static void xbt_preinit(void)
{
#ifdef MMALLOC_WANT_OVERRIDE_LEGACY
mmalloc_preinit();
#endif
xbt_log_preinit();
xbt_backtrace_preinit();
xbt_os_thread_mod_preinit();
xbt_fifo_preinit();
xbt_dict_preinit();
atexit(xbt_postexit);
}
/** Constructor functions used to initialize the malloc implementation
*/
static void __attribute__((constructor(101))) mm_legacy_constructor()
{
if (mm_initialized)
return;
mm_initializing = 1;
__malloc_use_mmalloc = getenv(MC_ENV_VARIABLE) ? 1 : 0;
if (__malloc_use_mmalloc) {
__mmalloc_current_heap = mmalloc_preinit();
} else {
mm_real_realloc = dlsym(RTLD_NEXT, "realloc");
mm_real_malloc = dlsym(RTLD_NEXT, "malloc");
mm_real_free = dlsym(RTLD_NEXT, "free");
mm_real_calloc = dlsym(RTLD_NEXT, "calloc");
}
mm_initializing = 0;
mm_initialized = 1;
}
/** Constructor functions used to initialize the malloc implementation
*/
XBT_ATTRIB_CONSTRUCTOR(101) static void mm_legacy_constructor()
{
if (mm_initialized)
return;
mm_initializing = 1;
__malloc_use_mmalloc = getenv(MC_ENV_VARIABLE) ? 1 : 0;
if (__malloc_use_mmalloc) {
__mmalloc_current_heap = mmalloc_preinit();
} else {
#if HAVE_DLFUNC
mm_real_realloc = (void *(*)(void *, size_t))dlfunc(RTLD_NEXT, "realloc");
mm_real_malloc = (void *(*)(size_t))dlfunc(RTLD_NEXT, "malloc");
mm_real_free = (void (*)(void *))dlfunc(RTLD_NEXT, "free");
mm_real_calloc = (void *(*)(size_t, size_t))dlfunc(RTLD_NEXT, "calloc");
#else
mm_real_realloc = dlsym(RTLD_NEXT, "realloc");
mm_real_malloc = dlsym(RTLD_NEXT, "malloc");
mm_real_free = dlsym(RTLD_NEXT, "free");
mm_real_calloc = dlsym(RTLD_NEXT, "calloc");
#endif
}
mm_initializing = 0;
mm_initialized = 1;
}
// This area is used to allocate memory at initilization time.
if(allocated_junk && p==junkareas[allocated_junk-1]) {
// Last junkarea. We can reuse it.
allocated_junk--;
} else {
// We currently cannot reuse freed junkareas in the general case.
}
}
}
#else /* NO GNU_LD */
void *malloc(size_t n)
{
xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
LOCK(mdp);
void *ret = mmalloc(mdp, n);
UNLOCK(mdp);
return ret;
}
void *calloc(size_t nmemb, size_t size)
{
xbt_mheap_t mdp = __mmalloc_current_heap ?: (xbt_mheap_t) mmalloc_preinit();
LOCK(mdp);
void *ret = mmalloc(mdp, nmemb*size);