X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/9e2a34c155c6ae146f46dd9d0b10a01f07191954..17d815919cfc62e8258cd8a69689e17fb2fe1721:/os2/perlrexx.c?ds=sidebyside diff --git a/os2/perlrexx.c b/os2/perlrexx.c index 5706b18..98a5502 100644 --- a/os2/perlrexx.c +++ b/os2/perlrexx.c @@ -8,7 +8,11 @@ #include /* - * "The Road goes ever on and on, down from the door where it began." + * The Road goes ever on and on + * Down from the door where it began. + * + * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"] + * [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"] */ #ifdef OEMVS @@ -31,12 +35,6 @@ ULONG PERLEXPORTALL(PCSZ name, LONG rargc, const RXSTRING *rargv, PCSZ queuename ULONG PERLDROPALL(PCSZ name, LONG rargc, const RXSTRING *rargv, PCSZ queuename, PRXSTRING retstr); ULONG PERLDROPALLEXIT(PCSZ name, LONG rargc, const RXSTRING *rargv, PCSZ queuename, PRXSTRING retstr); -#if defined (__MINT__) || defined (atarist) -/* The Atari operating system doesn't have a dynamic stack. The - stack size is determined from this value. */ -long _stksize = 64 * 1024; -#endif - /* Register any extra external extensions */ /* Do not delete this line--writemain depends on it */ @@ -320,234 +318,3 @@ PERLDROPALLEXIT(PCSZ name, LONG rargc, const RXSTRING *rargv, PCSZ queuename, PR retstr->strlength = 0; return 0; } -#define INCL_DOSPROCESS -#define INCL_DOSSEMAPHORES -#define INCL_DOSMODULEMGR -#define INCL_DOSMISC -#define INCL_DOSEXCEPTIONS -#define INCL_DOSERRORS -#define INCL_REXXSAA -#include - -/* - * "The Road goes ever on and on, down from the door where it began." - */ - -#ifdef OEMVS -#ifdef MYMALLOC -/* sbrk is limited to first heap segement so make it big */ -#pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) -#else -#pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) -#endif -#endif - - -#include "EXTERN.h" -#include "perl.h" - -static void xs_init (pTHX); -static PerlInterpreter *my_perl; - -#if defined (__MINT__) || defined (atarist) -/* The Atari operating system doesn't have a dynamic stack. The - stack size is determined from this value. */ -long _stksize = 64 * 1024; -#endif - -/* Register any extra external extensions */ - -/* Do not delete this line--writemain depends on it */ -EXTERN_C void boot_DynaLoader (pTHX_ CV* cv); - -static void -xs_init(pTHX) -{ - char *file = __FILE__; - dXSUB_SYS; - newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file); -} - -int perlos2_is_inited; - -static void -init_perlos2(void) -{ -/* static char *env[1] = {NULL}; */ - - Perl_OS2_init3(0, 0, 0); -} - -static int -init_perl(int doparse) -{ - int exitstatus; - char *argv[3] = {"perl_in_REXX", "-e", ""}; - - if (!perlos2_is_inited) { - perlos2_is_inited = 1; - init_perlos2(); - } - if (my_perl) - return 1; - if (!PL_do_undump) { - my_perl = perl_alloc(); - if (!my_perl) - return 0; - perl_construct(my_perl); - PL_perl_destruct_level = 1; - } - if (!doparse) - return 1; - exitstatus = perl_parse(my_perl, xs_init, 3, argv, (char **)NULL); - return !exitstatus; -} - -/* The REXX-callable entrypoints ... */ - -ULONG PERL (PCSZ name, LONG rargc, const RXSTRING *rargv, - PCSZ queuename, PRXSTRING retstr) -{ - int exitstatus; - char buf[256]; - char *argv[3] = {"perl_from_REXX", "-e", buf}; - ULONG ret; - - if (rargc != 1) { - sprintf(retstr->strptr, "one argument expected, got %ld", rargc); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - if (rargv[0].strlength >= sizeof(buf)) { - sprintf(retstr->strptr, - "length of the argument %ld exceeds the maximum %ld", - rargv[0].strlength, (long)sizeof(buf) - 1); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - - if (!init_perl(0)) - return 1; - - memcpy(buf, rargv[0].strptr, rargv[0].strlength); - buf[rargv[0].strlength] = 0; - - exitstatus = perl_parse(my_perl, xs_init, 3, argv, (char **)NULL); - if (!exitstatus) { - exitstatus = perl_run(my_perl); - } - - perl_destruct(my_perl); - perl_free(my_perl); - my_perl = 0; - - if (exitstatus) - ret = 1; - else { - ret = 0; - sprintf(retstr->strptr, "%s", "ok"); - retstr->strlength = strlen (retstr->strptr); - } - PERL_SYS_TERM1(0); - return ret; -} - -ULONG PERLEXIT (PCSZ name, LONG rargc, const RXSTRING *rargv, - PCSZ queuename, PRXSTRING retstr) -{ - if (rargc != 0) { - sprintf(retstr->strptr, "no arguments expected, got %ld", rargc); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - PERL_SYS_TERM1(0); - return 0; -} - -ULONG PERLTERM (PCSZ name, LONG rargc, const RXSTRING *rargv, - PCSZ queuename, PRXSTRING retstr) -{ - if (rargc != 0) { - sprintf(retstr->strptr, "no arguments expected, got %ld", rargc); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - if (!my_perl) { - sprintf(retstr->strptr, "no perl interpreter present"); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - perl_destruct(my_perl); - perl_free(my_perl); - my_perl = 0; - - sprintf(retstr->strptr, "%s", "ok"); - retstr->strlength = strlen (retstr->strptr); - return 0; -} - - -ULONG PERLINIT (PCSZ name, LONG rargc, const RXSTRING *rargv, - PCSZ queuename, PRXSTRING retstr) -{ - if (rargc != 0) { - sprintf(retstr->strptr, "no argument expected, got %ld", rargc); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - if (!init_perl(1)) - return 1; - - sprintf(retstr->strptr, "%s", "ok"); - retstr->strlength = strlen (retstr->strptr); - return 0; -} - -ULONG PERLEVAL (PCSZ name, LONG rargc, const RXSTRING *rargv, - PCSZ queuename, PRXSTRING retstr) -{ - SV *res, *in; - STRLEN len; - char *str; - - if (rargc != 1) { - sprintf(retstr->strptr, "one argument expected, got %ld", rargc); - retstr->strlength = strlen (retstr->strptr); - return 1; - } - - if (!init_perl(1)) - return 1; - - { - dSP; - int ret; - - ENTER; - SAVETMPS; - - PUSHMARK(SP); - in = sv_2mortal(newSVpvn(rargv[0].strptr, rargv[0].strlength)); - eval_sv(in, G_SCALAR); - SPAGAIN; - res = POPs; - PUTBACK; - - ret = 0; - if (SvTRUE(ERRSV) || !SvOK(res)) - ret = 1; - str = SvPV(res, len); - if (len <= 256 /* Default buffer is 256-char long */ - || !DosAllocMem((PPVOID)&retstr->strptr, len, - PAG_READ|PAG_WRITE|PAG_COMMIT)) { - memcpy(retstr->strptr, str, len); - retstr->strlength = len; - } else - ret = 1; - - FREETMPS; - LEAVE; - - return ret; - } -}