pike.git / src / main.c

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pike.git/src/main.c:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: main.c,v 1.194 2004/03/16 14:27:34 mast Exp $ + || $Id: main.c,v 1.195 2004/03/16 18:33:45 mast Exp $   */      #include "global.h" - RCSID("$Id: main.c,v 1.194 2004/03/16 14:27:34 mast Exp $"); + RCSID("$Id: main.c,v 1.195 2004/03/16 18:33:45 mast Exp $");   #include "fdlib.h"   #include "backend.h"   #include "module.h"   #include "object.h"   #include "language.h"   #include "lex.h"   #include "pike_types.h"   #include "builtin_functions.h"   #include "array.h"   #include "stralloc.h"
pike.git/src/main.c:896:    init_builtin();       init_builtin_efuns();    init_signals();    init_dynamic_load();   }      void exit_main(void)   {   #ifdef DO_PIKE_CLEANUP - #ifdef DEBUG_MALLOC -  gc_keep_markers = verbose_debug_exit; +  size_t count; +  + #ifdef PIKE_DEBUG    if (verbose_debug_exit)    fprintf(stderr,"Exited normally, counting bytes.\n");   #endif    -  /* Destruct all remaining objects before modules are shut down, so -  * that they don't get calls to object exit callbacks after their -  * module exit callback. The downside is that the leak report below -  * will always report destructed objects. We use the gc in a special -  * mode for this to get a reasonably sane destruct order. */ +  /* Destruct all remaining objects while we have a proper execution +  * environment. The downside is that the leak report below will +  * always report destructed objects. We use the gc in a special mode +  * for this to get a reasonably sane destruct order. */    gc_destruct_everything = 1; -  do_gc (NULL, 1); +  count = do_gc (NULL, 1); +  while (count) { +  size_t new_count = do_gc (NULL, 1); +  if (new_count >= count) { +  fprintf (stderr, "Some destroy function is creating new objects " +  "during final cleanup - can't exit cleanly.\n"); +  break; +  } +  count = new_count; +  }    gc_destruct_everything = 0;       /* Unload dynamic modules before static ones. */    exit_dynamic_load();   #endif   }      void init_main(void)   {   }
pike.git/src/main.c:961: Inside #if defined(DO_PIKE_CLEANUP) and #if defined(SHARED_NODES)
  #ifdef SHARED_NODES    free(node_hash.table);   #endif /* SHARED_NODES */       exit_pike_security();    free_svalue(& throw_value);    throw_value.type=T_INT;       do_gc(NULL, 1);    - #ifdef DEBUG_MALLOC + #ifdef PIKE_DEBUG    if(verbose_debug_exit)    { -  +    #ifdef _REENTRANT    if(count_pike_threads()>1)    {    fprintf(stderr,"Byte counting aborted, because all threads have not exited properly.\n");    verbose_debug_exit=0;    return;    }   #endif    -  + #ifdef DEBUG_MALLOC    search_all_memheaders_for_references(); -  + #endif    -  +  /* The use of markers below only works after a gc run where it +  * hasn't freed anything. Since we've destructed all objects in +  * exit_main, nothing should be left after the run above, so only +  * one more run is necessary. */ +  gc_keep_markers = 1; +  do_gc (NULL, 1); +    #define STATIC_ARRAYS {&empty_array, &weak_empty_array, &weak_shrink_empty_array}      #define REPORT_LINKED_LIST_LEAKS(TYPE, START, STATICS, T_TYPE, NAME) do { \    size_t num = 0; \    struct TYPE *x; \    for (x = START; x; x = x->next) { \    struct marker *m = find_marker (x); \    if (!m) { \ -  fprintf (stderr, "Didn't find gc marker as expected for:\n"); \ +  DO_IF_DEBUG ( \ +  fprintf (stderr, "Didn't find gc marker as expected for:\n"); \    describe_something (x, T_TYPE, 2, 2, 0, NULL); \ -  +  ); \    } \    else { \    int is_static = 0; \    static const struct TYPE *statics[] = STATICS; \    ptrdiff_t i; /* Use signed type to avoid warnings from gcc. */ \    for (i = 0; i < (ptrdiff_t) NELEM (statics); i++) \    if (x == statics[i]) \    is_static = 1; \    if (x->refs != m->refs + is_static) { \    num++; \    fprintf (stderr, NAME " got %d unaccounted references:\n", \ -  x->refs - m->refs); \ +  x->refs - (m->refs + is_static)); \    describe_something (x, T_TYPE, 2, 2, 0, NULL); \    } \    } \    } \    if (num) \    fprintf (stderr, NAME "s left: %"PRINTSIZET"d\n", num); \    } while (0)       REPORT_LINKED_LIST_LEAKS (array, first_array, STATIC_ARRAYS, T_ARRAY, "Array");    REPORT_LINKED_LIST_LEAKS (multiset, first_multiset, {}, T_MULTISET, "Multiset");
pike.git/src/main.c:1050:      #undef ZAP_LINKED_LIST_LEAKS       /* If we stumble on the real refs whose refcounts we've zapped    * above we should try to handle it gracefully. */    gc_external_refs_zapped = 1;       gc_keep_markers = 0;    do_gc (NULL, 1);    + #ifdef DEBUG_MALLOC    {    INT32 num, size;    count_memory_in_pike_types(&num, &size);    if (num)    fprintf(stderr, "Types left: %d (%d bytes)\n", num, size);    describe_all_types();    } -  + #endif    }   #endif       destruct_objects_to_destruct_cb();       /* Now there are no arrays/objects/programs/anything left. */       really_clean_up_interpret();       cleanup_callbacks();