X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Finternals%2F_PDCLIB_config.h;h=047fd94a17d320f1532559d7f54f53f43d63189c;hb=af55dc64b9118345203e7ba7bd262e6444573795;hp=7e66178b96ea124ba029b3651e03dfc8739e976c;hpb=a38d56a6a13dbb89022b5448d2d5247f3f99ea41;p=pdclib.old diff --git a/platform/example/internals/_PDCLIB_config.h b/platform/example/internals/_PDCLIB_config.h index 7e66178..047fd94 100644 --- a/platform/example/internals/_PDCLIB_config.h +++ b/platform/example/internals/_PDCLIB_config.h @@ -27,12 +27,6 @@ /* specific platforms, e.g. by swapping int instead of char. */ #define _PDCLIB_memswp( i, j, size ) char tmp; do { tmp = *i; *i++ = *j; *j++ = tmp; } while ( --size ); -/* Define this to some compiler directive that can be written after the */ -/* parameter list of a function declaration to indicate the function does */ -/* never return. If your compiler does not support such a directive, define */ -/* to nothing. (This is to avoid warnings with the exit functions under GCC.) */ -#define _PDCLIB_NORETURN __attribute__(( noreturn )) - /* The maximum value that errno can be set to. This is used to set the size */ /* of the array in struct lconv () holding error messages for the */ /* strerror() and perror() functions. (If you change this value because you */ @@ -61,7 +55,11 @@ /* compiler manuals. */ #define _PDCLIB_SHRT_BYTES 2 #define _PDCLIB_INT_BYTES 4 -#define _PDCLIB_LONG_BYTES 4 +#if defined(__LP64__) || defined(_LP64) +# define _PDCLIB_LONG_BYTES 8 +#else +# define _PDCLIB_LONG_BYTES 4 +#endif #define _PDCLIB_LLONG_BYTES 8 /* defines the div() function family that allows taking quotient */ @@ -131,8 +129,8 @@ struct _PDCLIB_lldiv_t /* -------------------------------------------------------------------------- */ /* The result type of substracting two pointers */ -#define _PDCLIB_ptrdiff int -#define _PDCLIB_PTRDIFF INT +#define _PDCLIB_ptrdiff long +#define _PDCLIB_PTRDIFF LONG #define _PDCLIB_PTR_CONV /* An integer type that can be accessed as atomic entity (think asynchronous @@ -143,17 +141,18 @@ struct _PDCLIB_lldiv_t #define _PDCLIB_SIG_ATOMIC INT /* Result type of the 'sizeof' operator (must be unsigned) */ -#define _PDCLIB_size unsigned int -#define _PDCLIB_SIZE UINT +#define _PDCLIB_size unsigned long +#define _PDCLIB_SIZE ULONG /* Large enough an integer to hold all character codes of the largest supported locale. */ -#define _PDCLIB_wchar unsigned short -#define _PDCLIB_WCHAR USHRT +#define _PDCLIB_wint signed int +#define _PDCLIB_wchar unsigned int +#define _PDCLIB_WCHAR UINT -#define _PDCLIB_intptr int -#define _PDCLIB_INTPTR INT +#define _PDCLIB_intptr long +#define _PDCLIB_INTPTR LONG /* Largest supported integer type. Implementation note: see _PDCLIB_atomax(). */ #define _PDCLIB_intmax long long int @@ -201,6 +200,19 @@ struct _PDCLIB_imaxdiv_t #define _PDCLIB_clock double #define _PDCLIB_CLOCKS_PER_SEC 1000000 +/* : TIME_UTC + * + * The TIME_UTC parameter is passed to the timespec_get function in order to get + * the system time in UTC since an implementation defined epoch (not necessarily + * the same as that used for time_t). That said, on POSIX the obvious + * implementation of timespec_get for TIME_UTC is to wrap + * clock_gettime(CLOCK_REALTIME, ...), which is defined as time in UTC since the + * same epoch. + * + * This may be any non-zero integer value. + */ +#define _PDCLIB_TIME_UTC 1 + /* -------------------------------------------------------------------------- */ /* Floating Point */ /* -------------------------------------------------------------------------- */ @@ -228,6 +240,22 @@ struct _PDCLIB_imaxdiv_t */ #define _PDCLIB_DECIMAL_DIG 17 +/* Floating point types + * + * PDCLib (at present) assumes IEEE 754 floating point formats + * The following names are used: + * SINGLE: IEEE 754 single precision (32-bit) + * DOUBLE: IEEE 754 double precision (64-bit) + * EXTENDED: IEEE 754 extended precision (80-bit, as x87) + */ +#define _PDCLIB_FLOAT_TYPE SINGLE +#define _PDCLIB_DOUBLE_TYPE DOUBLE +#if defined(__i386__) || defined(__amd64__) + #define _PDCLIB_LDOUBLE_TYPE EXTENDED +#else + #define _PDCLIB_LDOUBLE_TYPE DOUBLE +#endif + /* -------------------------------------------------------------------------- */ /* Platform-dependent macros defined by the standard headers. */ /* -------------------------------------------------------------------------- */ @@ -274,23 +302,24 @@ typedef char * _PDCLIB_va_list; to an appropriate value. (Too small, and malloc() will call the kernel too often. Too large, and you will waste memory.) */ -#define _PDCLIB_PAGESIZE 4096 +#define _PDCLIB_MALLOC_PAGESIZE 4096 +#define _PDCLIB_MALLOC_ALIGN 16 +#define _PDCLIB_MALLOC_GRANULARITY 64*1024 +#define _PDCLIB_MALLOC_TRIM_THRESHOLD 2*1024*1024 +#define _PDCLIB_MALLOC_MMAP_THRESHOLD 256*1024 +#define _PDCLIB_MALLOC_RELEASE_CHECK_RATE 4095 -/* Set this to the minimum memory node size. Any malloc() for a smaller size - will be satisfied by a malloc() of this size instead (to avoid excessive - fragmentation). -*/ -#define _PDCLIB_MINALLOC 8 +/* TODO: Better document these */ -/* I/O ---------------------------------------------------------------------- */ +/* Locale --------------------------------------------------------------------*/ -/* The type of the file descriptor returned by _PDCLIB_open(). */ -typedef int _PDCLIB_fd_t; +/* Locale method. See _PDCLIB_locale.h */ +/* #define _PDCLIB_LOCALE_METHOD _PDCLIB_LOCALE_METHOD_TSS */ -/* The value (of type _PDCLIB_fd_t) returned by _PDCLIB_open() if the operation - failed. -*/ -#define _PDCLIB_NOHANDLE ( (_PDCLIB_fd_t) -1 ) +/* wchar_t encoding */ +#define _PDCLIB_WCHAR_ENCODING _PDCLIB_WCHAR_ENCODING_UCS4 + +/* I/O ---------------------------------------------------------------------- */ /* The default size for file buffers. Must be at least 256. */ #define _PDCLIB_BUFSIZ 1024