void BufInit(void) {
int i = 0;
Buf* pBuf = (Buf*)malloc(sizeof(Buf) * MAX_BUF_NUM);
for (i; i < MAX_BUF_NUM; i++) {
(pBuf + i)->state = -1;
(pBuf + i)->pMem = malloc(strlen("block[0000]")+1);
BufInsertToTail(pBuf + i, BLKNO_INVALID, BUF_LIST_FREE);
}
Init();
DevCreateDisk();
DevOpenDisk();
}
void BufInit(void)
{
int i = 0;
Buf* pBuf;
//init all list
for( i=0; i<HASH_TBL_SIZE; i++ )
{
ppHashHead[i] = NULL;
ppHashTail[i] = NULL;
}
for( i=0; i<3; i++ )
{
ppObjListHead[i] = NULL;
ppObjListTail[i] = NULL;
}
pLruListHead = NULL;
pLruListTail = NULL;
//create buffers
for( i=0; i<MAX_BUF_NUM; i++ )
{
pBuf = (Buf*)malloc(sizeof(Buf));
pBuf->pMem = malloc(BLOCK_SIZE);
pushFree(pBuf);
}
//init device
DevCreateDisk();
DevOpenDisk();
//init semaphore
semaInit();
semaLock(SEMA_IDX_MAIN);
semaLock(SEMA_IDX_DAEMON);
//init daemon
const int stack_size = 1024;
char* stack = (char*)malloc(stack_size);
memset(stack, 0, stack_size);
char* stack_top = stack + stack_size;
clone(BufDaemon, stack_top, CLONE_FS | CLONE_FILES | CLONE_SIGHAND | CLONE_VM, 0);
}