54 #include "pg_config.h"
56 #include "pg_config_os.h"
68 #include <sys/types.h>
70 #if defined(WIN32) || defined(__CYGWIN__)
96 #ifdef PG_FORCE_DISABLE_INLINE
115 #ifndef __has_attribute
116 #define __has_attribute(attribute) 0
121 #define pg_attribute_unused() __attribute__((unused))
123 #define pg_attribute_unused()
133 #define pg_nodiscard __attribute__((warn_unused_result))
144 #if __clang_major__ >= 7 || __GNUC__ >= 8
145 #define pg_attribute_no_sanitize_alignment() __attribute__((no_sanitize("alignment")))
147 #define pg_attribute_no_sanitize_alignment()
155 #if __has_attribute (nonnull)
156 #define pg_attribute_nonnull(...) __attribute__((nonnull(__VA_ARGS__)))
158 #define pg_attribute_nonnull(...)
166 #ifdef USE_ASSERT_CHECKING
167 #define PG_USED_FOR_ASSERTS_ONLY
169 #define PG_USED_FOR_ASSERTS_ONLY pg_attribute_unused()
173 #if defined(__GNUC__)
174 #define pg_attribute_format_arg(a) __attribute__((format_arg(a)))
175 #define pg_attribute_printf(f,a) __attribute__((format(PG_PRINTF_ATTRIBUTE, f, a)))
177 #define pg_attribute_format_arg(a)
178 #define pg_attribute_printf(f,a)
182 #if defined(__GNUC__) || defined(__SUNPRO_C)
183 #define pg_attribute_aligned(a) __attribute__((aligned(a)))
184 #define pg_attribute_noreturn() __attribute__((noreturn))
185 #define pg_attribute_packed() __attribute__((packed))
186 #define HAVE_PG_ATTRIBUTE_NORETURN 1
187 #elif defined(_MSC_VER)
196 #define pg_attribute_aligned(a) __declspec(align(a))
197 #define pg_attribute_noreturn()
204 #define pg_attribute_noreturn()
213 #if (defined(__GNUC__) && __GNUC__ > 3 && defined(__OPTIMIZE__)) || defined(__SUNPRO_C)
215 #define pg_attribute_always_inline __attribute__((always_inline)) inline
216 #elif defined(_MSC_VER)
218 #define pg_attribute_always_inline __forceinline
221 #define pg_attribute_always_inline inline
231 #if (defined(__GNUC__) && __GNUC__ > 2) || defined(__SUNPRO_C)
232 #define pg_noinline __attribute__((noinline))
234 #elif defined(_MSC_VER)
235 #define pg_noinline __declspec(noinline)
249 #if defined(__MINGW64__) && __GNUC__ == 8 && __GNUC_MINOR__ == 1
251 #define pg_attribute_cold
252 #define pg_attribute_hot
259 #if __has_attribute (cold)
260 #define pg_attribute_cold __attribute__((cold))
262 #define pg_attribute_cold
265 #if __has_attribute (hot)
266 #define pg_attribute_hot __attribute__((hot))
268 #define pg_attribute_hot
278 #if defined(HAVE__BUILTIN_UNREACHABLE) && !defined(USE_ASSERT_CHECKING)
279 #define pg_unreachable() __builtin_unreachable()
280 #elif defined(_MSC_VER) && !defined(USE_ASSERT_CHECKING)
281 #define pg_unreachable() __assume(0)
283 #define pg_unreachable() abort()
294 #define likely(x) __builtin_expect((x) != 0, 1)
295 #define unlikely(x) __builtin_expect((x) != 0, 0)
297 #define likely(x) ((x) != 0)
298 #define unlikely(x) ((x) != 0)
313 #define CppAsString(identifier) #identifier
314 #define CppAsString2(x) CppAsString(x)
315 #define CppConcat(x, y) x##y
337 #define EXPAND(args) args
338 #define VA_ARGS_NARGS(...) \
339 VA_ARGS_NARGS_ EXPAND((__VA_ARGS__, \
341 59,58,57,56,55,54,53,52,51,50, \
