int main(int ac, char **av)
{
int fail = 0;
char *msg; /* message returned from parse_opts */
/* parse standard options */
if ((msg = parse_opts(ac, av, (option_t *) NULL, NULL)) != (char *)NULL) {
tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
}
setup(); /* global setup */
/* //block1: *//* Error: when no lock is set */
tst_resm(TINFO, "Enter block 1");
fail = 0;
#ifdef LINUX_FILE_REGION_LOCK
if (fcntl(fd, F_RGETLK, &tl) < 0) {
if (errno == EINVAL) {
tst_resm(TINFO, "fcntl remote locking feature not "
"implemented in the kernel: exitting");
cleanup();
/*NOTREACHED*/} else {
tst_resm(TPASS, "fcntl on file failed: Test " "PASSED");
}
}
/*
* Add a write lock to the middle of the file and unlock a section
* just before the lock
*/
if (do_lock(F_RSETLK, (short)F_WRLCK, (short)0, 10, 5) < 0) {
tst_resm(TFAIL, "F_RSETLK WRLCK failed");
fail = 1;
}
if (do_lock(F_RSETLK, (short)F_UNLCK, (short)0, 5, 5) < 0) {
tst_resm(TFAIL, "F_RSETLK UNLOCK failed");
fail = 1;
}
unlock_file();
#endif
if (fail) {
tst_resm(TFAIL, "Block 1 FAILED");
} else {
tst_resm(TPASS, "Block 1 PASSED");
}
close(fd);
tst_resm(TINFO, "Exit block 1");
cleanup();
return 0;
}
void test() {
pid_t pid;
if((pid = fork()) < 0) {
Perror("fork error");
} else if(pid == 0) {
do_lock("lock.dat");
} else {
sleep(2);
do_lock("lock.dat");
}
}
struct ZSTLIterator *ZSTLMapEnum(struct ZSTLMap *pm)
{
ZSTLIterator_t *iterator;
pthread_mutex_lock(&(pm->enum_mutex));
do_lock(&(pm->mutex));
iterator = get_iterator(pm);
zstlmap_assert(iterator);
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapEnum: pm=%p, iterator=%p, ", pm, iterator);
#endif
iterator->enum_entry = pm->lru_head;
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "pme=%p, enum_entry=%p\n", pm, iterator->enum_entry);
#endif
do_unlock(&(pm->mutex));
return(iterator);
}
// Decrement the reference count for this entry
// rc=1 if entry is found, rc=0 otherwise
int ZSTLMapRelease(struct ZSTLMap *pm, char *key, uint32_t keylen)
{
ZSTLMapEntry_t *pme;
int rc = 0;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapRelease: pm=%p, key=0x%lx, keylen=%d", pm, *((uint64_t *) key), keylen);
#endif
pme = find_pme(pm, key, keylen, NULL);
if (pme != NULL) {
// fprintf(stderr, ", after release [0x%lx] =%d\n", *((uint64_t *) key), pme->refcnt - 1);
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, ", after release refcnt=%d\n", pme->refcnt - 1);
#endif
(pme->refcnt)--;
rc = 1;
} else {
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, " (KEY NOT FOUND!)\n");
#endif
}
do_unlock(&(pm->mutex));
return(rc);
}
int lock_main(int argc, char **argv)
{
char **args = &argv[1];
int c = argc - 1;
while ((*args != NULL) && (*args)[0] == '-') {
char *ch = *args;
while (*(++ch) > 0) {
switch(*ch) {
case 'w':
waitonly = 1;
break;
case 's':
shared = 1;
break;
case 'u':
unlock = 1;
break;
}
}
c--;
args++;
}
if (c != 1)
usage(argv[0]);
file = *args;
if (unlock)
return do_unlock();
else
return do_lock();
}
// Return non-NULL if success, NULL if object does not exist
struct ZSTLMapEntry *ZSTLMapUpdate(struct ZSTLMap *pm, char *pkey, uint32_t keylen, char *pdata, uint64_t datalen)
{
ZSTLMapEntry_t *pme;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapUpdate: pm=%p, key=0x%lx, keylen=%d, pdata=%p, datalen=%ld\n", pm, *((uint64_t *) pkey), keylen, pdata, datalen);
#endif
pme = find_pme(pm, pkey, keylen, NULL);
if (pme == NULL) {
do_unlock(&(pm->mutex));
return(NULL);
}
/* Update an existing entry. */
// update the LRU list if necessary
if (pm->max_entries != 0) {
update_lru(pm, pme);
}
if (pm->replacement_callback) {
// return NULL for key so that it is not freed!
