1 | /* miniperlmain.c |
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2 | * |
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3 | * Copyright (c) 1997-2002, Larry Wall |
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4 | * |
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5 | * You may distribute under the terms of either the GNU General Public |
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6 | * License or the Artistic License, as specified in the README file. |
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7 | * |
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8 | */ |
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9 | |
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10 | /* |
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11 | * "The Road goes ever on and on, down from the door where it began." |
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12 | */ |
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13 | |
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14 | #ifdef OEMVS |
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15 | #ifdef MYMALLOC |
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16 | /* sbrk is limited to first heap segement so make it big */ |
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17 | #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
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18 | #else |
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19 | #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) |
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20 | #endif |
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21 | #endif |
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22 | |
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23 | |
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24 | #include "EXTERN.h" |
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25 | #define PERL_IN_MINIPERLMAIN_C |
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26 | #include "perl.h" |
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27 | |
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28 | static void xs_init (pTHX); |
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29 | static PerlInterpreter *my_perl; |
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30 | |
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31 | #if defined (__MINT__) || defined (atarist) |
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32 | /* The Atari operating system doesn't have a dynamic stack. The |
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33 | stack size is determined from this value. */ |
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34 | long _stksize = 64 * 1024; |
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35 | #endif |
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36 | |
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37 | int |
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38 | main(int argc, char **argv, char **env) |
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39 | { |
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40 | int exitstatus; |
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41 | |
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42 | #ifdef PERL_GLOBAL_STRUCT |
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43 | #define PERLVAR(var,type) /**/ |
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44 | #define PERLVARA(var,type) /**/ |
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45 | #define PERLVARI(var,type,init) PL_Vars.var = init; |
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46 | #define PERLVARIC(var,type,init) PL_Vars.var = init; |
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47 | #include "perlvars.h" |
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48 | #undef PERLVAR |
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49 | #undef PERLVARA |
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50 | #undef PERLVARI |
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51 | #undef PERLVARIC |
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52 | #endif |
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53 | |
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54 | /* if user wants control of gprof profiling off by default */ |
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55 | /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ |
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56 | PERL_GPROF_MONCONTROL(0); |
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57 | |
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58 | PERL_SYS_INIT3(&argc,&argv,&env); |
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59 | |
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60 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
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61 | /* XXX Ideally, this should really be happening in perl_alloc() or |
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62 | * perl_construct() to keep libperl.a transparently fork()-safe. |
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63 | * It is currently done here only because Apache/mod_perl have |
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64 | * problems due to lack of a call to cancel pthread_atfork() |
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65 | * handlers when shared objects that contain the handlers may |
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66 | * be dlclose()d. This forces applications that embed perl to |
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67 | * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't |
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68 | * been called at least once before in the current process. |
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69 | * --GSAR 2001-07-20 */ |
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70 | PTHREAD_ATFORK(Perl_atfork_lock, |
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71 | Perl_atfork_unlock, |
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72 | Perl_atfork_unlock); |
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73 | #endif |
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74 | |
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75 | if (!PL_do_undump) { |
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76 | my_perl = perl_alloc(); |
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77 | if (!my_perl) |
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78 | exit(1); |
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79 | perl_construct(my_perl); |
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80 | PL_perl_destruct_level = 0; |
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81 | } |
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82 | PL_exit_flags |= PERL_EXIT_DESTRUCT_END; |
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83 | exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL); |
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84 | if (!exitstatus) |
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85 | perl_run(my_perl); |
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86 | |
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87 | exitstatus = perl_destruct(my_perl); |
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88 | |
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89 | perl_free(my_perl); |
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90 | |
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91 | PERL_SYS_TERM(); |
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92 | |
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93 | exit(exitstatus); |
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94 | return exitstatus; |
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95 | } |
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96 | |
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97 | /* Register any extra external extensions */ |
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98 | |
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99 | /* Do not delete this line--writemain depends on it */ |
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100 | |
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101 | static void |
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102 | xs_init(pTHX) |
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103 | { |
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104 | dXSUB_SYS; |
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105 | } |
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