342 49,48,47,46,45,44,43,42,41,40, \
343 39,38,37,36,35,34,33,32,31,30, \
344 29,28,27,26,25,24,23,22,21,20, \
345 19,18,17,16,15,14,13,12,11,10, \
346 9, 8, 7, 6, 5, 4, 3, 2, 1, 0))
349 #define VA_ARGS_NARGS(...) \
350 VA_ARGS_NARGS_(__VA_ARGS__, \
352 59,58,57,56,55,54,53,52,51,50, \
353 49,48,47,46,45,44,43,42,41,40, \
354 39,38,37,36,35,34,33,32,31,30, \
355 29,28,27,26,25,24,23,22,21,20, \
356 19,18,17,16,15,14,13,12,11,10, \
357 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
360 #define VA_ARGS_NARGS_( \
361 _01,_02,_03,_04,_05,_06,_07,_08,_09,_10, \
362 _11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
363 _21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
364 _31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
365 _41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
366 _51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
367 _61,_62,_63, N, ...) \
385 #define FLEXIBLE_ARRAY_MEMBER
412 #define HAVE_PRAGMA_GCC_SYSTEM_HEADER 1
438 #ifdef PG_USE_STDBOOL
447 #define true ((bool) 1)
451 #define false ((bool) 0)
507 #ifdef HAVE_LONG_INT_64
511 typedef long int int64;
514 typedef unsigned long int uint64;
516 #define INT64CONST(x) (x##L)
517 #define UINT64CONST(x) (x##UL)
518 #elif defined(HAVE_LONG_LONG_INT_64)
522 typedef long long int int64;
525 typedef unsigned long long int uint64;
527 #define INT64CONST(x) (x##LL)
528 #define UINT64CONST(x) (x##ULL)
531 #error must have a working 64-bit integer datatype
535 #define INT64_FORMAT "%" INT64_MODIFIER "d"
536 #define UINT64_FORMAT "%" INT64_MODIFIER "u"
546 #if defined(PG_INT128_TYPE)
547 #if defined(pg_attribute_aligned) || ALIGNOF_PG_INT128_TYPE <= MAXIMUM_ALIGNOF
548 #define HAVE_INT128 1
550 typedef PG_INT128_TYPE int128
551 #if defined(pg_attribute_aligned)
552 pg_attribute_aligned(MAXIMUM_ALIGNOF)
556 typedef unsigned PG_INT128_TYPE uint128
557 #if defined(pg_attribute_aligned)
558 pg_attribute_aligned(MAXIMUM_ALIGNOF)
569 #define PG_INT8_MIN (-0x7F-1)
570 #define PG_INT8_MAX (0x7F)
571 #define PG_UINT8_MAX (0xFF)
572 #define PG_INT16_MIN (-0x7FFF-1)
573 #define PG_INT16_MAX (0x7FFF)
574 #define PG_UINT16_MAX (0xFFFF)
575 #define PG_INT32_MIN (-0x7FFFFFFF-1)
576 #define PG_INT32_MAX (0x7FFFFFFF)
577 #define PG_UINT32_MAX (0xFFFFFFFFU)
578 #define PG_INT64_MIN (-INT64CONST(0x7FFFFFFFFFFFFFFF) - 1)
579 #define PG_INT64_MAX INT64CONST(0x7FFFFFFFFFFFFFFF)
580 #define PG_UINT64_MAX UINT64CONST(0xFFFFFFFFFFFFFFFF)
586 #define HAVE_INT64_TIMESTAMP
619 #ifdef USE_FLOAT8_BYVAL
620 #define FLOAT8PASSBYVAL true
622 #define FLOAT8PASSBYVAL false
645 #define InvalidSubTransactionId ((SubTransactionId) 0)
646 #define TopSubTransactionId ((SubTransactionId) 1)
655 #define FirstCommandId ((CommandId) 0)
656 #define InvalidCommandId (~(CommandId)0)
679 #define VARHDRSZ ((int32) sizeof(int32))
733 #define NameStr(name) ((name).data)
744 #define BoolIsValid(boolean) ((boolean) == false || (boolean) == true)
750 #define PointerIsValid(pointer) ((const void*)(pointer) != NULL)
756 #define PointerIsAligned(pointer, type) \
757 (((uintptr_t)(pointer) % (sizeof (type))) == 0)