(pm->replacement_callback)(pm->replacement_callback_data, pme->key, pme->keylen, pme->contents, pme->datalen);
}
pme->contents = pdata;
pme->datalen = datalen;
do_unlock(&(pm->mutex));
return(pme);
}
void queue_push( int data, queue_t *queue ) {
int done = 0;
do_lock( &queue->operation_lock );
while ( queue_is_full( queue ) ) {
do_unlock( &queue->operation_lock );
__asm__("hlt");
do_lock( &queue->operation_lock );
}
queue->data[queue->head] = data;
queue->head = QUEUE_WRAP( queue->head + 1 );
done = 1;
do_unlock( &queue->operation_lock );
}
NTSTATUS do_lock_spin(files_struct *fsp,connection_struct *conn, uint16 lock_pid,
SMB_BIG_UINT count,SMB_BIG_UINT offset,enum brl_type lock_type)
{
int j, maxj = lp_lock_spin_count();
int sleeptime = lp_lock_sleep_time();
NTSTATUS status, ret;
if (maxj <= 0)
maxj = 1;
ret = NT_STATUS_OK; /* to keep dumb compilers happy */
for (j = 0; j < maxj; j++) {
status = do_lock(fsp, conn, lock_pid, count, offset, lock_type);
if (!NT_STATUS_EQUAL(status, NT_STATUS_LOCK_NOT_GRANTED) &&
!NT_STATUS_EQUAL(status, NT_STATUS_FILE_LOCK_CONFLICT)) {
return status;
}
/* if we do fail then return the first error code we got */
if (j == 0) {
ret = status;
}
if (sleeptime)
sys_usleep(sleeptime);
}
return ret;
}
void
flockfile(FILE * fp)
{
int idx = file_idx(fp);
struct file_lock *p;
/* Lock the hash table: */
_SPINLOCK(&hash_lock);
/* Check if the static array has not been initialised: */
if (!init_done) {
/* Initialise the global array: */
memset(flh,0,sizeof(flh));
/* Flag the initialisation as complete: */
init_done = 1;
}
/* Get a pointer to any existing lock for the file: */
if ((p = find_lock(idx, fp)) == NULL) {
/*
* The file is not locked, so this thread can
* grab the lock:
*/
p = do_lock(idx, fp);
/* Unlock the hash table: */
_SPINUNLOCK(&hash_lock);
/*
* The file is already locked, so check if the
* running thread is the owner:
*/
} else if (p->owner == _thread_run) {
/*
* The running thread is already the
* owner, so increment the count of
* the number of times it has locked
* the file:
*/
p->count++;
/* Unlock the hash table: */
_SPINUNLOCK(&hash_lock);
} else {
/*
* The file is locked for another thread.
* Append this thread to the queue of
* threads waiting on the lock.
*/
TAILQ_INSERT_TAIL(&p->l_head,_thread_run,qe);
/* Unlock the hash table: */
_SPINUNLOCK(&hash_lock);
/* Wait on the FILE lock: */
_thread_kern_sched_state(PS_FILE_WAIT, "", 0);
}
}
void char_walk( CHAR_DATA *ch )
{
int dir = -1;
bool close = FALSE;
bool lock = FALSE;
ROOM_INDEX_DATA *prev_room;
if ( !ch || ch->walking == 0 )
return;
if ( ch->in_room->vnum == ch->walking || ch->in_room->vnum == -1 * ch->walking )
{
ch->walking = 0;
return;
}
if ( ch->walking > 0 )
dir = find_path( ch->in_room->vnum, ch->walking, ch, 40000, TRUE );
else if ( ch->walking < 0 )
dir = find_path( ch->in_room->vnum, -1 * ch->walking, ch, 40000, FALSE );
if ( dir < 0 || dir >= MAX_DIR )
{
ch->walking = 0;
return;
}
if ( IS_SET( ch->in_room->exit[dir]->exit_info, EX_LOCKED ) )
{
do_unlock( ch, (char *) eng_dir_name[dir] );
lock = TRUE;
}
if ( IS_SET( ch->in_room->exit[dir]->exit_info, EX_CLOSED ) )
{
do_open( ch, (char *) eng_dir_name[dir] );
close = TRUE;
}
if ( IS_SET( sector_table[ch->in_room->exit[dir]->u1.to_room->sector_type].flag, SECT_UNDERWATER ) )
return;
prev_room = ch->in_room;
move_char( ch, dir, FALSE, NULL );
if ( ch->in_room->vnum == ch->walking || ch->in_room->vnum == -1 * ch->walking )
ch->walking = 0;
if ( ch->in_room == prev_room )
return;
if ( close )
do_close( ch, (char *) eng_dir_name[rev_dir[dir]] );
if ( lock )
do_lock( ch, (char *) eng_dir_name[rev_dir[dir]] );
return;
}
int main(int ac, char **av)
{
int fail = 0;
const char *msg;
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
setup(); /* global setup */
fail = 0;
#ifdef LINUX_FILE_REGION_LOCK
if (fcntl(fd, F_RGETLK, &tl) == -1) {
if (errno == EINVAL)
tst_brkm(TCONF, cleanup,
"fcntl remote locking feature not implemented in "
"the kernel");
else {
/*
* FIXME (garrcoop): having it always pass on
* non-EINVAL is a bad test.
