI_PREFIX_32 "o"
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#define B_PRIx32 __HAIKU_PRI_PREFIX_32 "x"
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#define B_PRIX32 __HAIKU_PRI_PREFIX_32 "X"
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#define B_PRIu64 __HAIKU_PRI_PREFIX_64 "u"
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#define B_PRIo64 __HAIKU_PRI_PREFIX_64 "o"
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#define B_PRIx64 __HAIKU_PRI_PREFIX_64 "x"
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#define B_PRIX64 __HAIKU_PRI_PREFIX_64 "X"
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#define B_SCNd8 "hhd"
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#define B_SCNi8 "hhi"
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#define B_SCNd16 "hd"
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#define B_SCNi16 "hi"
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#define B_SCNd32 __HAIKU_PRI_PREFIX_32 "d"
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#define B_SCNi32 __HAIKU_PRI_PREFIX_32 "i"
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#define B_SCNd64 __HAIKU_PRI_PREFIX_64 "d"
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#define B_SCNi64 __HAIKU_PRI_PREFIX_64 "i"
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#define B_SCNu8 "hhu"
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#define B_SCNo8 "hho"
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#define B_SCNx8 "hhx"
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#define B_SCNu16 "hu"
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#define B_SCNo16 "ho"
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#define B_SCNx16 "hx"
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#define B_SCNu32 __HAIKU_PRI_PREFIX_32 "u"
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#define B_SCNo32 __HAIKU_PRI_PREFIX_32 "o"
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#define B_SCNx32 __HAIKU_PRI_PREFIX_32 "x"
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#define B_SCNu64 __HAIKU_PRI_PREFIX_64 "u"
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#define B_SCNo64 __HAIKU_PRI_PREFIX_64 "o"
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#define B_SCNx64 __HAIKU_PRI_PREFIX_64 "x"
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/* printf() format strings for some standard types */
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/* size_t */
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#define B_PRIuSIZE __HAIKU_PRI_PREFIX_ADDR "u"
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#define B_PRIoSIZE __HAIKU_PRI_PREFIX_ADDR "o"
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#define B_PRIxSIZE __HAIKU_PRI_PREFIX_ADDR "x"
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#define B_PRIXSIZE __HAIKU_PRI_PREFIX_ADDR "X"
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/* ssize_t */
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#define B_PRIdSSIZE __HAIKU_PRI_PREFIX_ADDR "d"
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#define B_PRIiSSIZE __HAIKU_PRI_PREFIX_ADDR "i"
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/* addr_t */
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#define B_PRIuADDR __HAIKU_PRI_PREFIX_ADDR "u"
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#define B_PRIoADDR __HAIKU_PRI_PREFIX_ADDR "o"
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#define B_PRIxADDR __HAIKU_PRI_PREFIX_ADDR "x"
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#define B_PRIXADDR __HAIKU_PRI_PREFIX_ADDR "X"
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/* off_t */
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#define B_PRIdOFF B_PRId64
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#define B_PRIiOFF B_PRIi64
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/* dev_t */
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#define B_PRIdDEV B_PRId32
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#define B_PRIiDEV B_PRIi32
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/* ino_t */
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#define B_PRIdINO B_PRId64
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#define B_PRIiINO B_PRIi64
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/* time_t */
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#define B_PRIdTIME B_PRId32
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#define B_PRIiTIME B_PRIi32
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/* Empty string ("") */
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#ifdef __cplusplus
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extern const char *B_EMPTY_STRING;
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#endif
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/* min and max comparisons */
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#ifndef __cplusplus
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# ifndef min
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# define min(a,b) ((a)>(b)?(b):(a))
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# endif
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# ifndef max
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# define max(a,b) ((a)>(b)?(a):(b))
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# endif
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#endif
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/* min() and max() are functions in C++ */
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#define min_c(a,b) ((a)>(b)?(b):(a))
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#define max_c(a,b) ((a)>(b)?(a):(b))
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/* Grandfathering */
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#ifndef __cplusplus
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# include <stdbool.h>
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#endif
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#ifndef NULL
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# define NULL (0)
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Atomic functions; previous value is returned */
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extern int32 atomic_set(vint32 *value, int32 newValue);
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extern int32 atomic_test_and_set(vint32 *value, int32 newValue, int32 testAgainst);
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extern int32 atomic_add(vint32 *value, int32 addValue);
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extern int32 atomic_and(vint32 *value, int32 andValue);
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extern int32 atomic_or(vint32 *value, int32 orValue);
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extern int32 atomic_get(vint32 *value);
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extern int64 atomic_set64(vint64 *value, int64 newValue);
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extern int64 atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst);
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extern int64 atomic_add64(vint64 *value, int64 addValue);
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extern int64 atomic_and64(vint64 *value, int64 andValue);
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extern int64 atomic_or64(vint64 *value, int64 orValue);
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extern int64 atomic_get64(vint64 *value);
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/* Other stuff */
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extern void* get_stack_frame(void);
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#ifdef __cplusplus
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}
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#endif
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/* Obsolete or discouraged API */
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/* use 'true' and 'false' */
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#ifndef FALSE
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# define FALSE 0
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#endif
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#ifndef TRUE
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# define TRUE 1
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#endif
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/* Use the built-in atomic functions, if requested and available. */
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#if defined(B_USE_BUILTIN_ATOMIC_FUNCTIONS) && __GNUC__ >= 4
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#define atomic_test_and_set(valuePointer, newValue, testAgainst) \
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__sync_val_compare_and_swap(valuePointer, testAgainst, newValue)
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#define atomic_add(valuePointer, addValue) \
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__sync_fetch_and_add(valuePointer, addValue)
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#define atomic_and(valuePointer, andValue) \
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__sync_fetch_and_and(valuePointer, andValue)
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#define atomic_or(valuePointer, orValue) \
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__sync_fetch_and_or(valuePointer, orValue)
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#define atomic_get(valuePointer) \
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__sync_fetch_and_or(valuePointer, 0)
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// No equivalent to atomic_get(). We simulate it via atomic or. On most
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// (all?) 32+ bit architectures aligned 32 bit reads will be atomic anyway,
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// though.
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// Note: No equivalent for atomic_set(). It could be simulated by a
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// get + atomic test and set loop, but calling the atomic_set() implementation
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// might be faster.
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#endif // B_USE_BUILTIN_ATOMIC_FUNCTIONS && __GNUC__ >= 4
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#endif /* _SUPPORT_DEFS_H */
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