759 #define OffsetToPointer(base, offset) \
760 ((void *)((char *) base + offset))
762 #define OidIsValid(objectId) ((bool) ((objectId) != InvalidOid))
764 #define RegProcedureIsValid(p) OidIsValid(p)
775 #define lengthof(array) (sizeof (array) / sizeof ((array)[0]))
791 #define TYPEALIGN(ALIGNVAL,LEN) \
792 (((uintptr_t) (LEN) + ((ALIGNVAL) - 1)) & ~((uintptr_t) ((ALIGNVAL) - 1)))
794 #define SHORTALIGN(LEN) TYPEALIGN(ALIGNOF_SHORT, (LEN))
795 #define INTALIGN(LEN) TYPEALIGN(ALIGNOF_INT, (LEN))
796 #define LONGALIGN(LEN) TYPEALIGN(ALIGNOF_LONG, (LEN))
797 #define DOUBLEALIGN(LEN) TYPEALIGN(ALIGNOF_DOUBLE, (LEN))
798 #define MAXALIGN(LEN) TYPEALIGN(MAXIMUM_ALIGNOF, (LEN))
800 #define BUFFERALIGN(LEN) TYPEALIGN(ALIGNOF_BUFFER, (LEN))
801 #define CACHELINEALIGN(LEN) TYPEALIGN(PG_CACHE_LINE_SIZE, (LEN))
803 #define TYPEALIGN_DOWN(ALIGNVAL,LEN) \
804 (((uintptr_t) (LEN)) & ~((uintptr_t) ((ALIGNVAL) - 1)))
806 #define SHORTALIGN_DOWN(LEN) TYPEALIGN_DOWN(ALIGNOF_SHORT, (LEN))
807 #define INTALIGN_DOWN(LEN) TYPEALIGN_DOWN(ALIGNOF_INT, (LEN))
808 #define LONGALIGN_DOWN(LEN) TYPEALIGN_DOWN(ALIGNOF_LONG, (LEN))
809 #define DOUBLEALIGN_DOWN(LEN) TYPEALIGN_DOWN(ALIGNOF_DOUBLE, (LEN))
810 #define MAXALIGN_DOWN(LEN) TYPEALIGN_DOWN(MAXIMUM_ALIGNOF, (LEN))
811 #define BUFFERALIGN_DOWN(LEN) TYPEALIGN_DOWN(ALIGNOF_BUFFER, (LEN))
819 #define TYPEALIGN64(ALIGNVAL,LEN) \
820 (((uint64) (LEN) + ((ALIGNVAL) - 1)) & ~((uint64) ((ALIGNVAL) - 1)))
823 #define MAXALIGN64(LEN) TYPEALIGN64(MAXIMUM_ALIGNOF, (LEN))
843 #ifndef USE_ASSERT_CHECKING
845 #define Assert(condition) ((void)true)
846 #define AssertMacro(condition) ((void)true)
848 #elif defined(FRONTEND)
851 #define Assert(p) assert(p)
852 #define AssertMacro(p) ((void) assert(p))
860 #define Assert(condition) \
863 ExceptionalCondition(#condition, __FILE__, __LINE__); \
872 #define AssertMacro(condition) \
873 ((void) ((condition) || \
874 (ExceptionalCondition(#condition, __FILE__, __LINE__), 0)))
881 #define AssertPointerAlignment(ptr, bndr) \
882 Assert(TYPEALIGN(bndr, (uintptr_t)(ptr)) == (uintptr_t)(ptr))
915 #ifdef HAVE__STATIC_ASSERT
916 #define StaticAssertDecl(condition, errmessage) \
917 _Static_assert(condition, errmessage)
918 #define StaticAssertStmt(condition, errmessage) \
919 do { _Static_assert(condition, errmessage); } while(0)
920 #define StaticAssertExpr(condition, errmessage) \
921 ((void) ({ StaticAssertStmt(condition, errmessage); true; }))
923 #define StaticAssertDecl(condition, errmessage) \
924 extern void static_assert_func(int static_assert_failure[(condition) ? 1 : -1])
925 #define StaticAssertStmt(condition, errmessage) \
926 ((void) sizeof(struct { int static_assert_failure : (condition) ? 1 : -1; }))
927 #define StaticAssertExpr(condition, errmessage) \
928 StaticAssertStmt(condition, errmessage)
931 #if defined(__cpp_static_assert) && __cpp_static_assert >= 200410
932 #define StaticAssertDecl(condition, errmessage) \
933 static_assert(condition, errmessage)
934 #define StaticAssertStmt(condition, errmessage) \
935 static_assert(condition, errmessage)
