void * __terminal_hook_memalign(size_t boundary, size_t size, const void *caller)
{
static void *(*real_memalign)(size_t, size_t);
if (!real_memalign) real_memalign = fake_dlsym(RTLD_DEFAULT, "__real_memalign");
if (!real_memalign) real_memalign = fake_dlsym(RTLD_DEFAULT, "memalign"); // probably infinite regress...
if (!real_memalign) abort();
return real_memalign(boundary, size);
}
void* memalign(size_t blocksize, size_t bytes)
{
void *ptr;
START_CALL();
ptr = real_memalign(blocksize, bytes);
END_CALL(ptr, bytes);
return ptr;
}
void *memalign(size_t boundary, size_t size)
{
struct log_malloc_s *mem;
sig_atomic_t memuse;
sig_atomic_t memruse = 0;
if(!DL_RESOLVE_CHECK(memalign))
return NULL;
if(boundary > MEM_OFF)
return NULL;
if((mem = real_memalign(boundary, size + MEM_OFF)) != NULL)
{
mem->size = size;
mem->cb = ~mem->size;
memuse = __sync_add_and_fetch(&g_ctx.mem_used, mem->size);
#ifdef HAVE_MALLOC_USABLE_SIZE
mem->rsize = malloc_usable_size(mem);
memruse = __sync_add_and_fetch(&g_ctx.mem_rused, mem->rsize);
#endif
}
#ifndef DISABLE_CALL_COUNTS
(void)__sync_fetch_and_add(&g_ctx.stat.memalign, 1);
g_ctx.stat.unrel_sum++;
#endif
if(!g_ctx.memlog_disabled)
{
int s;
char buf[LOG_BUFSIZE];
s = snprintf(buf, sizeof(buf), "+ memalign %zu %p (%zu) [%u:%u]\n",
size, MEM_PTR(mem),
boundary,
memuse, memruse);
log_trace(buf, s, sizeof(buf), 1);
}
return MEM_PTR(mem);
}
