X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl.h;h=8f1cad367ef8c6e388023f7a70766b846fe63125;hb=40b7a5f5e789eb31046d021a15e48b502ad8e1e9;hp=cccf7284396c8f6f529ef0e69b5dd1fe9cad45c6;hpb=28e5dec85047e189010079efa89eed07bc9eddc8;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perl.h b/perl.h index cccf728..8f1cad3 100644 --- a/perl.h +++ b/perl.h @@ -1,6 +1,6 @@ /* perl.h * - * Copyright (c) 1987-2000, Larry Wall + * Copyright (c) 1987-2001, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -11,9 +11,9 @@ #ifdef PERL_FOR_X2P /* - * This file is being used for x2p stuff. + * This file is being used for x2p stuff. * Above symbol is defined via -D in 'x2p/Makefile.SH' - * Decouple x2p stuff from some of perls more extreme eccentricities. + * Decouple x2p stuff from some of perls more extreme eccentricities. */ #undef MULTIPLICITY #undef USE_STDIO @@ -21,7 +21,7 @@ #endif /* PERL_FOR_X2P */ #define VOIDUSED 1 -#ifdef PERL_MICRO +#ifdef PERL_MICRO # include "uconfig.h" #else # include "config.h" @@ -225,8 +225,20 @@ struct perl_thread; # define CALLPROTECT CALL_FPTR(PL_protect) #endif +#ifdef HASATTRIBUTE +# define PERL_UNUSED_DECL __attribute__((unused)) +#else +# define PERL_UNUSED_DECL +#endif + +/* gcc -Wall: + * for silencing unused variables that are actually used most of the time, + * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs + */ +#define PERL_UNUSED_VAR(var) if (0) var = var + #define NOOP (void)0 -#define dNOOP extern int Perl___notused +#define dNOOP extern int Perl___notused PERL_UNUSED_DECL #ifndef pTHX # define pTHX void @@ -258,6 +270,15 @@ struct perl_thread; # define dTHXx dTHX #endif +/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation) + * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...). + * dTHXs is therefore needed for all functions using PerlIO_foo(). */ +#ifdef PERL_IMPLICIT_SYS +# define dTHXs dTHX +#else +# define dTHXs dNOOP +#endif + #undef START_EXTERN_C #undef END_EXTERN_C #undef EXTERN_C @@ -266,8 +287,8 @@ struct perl_thread; # define END_EXTERN_C } # define EXTERN_C extern "C" #else -# define START_EXTERN_C -# define END_EXTERN_C +# define START_EXTERN_C +# define END_EXTERN_C # define EXTERN_C extern #endif @@ -339,15 +360,15 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); */ /* define this once if either system, instead of cluttering up the src */ -#if defined(MSDOS) || defined(atarist) || defined(WIN32) +#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE) #define DOSISH 1 #endif -#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) +#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) # define STANDARD_C 1 #endif -#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) +#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) # define DONT_DECLARE_STD 1 #endif @@ -367,7 +388,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); #define TAINT_ENV() if (PL_tainting) { taint_env(); } #define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); } -/* XXX All process group stuff is handled in pp_sys.c. Should these +/* XXX All process group stuff is handled in pp_sys.c. Should these defines move there? If so, I could simplify this a lot. --AD 9/96. */ /* Process group stuff changed from traditional BSD to POSIX. @@ -407,7 +428,7 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); # define HAS_GETPGRP /* Well, effectively it does . . . */ #endif -/* These are not exact synonyms, since setpgrp() and getpgrp() may +/* These are not exact synonyms, since setpgrp() and getpgrp() may have different behaviors, but perl.h used to define USE_BSDPGRP (prior to 5.003_05) so some extension might depend on it. */ @@ -506,6 +527,14 @@ register struct op *Perl_op asm(stringify(OP_IN_REGISTER)); # include #endif +#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) +int syscall(int, ...); +#endif + +#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) +int usleep(unsigned int); +#endif + #ifdef PERL_MICRO /* Last chance to export Perl_my_swap */ # define MYSWAP #endif @@ -718,6 +747,11 @@ typedef struct perl_mstats perl_mstats_t; # define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */ #endif +/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */ +#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) +# define _SOCKADDR_LEN +#endif + #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */ # include # if defined(USE_SOCKS) && defined(I_SOCKS) @@ -741,8 +775,11 @@ typedef struct perl_mstats perl_mstats_t; # undef INCLUDE_PROTOTYPES # undef PERL_SOCKS_NEED_PROTOTYPES # endif -# endif +# endif # ifdef I_NETDB +# ifdef NETWARE +# include +# endif # include # endif # ifndef ENOTSOCK @@ -752,6 +789,12 @@ typedef struct perl_mstats perl_mstats_t; # endif #endif +/* sockatmark() is so new (2001) that many places might have it hidden + * behind some -D_BLAH_BLAH_SOURCE guard. */ +#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO) +int sockatmark(int); +#endif + #ifdef SETERRNO # undef SETERRNO /* SOCKS might have defined this */ #endif @@ -989,15 +1032,15 @@ typedef struct perl_mstats perl_mstats_t; #ifndef S_IRWXU # define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) -#endif +#endif #ifndef S_IRWXG # define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP) -#endif +#endif #ifndef S_IRWXO # define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH) -#endif +#endif #ifndef S_IREAD # define S_IREAD S_IRUSR @@ -1023,6 +1066,13 @@ typedef struct perl_mstats perl_mstats_t; #undef UV #endif +/* Configure gets this right but the UTS compiler gets it wrong. + -- Hal Morris */ +#ifdef UTS +# undef UVTYPE +# define UVTYPE unsigned +#endif + /* The IV type is supposed to be long enough to hold any integral value or a pointer. @@ -1081,15 +1131,19 @@ typedef UVTYPE UV; # endif #endif +#if defined(uts) || defined(UTS) +# undef UV_MAX +# define UV_MAX (4294967295u) +#endif + #define IV_DIG (BIT_DIGITS(IVSIZE * 8)) #define UV_DIG (BIT_DIGITS(UVSIZE * 8)) -/* We like our integers to stay integers. */ #ifndef NO_PERL_PRESERVE_IVUV -#define PERL_PRESERVE_IVUV +#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */ #endif -/* +/* * The macros INT2PTR and NUM2PTR are (despite their names) * bi-directional: they will convert int/float to or from pointers. * However the conversion to int/float are named explicitly: @@ -1103,7 +1157,7 @@ typedef UVTYPE UV; # define PTRV UV # define INT2PTR(any,d) (any)(d) #else -# if PTRSIZE == LONGSIZE +# if PTRSIZE == LONGSIZE # define PTRV unsigned long # else # define PTRV unsigned @@ -1114,12 +1168,12 @@ typedef UVTYPE UV; #define PTR2IV(p) INT2PTR(IV,p) #define PTR2UV(p) INT2PTR(UV,p) #define PTR2NV(p) NUM2PTR(NV,p) -#if PTRSIZE == LONGSIZE +#if PTRSIZE == LONGSIZE # define PTR2ul(p) (unsigned long)(p) #else # define PTR2ul(p) INT2PTR(unsigned long,p) #endif - + #ifdef USE_LONG_DOUBLE # if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE # define LONG_DOUBLE_EQUALS_DOUBLE @@ -1281,26 +1335,10 @@ typedef NVTYPE NV; # endif #endif -#if !defined(Perl_atof) && defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) -# if !defined(Perl_atof) && defined(HAS_STRTOLD) -# define Perl_atof(s) (NV)strtold(s, (char**)NULL) -# endif -# if !defined(Perl_atof) && defined(HAS_ATOLF) -# define Perl_atof (NV)atolf -# endif -# if !defined(Perl_atof) && defined(PERL_SCNfldbl) -# define Perl_atof PERL_SCNfldbl -# define Perl_atof2(s,f) sscanf((s), "%"PERL_SCNfldbl, &(f)) -# endif -#endif -#if !defined(Perl_atof) -# define Perl_atof atof /* we assume atof being available anywhere */ -#endif -#if !defined(Perl_atof2) -# define Perl_atof2(s,f) ((f) = (NV)Perl_atof(s)) -#endif +#define Perl_atof(s) Perl_my_atof(s) +#define