这是报错部分源码：
typedef struct _INSTANCE {
struct _INSTANCE *next;
TapAdapterPointer m_Adapter;
} INSTANCE;
typedef struct {
INSTANCE *list;
MUTEX lock;
} INSTANCE_BUCKET;
typedef struct {
INSTANCE_BUCKET buckets[N_INSTANCE_BUCKETS];
} INSTANCE_HASH;
INSTANCE_HASH *g_InstanceHash = NULL; //定义全局变量 g_InstanceHash
BOOLEAN
InitInstanceList (VOID)
{
MYASSERT (g_InstanceHash == NULL);
g_InstanceHash = MemAlloc (sizeof (INSTANCE_HASH), TRUE); ///这里是申请内存
if (g_InstanceHash)
{
int i;
for (i = 0; i < N_INSTANCE_BUCKETS; ++i)
INIT_MUTEX (&g_InstanceHash->buckets[i].lock);
return TRUE;
}
else
return FALSE;
}
int
NInstances (VOID)
{
int i, n = 0;
if (g_InstanceHash)
{
for (i = 0; i < N_INSTANCE_BUCKETS; ++i)
{
BOOLEAN got_lock;
INSTANCE_BUCKET ib = &g_InstanceHash->buckets[i];
ACQUIRE_MUTEX_ADAPTIVE (&ib->lock, got_lock);/编译到这里报错：error c4090:'function' :different 'volatile'qualifiers*/
if (got_lock)
{
INSTANCE *current;
for (current = ib->list; current != NULL; current = current->next)
++n;
RELEASE_MUTEX (&ib->lock);
}
else
return -1;
}
}
return n;
}