936 #define StaticAssertExpr(condition, errmessage) \
937 ({ static_assert(condition, errmessage); })
939 #define StaticAssertDecl(condition, errmessage) \
940 extern void static_assert_func(int static_assert_failure[(condition) ? 1 : -1])
941 #define StaticAssertStmt(condition, errmessage) \
942 do { struct static_assert_struct { int static_assert_failure : (condition) ? 1 : -1; }; } while(0)
943 #define StaticAssertExpr(condition, errmessage) \
944 ((void) ({ StaticAssertStmt(condition, errmessage); }))
960 #ifdef HAVE__BUILTIN_TYPES_COMPATIBLE_P
961 #define AssertVariableIsOfType(varname, typename) \
962 StaticAssertStmt(__builtin_types_compatible_p(__typeof__(varname), typename), \
963 CppAsString(varname) " does not have type " CppAsString(typename))
964 #define AssertVariableIsOfTypeMacro(varname, typename) \
965 (StaticAssertExpr(__builtin_types_compatible_p(__typeof__(varname), typename), \
966 CppAsString(varname) " does not have type " CppAsString(typename)))
968 #define AssertVariableIsOfType(varname, typename) \
969 StaticAssertStmt(sizeof(varname) == sizeof(typename), \
970 CppAsString(varname) " does not have type " CppAsString(typename))
971 #define AssertVariableIsOfTypeMacro(varname, typename) \
972 (StaticAssertExpr(sizeof(varname) == sizeof(typename), \
973 CppAsString(varname) " does not have type " CppAsString(typename)))
985 #define Max(x, y) ((x) > (y) ? (x) : (y))
991 #define Min(x, y) ((x) < (y) ? (x) : (y))
995 #define LONG_ALIGN_MASK (sizeof(long) - 1)
1007 #define MemSet(start, val, len) \
1011 void *_vstart = (void *) (start); \
1013 Size _len = (len); \
1015 if ((((uintptr_t) _vstart) & LONG_ALIGN_MASK) == 0 && \
1016 (_len & LONG_ALIGN_MASK) == 0 && \
1018 _len <= MEMSET_LOOP_LIMIT && \
1023 MEMSET_LOOP_LIMIT != 0) \
1025 long *_start = (long *) _vstart; \
1026 long *_stop = (long *) ((char *) _start + _len); \
1027 while (_start < _stop) \
1031 memset(_vstart, _val, _len); \
1040 #define MemSetAligned(start, val, len) \
1043 long *_start = (long *) (start); \
1045 Size _len = (len); \
1047 if ((_len & LONG_ALIGN_MASK) == 0 && \
1049 _len <= MEMSET_LOOP_LIMIT && \
1050 MEMSET_LOOP_LIMIT != 0) \
1052 long *_stop = (long *) ((char *) _start + _len); \
1053 while (_start < _stop) \
1057 memset(_start, _val, _len); \
1072 #define FLOAT4_FITS_IN_INT16(num) \
1073 ((num) >= (float4) PG_INT16_MIN && (num) < -((float4) PG_INT16_MIN))
1074 #define FLOAT4_FITS_IN_INT32(num) \
1075 ((num) >= (float4) PG_INT32_MIN && (num) < -((float4) PG_INT32_MIN))
1076 #define FLOAT4_FITS_IN_INT64(num) \
1077 ((num) >= (float4) PG_INT64_MIN && (num) < -((float4) PG_INT64_MIN))
1078 #define FLOAT8_FITS_IN_INT16(num) \
1079 ((num) >= (float8) PG_INT16_MIN && (num) < -((float8) PG_INT16_MIN))
1080 #define FLOAT8_FITS_IN_INT32(num) \
1081 ((num) >= (float8) PG_INT32_MIN && (num) < -((float8) PG_INT32_MIN))
1082 #define FLOAT8_FITS_IN_INT64(num) \
1083 ((num) >= (float8) PG_INT64_MIN && (num) < -((float8) PG_INT64_MIN))
1096 #define INVERT_COMPARE_RESULT(var) \
1097 ((var) = ((var) < 0) ? 1 : -(var))
1124 #ifdef pg_attribute_aligned
