1 /* -*- buffer-read-only: t -*- 2 !!!!!!! DO NOT EDIT THIS FILE !!!!!!! 3 This file is built by regen/miniperlmain.pl and ExtUtils::Miniperl. 4 Any changes made here will be lost! 5 */ 6 7 /* miniperlmain.c or perlmain.c - a generated file 8 * 9 * Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 10 * 2004, 2005, 2006, 2007, 2016 by Larry Wall and others 11 * 12 * You may distribute under the terms of either the GNU General Public 13 * License or the Artistic License, as specified in the README file. 14 * 15 */ 16 17 /* 18 * The Road goes ever on and on 19 * Down from the door where it began. 20 * 21 * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"] 22 * [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"] 23 */ 24 25 /* This file contains the main() function for the perl interpreter. 26 * Note that miniperlmain.c contains main() for the 'miniperl' binary, 27 * while perlmain.c contains main() for the 'perl' binary. The typical 28 * difference being that the latter includes Dynaloader. 29 * 30 * Miniperl is like perl except that it does not support dynamic loading, 31 * and in fact is used to build the dynamic modules needed for the 'real' 32 * perl executable. 33 * 34 * The content of the body of this generated file is mostly contained 35 * in Miniperl.pm - edit that file if you want to change anything. 36 * miniperlmain.c is generated by running regen/miniperlmain.pl, while 37 * perlmain.c is built automatically by Makefile (so the former is 38 * included in the tarball while the latter isn't). 39 */ 40 41 #ifdef OEMVS 42 #ifdef MYMALLOC 43 /* sbrk is limited to first heap segment so make it big */ 44 #pragma runopts(HEAP(8M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) 45 #else 46 #pragma runopts(HEAP(2M,500K,ANYWHERE,KEEP,8K,4K) STACK(,,ANY,) ALL31(ON)) 47 #endif 48 #endif 49 50 #define PERL_IN_MINIPERLMAIN_C 51 52 /* work round bug in MakeMaker which doesn't currently (2019) supply this 53 * flag when making a statically linked perl */ 54 #define PERL_CORE 1 55 56 #include "EXTERN.h" 57 #include "perl.h" 58 #include "XSUB.h" 59 60 static void xs_init (pTHX); 61 static PerlInterpreter *my_perl; 62 63 #if defined(PERL_GLOBAL_STRUCT_PRIVATE) 64 /* The static struct perl_vars* may seem counterproductive since the 65 * whole idea PERL_GLOBAL_STRUCT_PRIVATE was to avoid statics, but note 66 * that this static is not in the shared perl library, the globals PL_Vars 67 * and PL_VarsPtr will stay away. */ 68 static struct perl_vars* my_plvarsp; 69 struct perl_vars* Perl_GetVarsPrivate(void) { return my_plvarsp; } 70 #endif 71 72 #ifdef NO_ENV_ARRAY_IN_MAIN 73 extern char **environ; 74 int 75 main(int argc, char **argv) 76 #else 77 int 78 main(int argc, char **argv, char **env) 79 #endif 80 { 81 int exitstatus, i; 82 #ifdef PERL_GLOBAL_STRUCT 83 struct perl_vars *my_vars = init_global_struct(); 84 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 85 int veto; 86 87 my_plvarsp = my_vars; 88 # endif 89 #endif /* PERL_GLOBAL_STRUCT */ 90 #ifndef NO_ENV_ARRAY_IN_MAIN 91 PERL_UNUSED_ARG(env); 92 #endif 93 #ifndef PERL_USE_SAFE_PUTENV 94 PL_use_safe_putenv = FALSE; 95 #endif /* PERL_USE_SAFE_PUTENV */ 96 97 /* if user wants control of gprof profiling off by default */ 98 /* noop unless Configure is given -Accflags=-DPERL_GPROF_CONTROL */ 99 PERL_GPROF_MONCONTROL(0); 100 101 #ifdef NO_ENV_ARRAY_IN_MAIN 102 PERL_SYS_INIT3(&argc,&argv,&environ); 103 #else 104 PERL_SYS_INIT3(&argc,&argv,&env); 105 #endif 106 107 #if defined(USE_ITHREADS) 108 /* XXX Ideally, this should really be happening in perl_alloc() or 109 * perl_construct() to keep libperl.a transparently fork()-safe. 110 * It is currently done here only because Apache/mod_perl have 111 * problems due to lack of a call to cancel pthread_atfork() 112 * handlers when shared objects that contain the handlers may 113 * be dlclose()d. This forces applications that embed perl to 114 * call PTHREAD_ATFORK() explicitly, but if and only if it hasn't 115 * been called at least once before in the current process. 116 * --GSAR 2001-07-20 */ 117 PTHREAD_ATFORK(Perl_atfork_lock, 118 Perl_atfork_unlock, 119 Perl_atfork_unlock); 120 #endif 121 122 PERL_SYS_FPU_INIT; 123 124 if (!PL_do_undump) { 125 my_perl = perl_alloc(); 126 if (!my_perl) 127 exit(1); 128 perl_construct(my_perl); 129 PL_perl_destruct_level = 0; 130 } 131 PL_exit_flags |= PERL_EXIT_DESTRUCT_END; 132 if (!perl_parse(my_perl, xs_init, argc, argv, (char **)NULL)) 133 perl_run(my_perl); 134 135 #ifndef PERL_MICRO 136 /* Unregister our signal handler before destroying my_perl */ 137 for (i = 1; PL_sig_name[i]; i++) { 138 if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) { 139 rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL); 140 } 141 } 142 #endif 143 144 exitstatus = perl_destruct(my_perl); 145 146 perl_free(my_perl); 147 148 #if defined(USE_ENVIRON_ARRAY) && defined(PERL_TRACK_MEMPOOL) && !defined(NO_ENV_ARRAY_IN_MAIN) 149 /* 150 * The old environment may have been freed by perl_free() 151 * when PERL_TRACK_MEMPOOL is defined, but without having 152 * been restored by perl_destruct() before (this is only 153 * done if destruct_level > 0). 154 * 155 * It is important to have a valid environment for atexit() 156 * routines that are eventually called. 157 */ 158 environ = env; 159 #endif 160 161 PERL_SYS_TERM(); 162 163 #ifdef PERL_GLOBAL_STRUCT 164 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 165 veto = my_plvarsp->Gveto_cleanup; 166 # endif 167 free_global_struct(my_vars); 168 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 169 if (!veto) 170 my_plvarsp = NULL; 171 /* Remember, functions registered with atexit() can run after this point, 172 and may access "global" variables, and hence end up calling 173 Perl_GetVarsPrivate() */ 174 #endif 175 #endif /* PERL_GLOBAL_STRUCT */ 176 177 exit(exitstatus); 178 } 179 180 /* Register any extra external extensions */ 181 182 183 static void 184 xs_init(pTHX) 185 { 186 dXSUB_SYS; 187 PERL_UNUSED_CONTEXT; 188 } 189 190 /* ex: set ro: */ 191