Perl_atof2(s, np) Perl_my_atof2(s, np) -/* Previously these definitions used hardcoded figures. +/* Previously these definitions used hardcoded figures. * It is hoped these formula are more portable, although * no data one way or another is presently known to me. * The "PERL_" names are used because these calculated constants @@ -1351,7 +1389,7 @@ typedef NVTYPE NV; # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0) # endif #endif - + /* * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be * ambiguous. It may be equivalent to (signed char) or (unsigned char) @@ -1558,7 +1596,7 @@ typedef struct ptr_tbl PTR_TBL_t; # define FSEEKSIZE LSEEKSIZE # else # define FSEEKSIZE LONGSIZE -# endif +# endif #endif #if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO) @@ -1693,6 +1731,29 @@ typedef struct ptr_tbl PTR_TBL_t; # define USE_ENVIRON_ARRAY #endif +#ifdef JPL + /* E.g. JPL needs to operate on a copy of the real environment. + * JDK 1.2 and 1.3 seem to get upset if the original environment + * is diddled with. */ +# define NEED_ENVIRON_DUP_FOR_MODIFY +#endif + +/* + * initialise to avoid floating-point exceptions from overflow, etc + */ +#ifndef PERL_FPU_INIT +# ifdef HAS_FPSETMASK +# if HAS_FLOATINGPOINT_H +# include +# endif +# define PERL_FPU_INIT fpsetmask(0); +# elif PERL_IGNORE_FPUSIG +# define PERL_FPU_INIT signal(PERL_IGNORE_FPUSIG, SIG_IGN); +# else +# define PERL_FPU_INIT +# endif +#endif + #ifndef PERL_SYS_INIT3 # define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp) #endif @@ -1719,7 +1780,7 @@ typedef struct ptr_tbl PTR_TBL_t; # endif #endif -/* +/* * USE_THREADS needs to be after unixish.h as includes * which defines NSIG - which will stop inclusion of * this results in many functions being undeclared which bothers C++ @@ -1732,6 +1793,9 @@ typedef struct ptr_tbl PTR_TBL_t; * atomic.h everywhere */ # define EMULATE_ATOMIC_REFCOUNTS # endif +# ifdef NETWARE +# include +# else # ifdef FAKE_THREADS # include "fakethr.h" # else @@ -1762,12 +1826,17 @@ typedef pthread_key_t perl_key; # endif /* OS2 */ # endif /* WIN32 */ # endif /* FAKE_THREADS */ +#endif /* NETWARE */ #endif /* USE_THREADS || USE_ITHREADS */ #ifdef WIN32 # include "win32.h" #endif +#ifdef NETWARE +# include "netware.h" +#endif + #ifdef VMS # define STATUS_NATIVE PL_statusvalue_vms # define STATUS_NATIVE_EXPORT \ @@ -1831,10 +1900,12 @@ typedef pthread_key_t perl_key; #endif /* This defines a way to flush all output buffers. This may be a - * performance issue, so we allow people to disable it. + * performance issue, so we allow people to disable it. Also, if + * we are using stdio, there are broken implementations of fflush(NULL) + * out there, Solaris being the most prominent. */ #ifndef PERL_FLUSHALL_FOR_CHILD -# if defined(FFLUSH_NULL) || defined(USE_SFIO) +# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO) # define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL) # else # ifdef FFLUSH_ALL @@ -1878,7 +1949,7 @@ typedef pthread_key_t perl_key; # define SVf "p" # else # define SVf "_" -# endif +# endif #endif #ifndef UVf @@ -1886,7 +1957,7 @@ typedef pthread_key_t perl_key; # define UVf UVuf # else # define UVf "Vu" -# endif +# endif #endif #ifndef VDf @@ -1894,7 +1965,7 @@ typedef pthread_key_t perl_key; # define VDf "p" # else # define VDf "vd" -# endif +# endif #endif /* Some unistd.h's give a prototype for pause() even though @@ -2073,25 +2144,52 @@ struct ptr_tbl { /* otherwise default to functions in util.c */ #endif -#ifdef CASTNEGFLOAT -#define U_S(what) ((U16)(what)) -#define U_I(what) ((unsigned int)(what)) -#define U_L(what) ((U32)(what)) -#else -#define U_S(what) ((U16)cast_ulong((NV)(what))) -#define U_I(what) ((unsigned int)cast_ulong((NV)(what))) -#define U_L(what) (cast_ulong((NV)(what))) -#endif +/* *MAX Plus 1. A floating point value. + Hopefully expressed in a