1135 #ifdef pg_attribute_aligned
1144 #define HIGHBIT (0x80)
1145 #define IS_HIGHBIT_SET(ch) ((unsigned char)(ch) & HIGHBIT)
1153 #define SQL_STR_DOUBLE(ch, escape_backslash) \
1154 ((ch) == '\'' || ((ch) == '\\' && (escape_backslash)))
1156 #define ESCAPE_STRING_SYNTAX 'E'
1159 #define STATUS_OK (0)
1160 #define STATUS_ERROR (-1)
1161 #define STATUS_EOF (-2)
1169 #define gettext(x) (x)
1170 #define dgettext(d,x) (x)
1171 #define ngettext(s,p,n) ((n) == 1 ? (s) : (p))
1172 #define dngettext(d,s,p,n) ((n) == 1 ? (s) : (p))
1175 #define _(x) gettext(x)
1186 #define gettext_noop(x) (x)
1201 #ifdef SO_MAJOR_VERSION
1202 #define PG_TEXTDOMAIN(domain) (domain CppAsString2(SO_MAJOR_VERSION) "-" PG_MAJORVERSION)
1204 #define PG_TEXTDOMAIN(domain) (domain "-" PG_MAJORVERSION)
1222 #if defined(__cplusplus)
1223 #define unconstify(underlying_type, expr) const_cast<underlying_type>(expr)
1224 #define unvolatize(underlying_type, expr) const_cast<underlying_type>(expr)
1225 #elif defined(HAVE__BUILTIN_TYPES_COMPATIBLE_P)
1226 #define unconstify(underlying_type, expr) \
1227 (StaticAssertExpr(__builtin_types_compatible_p(__typeof(expr), const underlying_type), \
1229 (underlying_type) (expr))
1230 #define unvolatize(underlying_type, expr) \
1231 (StaticAssertExpr(__builtin_types_compatible_p(__typeof(expr), volatile underlying_type), \
1233 (underlying_type) (expr))
1235 #define unconstify(underlying_type, expr) \
1236 ((underlying_type) (expr))
1237 #define unvolatize(underlying_type, expr) \
1238 ((underlying_type) (expr))
1257 #if defined(WIN32) || defined(__CYGWIN__)
1258 #define PG_BINARY O_BINARY
1259 #define PG_BINARY_A "ab"
1260 #define PG_BINARY_R "rb"
1261 #define PG_BINARY_W "wb"
1264 #define PG_BINARY_A "a"
1265 #define PG_BINARY_R "r"
1266 #define PG_BINARY_W "w"
1274 #if !HAVE_DECL_FDATASYNC
1283 #ifdef HAVE_LONG_INT_64
1284 #define strtoi64(str, endptr, base) ((int64) strtol(str, endptr, base))
1285 #define strtou64(str, endptr, base) ((uint64) strtoul(str, endptr, base))
1287 #define strtoi64(str, endptr, base) ((int64) strtoll(str, endptr, base))
1288 #define strtou64(str, endptr, base) ((uint64) strtoull(str, endptr, base))
1294 #ifdef HAVE_LONG_INT_64
1295 #define i64abs(i) labs(i)
1297 #define i64abs(i) llabs(i)
1318 #ifdef HAVE_VISIBILITY_ATTRIBUTE
1319 #define PGDLLEXPORT __attribute__((visibility("default")))
1335 #define SIGNAL_ARGS int postgres_signal_arg
1346 typedef intptr_t sigjmp_buf[5];
1347 #define sigsetjmp(x,y) __builtin_setjmp(x)
1348 #define siglongjmp __builtin_longjmp
1350 #define sigjmp_buf jmp_buf
1351 #define sigsetjmp(x,y) setjmp(x)
1352 #define siglongjmp longjmp
static Datum values[MAXATTR]
union PGAlignedBlock PGAlignedBlock
union PGAlignedXLogBlock PGAlignedXLogBlock
#define pg_attribute_noreturn()
TransactionId MultiXactId
#define FLEXIBLE_ARRAY_MEMBER
uint32 LocalTransactionId
union PGIOAlignedBlock PGIOAlignedBlock
int fdatasync(int fildes)
void ExceptionalCondition(const char *conditionName, const char *fileName, int lineNumber) pg_attribute_noreturn()
void(* pg_funcptr_t)(void)
char vl_dat[FLEXIBLE_ARRAY_MEMBER]