Exemplo n.º 1
0
  GC_API void * GC_generic_malloc_kind(size_t bytes, int kind)
{
    size_t granules = ROUNDED_UP_GRANULES(bytes);
    void *tsd;
    void *result;
    void **tiny_fl;
#   if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
      GC_key_t k = GC_thread_key;
      if (EXPECT(0 == k, FALSE)) {
        /* We haven't yet run GC_init_parallel.  That means     */
        /* we also aren't locking, so this is fairly cheap.     */
        return GC_generic_malloc_kind_global(bytes, kind);
      }
      tsd = GC_getspecific(k);
#   else
      tsd = GC_getspecific(GC_thread_key);
#   endif
#   if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
      if (EXPECT(0 == tsd, FALSE)) {
        return GC_generic_malloc_kind_global(bytes, kind);
      }
#   endif
    GC_ASSERT(GC_is_initialized);
    GC_ASSERT(GC_is_thread_tsd_valid(tsd));
    tiny_fl = ((GC_tlfs)tsd)->freelists[kind];
    GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
        kind, GC_generic_malloc_kind_global(bytes, kind), obj_link(result) = 0);
    return result;
}
Exemplo n.º 2
0
GC_API GC_ATTR_MALLOC void * GC_CALL GC_malloc_kind(size_t bytes, int knd)
{
    size_t granules;
    void *tsd;
    void *result;

#   if MAXOBJKINDS > THREAD_FREELISTS_KINDS
      if (EXPECT(knd >= THREAD_FREELISTS_KINDS, FALSE)) {
        return GC_malloc_kind_global(bytes, knd);
      }
#   endif
#   if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
    {
      GC_key_t k = GC_thread_key;

      if (EXPECT(0 == k, FALSE)) {
        /* We haven't yet run GC_init_parallel.  That means     */
        /* we also aren't locking, so this is fairly cheap.     */
        return GC_malloc_kind_global(bytes, knd);
      }
      tsd = GC_getspecific(k);
    }
#   else
      tsd = GC_getspecific(GC_thread_key);
#   endif
#   if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
      if (EXPECT(0 == tsd, FALSE)) {
        return GC_malloc_kind_global(bytes, knd);
      }
#   endif
    GC_ASSERT(GC_is_initialized);
    GC_ASSERT(GC_is_thread_tsd_valid(tsd));
    granules = ROUNDED_UP_GRANULES(bytes);
    GC_FAST_MALLOC_GRANS(result, granules,
                         ((GC_tlfs)tsd) -> _freelists[knd], DIRECT_GRANULES,
                         knd, GC_malloc_kind_global(bytes, knd),
                         (void)(knd == PTRFREE ? NULL
                                               : (obj_link(result) = 0)));
#   ifdef LOG_ALLOCS
      GC_log_printf("GC_malloc_kind(%lu, %d) returned %p, recent GC #%lu\n",
                    (unsigned long)bytes, knd, result,
                    (unsigned long)GC_gc_no);
#   endif
    return result;
}
GC_API GC_ATTR_MALLOC void * GC_CALL GC_malloc(size_t bytes)
{
    size_t granules = ROUNDED_UP_GRANULES(bytes);
    void *tsd;
    void *result;
    void **tiny_fl;

#   if !defined(USE_PTHREAD_SPECIFIC) && !defined(USE_WIN32_SPECIFIC)
      GC_key_t k = GC_thread_key;
      if (EXPECT(0 == k, FALSE)) {
        /* We haven't yet run GC_init_parallel.  That means     */
        /* we also aren't locking, so this is fairly cheap.     */
        return GC_core_malloc(bytes);
      }
      tsd = GC_getspecific(k);
#   else
      tsd = GC_getspecific(GC_thread_key);
#   endif
#   if !defined(USE_COMPILER_TLS) && !defined(USE_WIN32_COMPILER_TLS)
      if (EXPECT(0 == tsd, FALSE)) {
        return GC_core_malloc(bytes);
      }
#   endif
    GC_ASSERT(GC_is_initialized);

    GC_ASSERT(GC_is_thread_tsd_valid(tsd));

    tiny_fl = ((GC_tlfs)tsd) -> normal_freelists;
    GC_FAST_MALLOC_GRANS(result, granules, tiny_fl, DIRECT_GRANULES,
                         NORMAL, GC_core_malloc(bytes), obj_link(result)=0);
#   ifdef LOG_ALLOCS
      GC_log_printf("GC_malloc(%lu) returned %p, recent GC #%lu\n",
                    (unsigned long)bytes, result, (unsigned long)GC_gc_no);
#   endif
    return result;
}