/* If we don't have the main arena, then maybe the failure is due to running
out of mmapped areas, so we can try allocating on the main arena.
Otherwise, it is likely that sbrk() has failed and there is still a chance
to mmap(), so try one of the other arenas. */
static mstate
arena_get_retry (mstate ar_ptr, size_t bytes)
{
if(ar_ptr != &main_arena) {
(void)mutex_unlock(&ar_ptr->mutex);
ar_ptr = &main_arena;
(void)mutex_lock(&ar_ptr->mutex);
} else {
/* Grab ar_ptr->next prior to releasing its lock. */
mstate prev = ar_ptr->next ? ar_ptr : 0;
(void)mutex_unlock(&ar_ptr->mutex);
ar_ptr = arena_get2(prev, bytes, ar_ptr);
}
return ar_ptr;
}
/* If we don't have the main arena, then maybe the failure is due to running
out of mmapped areas, so we can try allocating on the main arena.
Otherwise, it is likely that sbrk() has failed and there is still a chance
to mmap(), so try one of the other arenas. */
static mstate
arena_get_retry (mstate ar_ptr, size_t bytes)
{
LIBC_PROBE (memory_arena_retry, 2, bytes, ar_ptr);
if (ar_ptr != &main_arena)
{
__libc_lock_unlock (ar_ptr->mutex);
ar_ptr = &main_arena;
__libc_lock_lock (ar_ptr->mutex);
}
else
{
__libc_lock_unlock (ar_ptr->mutex);
ar_ptr = arena_get2 (bytes, ar_ptr);
}
return ar_ptr;
}
/* If we don't have the main arena, then maybe the failure is due to running
out of mmapped areas, so we can try allocating on the main arena.
Otherwise, it is likely that sbrk() has failed and there is still a chance
to mmap(), so try one of the other arenas. */
static mstate
arena_get_retry (mstate ar_ptr, size_t bytes)
{
LIBC_PROBE (memory_arena_retry, 2, bytes, ar_ptr);
if (ar_ptr != &main_arena)
{
__libc_lock_unlock (ar_ptr->mutex);
/* Don't touch the main arena if it is corrupt. */
if (arena_is_corrupt (&main_arena))
return NULL;
ar_ptr = &main_arena;
__libc_lock_lock (ar_ptr->mutex);
}
else
{
__libc_lock_unlock (ar_ptr->mutex);
ar_ptr = arena_get2 (bytes, ar_ptr);
}
return ar_ptr;
}
