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Annotation of parser3/src/main/pa_memory.C, revision 1.17

1.2       paf         1: /** @file
                      2:        Parser: memory reference counting classes.
                      3: 
1.16      moko        4:        Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.2       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
                      6: */
                      7: 
                      8: #include "pa_sapi.h"
                      9: #include "pa_common.h"
1.17    ! moko       10: #include "pa_threads.h"
1.2       paf        11: 
1.17    ! moko       12: volatile const char * IDENT_PA_MEMORY_C="$Id: pa_memory.C,v 1.16 2020/12/15 17:10:36 moko Exp $" IDENT_PA_MEMORY_H;
1.9       moko       13: 
1.2       paf        14: void *pa_fail_alloc(const char* what, size_t size) {
                     15: #ifdef PA_DEBUG_DISABLE_GC
                     16:        SAPI::die("out of memory (in pa_fail_alloc)");
                     17: #else
1.12      moko       18:        SAPI::die("out of memory: failed to %s %u bytes. heap_used=%u, heap_free=%u, bytes_since_gc=%u, total_bytes=%u",
                     19:                what, size, GC_get_heap_size(), GC_get_free_bytes(), GC_get_bytes_since_gc(), GC_get_total_bytes());
1.2       paf        20: #endif
                     21:        // never reached
                     22:        return 0;
                     23: }
1.12      moko       24: 
                     25: #ifdef _MSC_VER
                     26: extern "C" void *pa_fail_alloc(const char* what);
                     27: void *pa_fail_alloc(const char* what) {
                     28:        SAPI::die("fatal memory error: %s. heap_used=%u, heap_free=%u, bytes_since_gc=%u, total_bytes=%u",
                     29:                what, GC_get_heap_size(), GC_get_free_bytes(), GC_get_bytes_since_gc(), GC_get_total_bytes());
                     30:        // never reached
                     31:        return 0;
                     32: }
                     33: #endif
1.17    ! moko       34: 
        !            35: int pa_free_space_divisor = 0;
        !            36: 
        !            37: void pa_gc_collect(bool forced){
        !            38: #ifndef PA_DEBUG_DISABLE_GC
        !            39:     int divisor = pa_free_space_divisor; // as it can change during collect in multithreaded enviroment
        !            40:     if(!divisor) GC_enable();
        !            41:     if(!divisor || forced) GC_gcollect();
        !            42:     if(!divisor) GC_disable();
        !            43: #endif
        !            44: }
        !            45: 
        !            46: void pa_gc_set_free_space_divisor(int divisor){
        !            47: #ifndef PA_DEBUG_DISABLE_GC
        !            48:        if(divisor != pa_free_space_divisor){
        !            49:                SYNCHRONIZED;
        !            50:                if(pa_free_space_divisor){
        !            51:                        if(!divisor) GC_disable();
        !            52:                } else {
        !            53:                        if(divisor) GC_enable();
        !            54:                }
        !            55:                if(divisor)
        !            56:                        GC_set_free_space_divisor(divisor);
        !            57:                pa_free_space_divisor = divisor;
        !            58:        }
        !            59: #endif
        !            60: }