way that dodgy floating point can't mess up. + >> 2 rather than 1, so that value is safely less than I32_MAX after 1 + is added to it + May find that some broken compiler will want the value cast to I32. + [after the shift, as signed >> may not be as secure as unsigned >>] +*/ +#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1))) +#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2))) +/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or + 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV) + may be greater than sizeof(IV), so don't assume that half max UV is max IV. +*/ +#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2))) -#ifdef CASTI32 -#define I_32(what) ((I32)(what)) -#define I_V(what) ((IV)(what)) -#define U_V(what) ((UV)(what)) -#else +#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2))) +#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1))) +#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2))) + +/* This may look like unnecessary jumping through hoops, but converting + out of range floating point values to integers *is* undefined behaviour, + and it is starting to bite. +*/ +#ifndef CAST_INLINE #define I_32(what) (cast_i32((NV)(what))) +#define U_32(what) (cast_ulong((NV)(what))) #define I_V(what) (cast_iv((NV)(what))) #define U_V(what) (cast_uv((NV)(what))) -#endif +#else +#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \ + : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \ + : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */))) +#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \ + : ((n) < U32_MAX_P1 ? (U32) (n) \ + : ((n) > 0 ? U32_MAX : 0 /* NaN */))) +#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \ + : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \ + : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */))) +#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \ + : ((n) < UV_MAX_P1 ? (UV) (n) \ + : ((n) > 0 ? UV_MAX : 0 /* NaN */))) +#endif + +#define U_S(what) ((U16)U_32(what)) +#define U_I(what) ((unsigned int)U_32(what)) +#define U_L(what) U_32(what) /* These do not care about the fractional part, only about the range. */ #define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX) @@ -2125,62 +2223,193 @@ Gid_t getegid (void); : PerlIO_stderr()) #endif + +#define DEBUG_p_FLAG 0x00000001 /* 1 */ +#define DEBUG_s_FLAG 0x00000002 /* 2 */ +#define DEBUG_l_FLAG 0x00000004 /* 4 */ +#define DEBUG_t_FLAG 0x00000008 /* 8 */ +#define DEBUG_o_FLAG 0x00000010 /* 16 */ +#define DEBUG_c_FLAG 0x00000020 /* 32 */ +#define DEBUG_P_FLAG 0x00000040 /* 64 */ +#define DEBUG_m_FLAG 0x00000080 /* 128 */ +#define DEBUG_f_FLAG 0x00000100 /* 256 */ +#define DEBUG_r_FLAG 0x00000200 /* 512 */ +#define DEBUG_x_FLAG 0x00000400 /* 1024 */ +#define DEBUG_u_FLAG 0x00000800 /* 2048 */ +#define DEBUG_L_FLAG 0x00001000 /* 4096 */ +#define DEBUG_H_FLAG 0x00002000 /* 8192 */ +#define DEBUG_X_FLAG 0x00004000 /* 16384 */ +#define DEBUG_D_FLAG 0x00008000 /* 32768 */ +#define DEBUG_S_FLAG 0x00010000 /* 65536 */ +#define DEBUG_T_FLAG 0x00020000 /* 131072 */ +#define DEBUG_R_FLAG 0x00040000 /* 262144 */ +#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */ + +#define DEBUG_DB_RECURSE_FLAG 0x40000000 +#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */ + + #ifdef DEBUGGING -#undef YYDEBUG -#define YYDEBUG 1 -#define DEB(a) a -#define DEBUG(a) if (PL_debug) a -#define DEBUG_p(a) if (PL_debug & 1) a -#define DEBUG_s(a) if (PL_debug & 2) a -#define DEBUG_l(a) if (PL_debug & 4) a -#define DEBUG_t(a) if (PL_debug & 8) a -#define DEBUG_o(a) if (PL_debug & 16) a -#define DEBUG_c(a) if (PL_debug & 32) a -#define DEBUG_P(a) if (PL_debug & 64) a + +# undef YYDEBUG +# define YYDEBUG 1 + +# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG) +# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG) +# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG) +# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG) +# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG) +# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG) +# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG) +# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG) +# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG) +# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG) +# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG) +# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG) +# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG) +# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG) +# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG) +# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG) +# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG) +# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG) +# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG) + +# define DEB(a) a +# define DEBUG(a) if (PL_debug) a +# define DEBUG_p(a) if (DEBUG_p_TEST) a +# define DEBUG_s(a) if (DEBUG_s_TEST) a +# define DEBUG_l(a) if (DEBUG_l_TEST) a +# define DEBUG_t(a) if (DEBUG_t_TEST) a +# define DEBUG_o(a) if (DEBUG_o_TEST) a +# define DEBUG_c(a) if (DEBUG_c_TEST) a +# define DEBUG_P(a) if (DEBUG_P_TEST) a + # if defined(PERL_OBJECT) -# define DEBUG_m(a) if (PL_debug & 128) a +# define DEBUG_m(a) if (DEBUG_m_TEST) a # else + /* Temporarily turn off memory debugging in case the a + * does memory allocation, either directly or indirectly. */ # define DEBUG_m(a) \ STMT_START { \ - if (PERL_GET_INTERP) { dTHX; if (PL_debug & 128) { a; } } \ + if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \ } STMT_END # endif -#define DEBUG_f(a) if (PL_debug & 256) a -#define DEBUG_r(a) if (PL_debug & 512) a -#define DEBUG_x(a) if (PL_debug & 1024) a -#define DEBUG_u(a) if (PL_debug & 2048) a -#define DEBUG_L(a) if (PL_debug & 4096) a -#define DEBUG_H(a) if (PL_debug & 8192) a -#define DEBUG_X(a) if (PL_debug & 16384) a -#define DEBUG_D(a) if (PL_debug & 32768) a + +# define DEBUG__(t, a) \ + STMT_START { \ + if (t) STMT_START {a;} STMT_END; \ + } STMT_END + +# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a) +# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a) +# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a) +# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a) +# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a) +# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a) +# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a) +# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a) + # ifdef USE_THREADS -# define DEBUG_S(a) if (PL_debug & (1<<16)) a +# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a) # else # define DEBUG_S(a) # endif -#define DEBUG_T(a) if (PL_debug & (1<<17)) a -#else -#define DEB(a) -#define DEBUG(a) -#define DEBUG_p(a) -#define DEBUG_s(a) -#define DEBUG_l(a) -#define DEBUG_t(a) -#define DEBUG_o(a) -#define DEBUG_c(a) -#define DEBUG_P(a) -#define DEBUG_m(a) -#define DEBUG_f(a) -#define DEBUG_r(a) -#define DEBUG_x(a) -#define DEBUG_u(a) -#define DEBUG_S(a) -#define DEBUG_H(a) -#define DEBUG_X(a) -#define DEBUG_D(a) -#define DEBUG_S(a) -#define DEBUG_T(a) -#endif + +# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a) +# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a) + +#else /* DEBUGGING */ + +# define DEBUG_p_TEST (0) +# define DEBUG_s_TEST (0) +# define DEBUG_l_TEST (0) +# define DEBUG_t_TEST (0) +# define DEBUG_o_TEST (0) +# define DEBUG_c_TEST (0) +# define DEBUG_P_TEST (0) +# define DEBUG_m_TEST (0) +# define DEBUG_f_TEST (0) +# define DEBUG_r_TEST (0) +# define DEBUG_x_TEST (0) +# define DEBUG_u_TEST (0) +# define DEBUG_L_TEST (0) +# define DEBUG_H_TEST (0) +# define DEBUG_X_TEST (0) +# define DEBUG_D_TEST (0) +# define DEBUG_S_TEST (0) +# define DEBUG_T_TEST (0) +# define DEBUG_R_TEST (0) + +# define DEB(a) +# define DEBUG(a) +# define DEBUG_p(a) +# define DEBUG_s(a) +# define DEBUG_l(a) +# define DEBUG_t(a) +# define DEBUG_o(a) +# define DEBUG_c(a) +# define DEBUG_P(a) +# define DEBUG_m(a) +# define DEBUG_f(a) +# define DEBUG_r(a) +# define DEBUG_x(a) +# define DEBUG_u(a) +# define DEBUG_L(a) +# define DEBUG_H(a) +# define DEBUG_X(a) +# define DEBUG_D(a) +# define DEBUG_S(a) +# define DEBUG_T(a) +# define DEBUG_R(a) +#endif /* DEBUGGING */ + + +/* These constants should be used in preference to to raw characters + * when using magic. Note that some perl guts still assume + * certain character properties of these constants, namely that + * isUPPER() and toLOWER() may do useful mappings. + * + * Update the magic_names table in dump.c when adding/amending these + */ + +#define PERL_MAGIC_sv '\0' /* Special scalar variable */ +#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */ +#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */ +#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */ +#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */ +#define PERL_MAGIC_regdata 'D' /* Regex match position data + (@+ and @- vars) */ +#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */ +#define PERL_MAGIC_env 'E' /* %ENV hash */ +#define PERL_MAGIC_envelem 'e' /* %ENV hash element */ +#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */ +#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */ +#define PERL_MAGIC_isa 'I' /* @ISA array */ +#define PERL_MAGIC_isaelem 'i' /* @ISA array element */ +#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */ +#define PERL_MAGIC_dbfile 'L' /* Debugger %_ might have been included somehow */ @@ -2193,11 +2422,33 @@ Gid_t getegid (void); #endif struct ufuncs { - I32 (*uf_val)(IV, SV*); - I32 (*uf_set)(IV, SV*); + I32 (*uf_val)(pTHX_ IV, SV*); + I32 (*uf_set)(pTHX_ IV, SV*); IV uf_index; }; +/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context. + * XS code wanting to be backward compatible can do something + * like the following: + +#ifndef PERL_MG_UFUNC +#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv) +#endif + +static PERL_MG_UFUNC(foo_get, index, val) +{ + sv_setsv(val, ...); + return TRUE; +} + +-- Doug MacEachern + +*/ + +#ifndef PERL_MG_UFUNC +#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv) +#endif + /* Fix these up for __STDC__ */ #ifndef DONT_DECLARE_STD char *mktemp (char*); @@ -2242,7 +2493,7 @@ END_EXTERN_C # if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */ char *crypt (); /* Maybe more hosts will need the unprototyped version */ # else -# if !defined(WIN32) +# if !defined(WIN32) && !defined(VMS) char *crypt (const char*, const char*); # endif /* !WIN32 */ # endif /* !NeXT && !__NeXT__ */ @@ -2268,6 +2519,15 @@ I32 unlnk (char*); #define UNLINK PerlLIO_unlink #endif +/* some versions of glibc are missing the setresuid() proto */ +#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO) +int setresuid(uid_t ruid, uid_t euid, uid_t suid); +#endif +/* some versions of glibc are missing the setresgid() proto */ +#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO) +int setresgid(gid_t rgid, gid_t egid, gid_t sgid); +#endif + #ifndef HAS_SETREUID # ifdef HAS_SETRESUID # define setreuid(r,e) setresuid(r,e,(Uid_t)-1) @@ -2352,7 +2612,7 @@ EXT char *** environ_pointer; # if !defined(DONT_DECLARE_STD) || \ (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \ defined(__sgi) || \ - defined(__DGUX) + defined(__DGUX) extern char ** environ; /* environment variables supplied via exec */ # endif # endif @@ -2406,7 +2666,7 @@ EXT char *PL_sig_name[]; EXT int PL_sig_num[]; #endif -/* fast case folding tables */ +/* fast conversion and case folding tables */ #ifdef DOINIT #ifdef EBCDIC @@ -2676,15 +2936,15 @@ enum { /* pass one of these to get_vtbl */ #define HINT_PRIVATE_MASK 0x000000ff #define HINT_INTEGER 0x00000001 #define HINT_STRICT_REFS 0x00000002 -/* #define HINT_notused4 0x00000004 */ -#define HINT_BYTE 0x00000008 +#define HINT_LOCALE 0x00000004 +#define HINT_BYTES 0x00000008 +#define HINT_BYTES 0x00000008 /* #define HINT_notused10 0x00000010 */ /* Note: 20,40,80 used for NATIVE_HINTS */ #define HINT_BLOCK_SCOPE 0x00000100 #define HINT_STRICT_SUBS 0x00000200 #define HINT_STRICT_VARS 0x00000400 -#define HINT_LOCALE 0x00000800 #define HINT_NEW_INTEGER 0x00001000 #define HINT_NEW_FLOAT 0x00002000 @@ -2698,6 +2958,7 @@ enum { /* pass one of these to get_vtbl */ #define HINT_FILETEST_ACCESS 0x00400000 #define HINT_UTF8 0x00800000 +#define HINT_UTF8_DISTINCT 0x01000000 /* Various states of an input record separator SV (rs, nrs) */ #define RsSNARF(sv) (! SvOK(sv)) @@ -2756,9 +3017,9 @@ struct perl_vars *PL_VarsPtr; #endif /* PERL_GLOBAL_STRUCT */ #if defined(MULTIPLICITY) || defined(PERL_OBJECT) -/* If we have multiple interpreters define a struct +/* If we have multiple interpreters define a struct holding variables which must be per-interpreter - If we don't have threads anything that would have + If we don't have threads anything that would have be per-thread is per-interpreter. */ @@ -2807,7 +3068,7 @@ typedef void *Thread; #ifndef PERL_CALLCONV # define PERL_CALLCONV -#endif +#endif #ifndef NEXT30_NO_ATTRIBUTE # ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */ @@ -2844,11 +3105,11 @@ typedef void *Thread; # include "embedvar.h" #endif -/* Now include all the 'global' variables +/* Now include all the 'global' variables * If we don't have threads or multiple interpreters - * these include variables that would have been their struct-s + * these include variables that would have been their struct-s */ - + #define PERLVAR(var,type) EXT type PL_##var; #define PERLVARA(var,n,type) EXT type PL_##var[n]; #define PERLVARI(var,type,init) EXT type PL_##var INIT(init); @@ -2983,6 +3244,9 @@ EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), EXT MGVTBL PL_vtbl_backref = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)}; +EXT MGVTBL PL_vtbl_ovrld = {0, 0, + 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)}; + #else /* !DOINIT */ EXT MGVTBL PL_vtbl_sv; @@ -3006,6 +3270,7 @@ EXT MGVTBL PL_vtbl_pos; EXT MGVTBL PL_vtbl_bm; EXT MGVTBL PL_vtbl_fm; EXT MGVTBL PL_vtbl_uvar; +EXT MGVTBL PL_vtbl_ovrld; #ifdef USE_THREADS EXT MGVTBL PL_vtbl_mutex; @@ -3059,8 +3324,9 @@ enum { copy_amg, neg_amg, to_sv_amg, to_av_amg, to_hv_amg, to_gv_amg, - to_cv_amg, iter_amg, - DESTROY_amg, max_amg_code + to_cv_amg, iter_amg, + int_amg, DESTROY_amg, + max_amg_code /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */ }; @@ -3106,7 +3372,7 @@ EXTCONST char * PL_AMG_names[NofAMmeth] = { "(${}", "(@{}", "(%{}", "(*{}", "(&{}", "(<>", - "DESTROY", + "(int", "DESTROY", }; #else EXTCONST char * PL_AMG_names[NofAMmeth]; @@ -3212,16 +3478,18 @@ typedef struct am_table_short AMTS; #define SET_NUMERIC_LOCAL() \ set_numeric_local(); -#define IS_NUMERIC_RADIX(c) \ - ((PL_hints & HINT_LOCALE) && \ - PL_numeric_radix && (c) == PL_numeric_radix) +#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE) +#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE) + +#define IN_LOCALE \ + (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME) #define STORE_NUMERIC_LOCAL_SET_STANDARD() \ - bool was_local = (PL_hints & HINT_LOCALE) && PL_numeric_local; \ + bool was_local = PL_numeric_local && IN_LOCALE; \ if (was_local) SET_NUMERIC_STANDARD(); #define STORE_NUMERIC_STANDARD_SET_LOCAL() \ - bool was_standard = (PL_hints & HINT_LOCALE) && PL_numeric_standard; \ + bool was_standard = PL_numeric_standard && IN_LOCALE; \ if (was_standard) SET_NUMERIC_LOCAL(); #define RESTORE_NUMERIC_LOCAL() \ @@ -3236,12 +3504,13 @@ typedef struct am_table_short AMTS; #define SET_NUMERIC_STANDARD() /**/ #define SET_NUMERIC_LOCAL() /**/ -#define IS_NUMERIC_RADIX(c) (0) +#define IS_NUMERIC_RADIX(a, b) (0) #define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/ #define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/ #define RESTORE_NUMERIC_LOCAL() /**/ #define RESTORE_NUMERIC_STANDARD() /**/ #define Atof Perl_atof +#define IN_LOCALE_RUNTIME 0 #endif /* !USE_LOCALE_NUMERIC */ @@ -3291,13 +3560,17 @@ typedef struct am_table_short AMTS; #endif #if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE) -/* - * Now we have __attribute__ out of the way - * Remap printf +/* + * Now we have __attribute__ out of the way + * Remap printf */ #undef printf +#ifdef __GNUC__ +#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args) +#else #define printf PerlIO_stdoutf #endif +#endif /* if these never got defined, they need defaults */ #ifndef PERL_SET_CONTEXT @@ -3334,8 +3607,17 @@ typedef struct am_table_short AMTS; * Keep this check simple, or it may slow down execution * massively. */ + +#ifndef PERL_MICRO +# ifndef PERL_OLD_SIGNALS +# ifndef PERL_ASYNC_CHECK +# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals() +# endif +# endif +#endif + #ifndef PERL_ASYNC_CHECK -#define PERL_ASYNC_CHECK() NOOP +# define PERL_ASYNC_CHECK() NOOP #endif /* @@ -3352,17 +3634,21 @@ typedef struct am_table_short AMTS; * nice_chunk and nice_chunk size need to be set * and queried under the protection of sv_mutex */ -#define offer_nice_chunk(chunk, chunk_size) do { \ - LOCK_SV_MUTEX; \ - if (!PL_nice_chunk) { \ - PL_nice_chunk = (char*)(chunk); \ - PL_nice_chunk_size = (chunk_size); \ - } \ - else { \ - Safefree(chunk); \ - } \ - UNLOCK_SV_MUTEX; \ - } while (0) +#define offer_nice_chunk(chunk, chunk_size) STMT_START { \ + void *new_chunk; \ + U32 new_chunk_size; \ + LOCK_SV_MUTEX; \ + new_chunk = (void *)(chunk); \ + new_chunk_size = (chunk_size); \ + if (new_chunk_size > PL_nice_chunk_size) { \ + if (PL_nice_chunk) Safefree(PL_nice_chunk); \ + PL_nice_chunk = new_chunk; \ + PL_nice_chunk_size = new_chunk_size; \ + } else { \ + Safefree(chunk); \ + } \ + UNLOCK_SV_MUTEX; \ + } STMT_END #ifdef HAS_SEM # include @@ -3404,6 +3690,10 @@ typedef struct am_table_short AMTS; # include #endif +#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO) +int flock(int fd, int op); +#endif + #ifndef O_RDONLY /* Assume UNIX defaults */ # define O_RDONLY 0000 @@ -3423,6 +3713,9 @@ typedef struct am_table_short AMTS; #ifdef IAMSUID #ifdef I_SYS_STATVFS +# if defined(PERL_SCO) && !defined(_SVID3) +# define _SVID3 +# endif # include /* for f?statvfs() */ #endif #ifdef I_SYS_MOUNT @@ -3470,13 +3763,31 @@ typedef struct am_table_short AMTS; #define EXEC_ARGV_CAST(x) x #endif +#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not + int). value returned in pointed- + to UV */ +#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */ +#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */ +#define IS_NUMBER_NEG 0x08 /* leading minus sign */ +#define IS_NUMBER_INFINITY 0x10 /* this is big */ + +#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send) + +/* to let user control profiling */ +#ifdef PERL_GPROF_CONTROL +extern void moncontrol(int); +#define PERL_GPROF_MONCONTROL(x) moncontrol(x) +#else +#define PERL_GPROF_MONCONTROL(x) +#endif + /* and finally... */ #define PERL_PATCHLEVEL_H_IMPLICIT #include "patchlevel.h" #undef PERL_PATCHLEVEL_H_IMPLICIT /* Mention - + NV_PRESERVES_UV HAS_ICONV @@ -3500,6 +3811,24 @@ typedef struct am_table_short AMTS; NVff NVgf + HAS_USLEEP + HAS_UALARM + + HAS_SETITIMER + HAS_GETITIMER + + HAS_SENDMSG + HAS_RECVMSG + HAS_READV + HAS_WRITEV + I_SYSUIO + HAS_STRUCT_MSGHDR + HAS_STRUCT_CMSGHDR + + USE_REENTRANT_API + + HAS_NL_LANGINFO + so that Configure picks them up. */ #endif /* Include guard */