*/
tst_resm(TPASS, "fcntl on file failed");
}
}
/*
* Add a write lock to the middle of the file and unlock a section
* just before the lock
*/
if (do_lock(F_RSETLK, F_WRLCK, 0, 10, 5) == -1)
tst_resm(TFAIL, "F_RSETLK WRLCK failed");
if (do_lock(F_RSETLK, F_UNLCK, 0, 5, 5) == -1)
tst_resm(TFAIL | TERRNO, "F_RSETLK UNLOCK failed");
unlock_file();
#else
tst_resm(TCONF, "system doesn't have LINUX_LOCK_FILE_REGION support");
#endif
cleanup();
tst_exit();
}
dbref create_guest(char *name, char *password)
{
dbref player;
char *buff;
if(!Wizard(mudconf.guest_nuker) || !Good_obj(mudconf.guest_nuker))
mudconf.guest_nuker = 1;
buff = alloc_lbuf("create_guest");
/*
* Make the player.
*/
player = create_player(name, password, mudconf.guest_nuker, 0, 1);
if(player == NOTHING) {
log_text("GUEST: failed in create_player\n");
return NOTHING;
}
/*
* Turn the player into a guest.
*/
s_Guest(player);
move_object(player, mudconf.start_room);
s_Flags(player, Flags(player) & ~WIZARD);
s_Pennies(player, Pennies(mudconf.guest_char));
s_Zone(player, Zone(mudconf.guest_char));
s_Parent(player, Parent(mudconf.guest_char));
/*
* Make sure the guest is locked.
*/
do_lock(player, player, A_LOCK, tprintf("#%d", player), "me");
do_lock(player, player, A_LENTER, tprintf("#%d", player), "me");
/*
* Copy all attributes.
*/
atr_cpy(GOD, player, mudconf.guest_char);
free_lbuf(buff);
return player;
}
// Returns 1 if successful, 0 otherwise
// Caller is responsible for freeing key and data
int ZSTLMapNextEnum(struct ZSTLMap *pm, struct ZSTLIterator *iterator, char **key, uint32_t *keylen, char **data, uint64_t *datalen)
{
ZSTLMapEntry_t *pme_return;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapNextEnum: pm=%p, iterator=%p, ", pm, iterator);
#endif
if (iterator->enum_entry == NULL) {
do_unlock(&(pm->mutex));
ZSTLFinishEnum(pm, iterator);
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "pdata=NULL, datalen=0\n");
#endif
*key = NULL;
*keylen = 0;
*data = NULL;
*datalen = 0;
return(0);
}
pme_return = iterator->enum_entry;
iterator->enum_entry = pme_return->next_lru;
if (pme_return != NULL) {
*key = pme_return->key;
*keylen = pme_return->keylen;
*data = (char *) pme_return->contents;
*datalen = pme_return->datalen;
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "key=%p, keylen=%d, pdata=%p, datalen=%ld, pme_return=%p\n", *key, *keylen, *data, *datalen, pme_return);
#endif
do_unlock(&(pm->mutex));
return(1);
} else {
ZSTLFinishEnum(pm, iterator);
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "pdata=NULL, datalen=0\n");
#endif
*key = NULL;
*keylen = 0;
*data = NULL;
*datalen = 0;
do_unlock(&(pm->mutex));
return(0);
}
}
int queue_pull( queue_t *queue ) {
int ret = 0x12344321;
int done = 0;
do_lock( &queue->operation_lock );
while ( queue_is_empty( queue ) ) {
do_unlock( &queue->operation_lock );
__asm__("hlt");
do_lock( &queue->operation_lock );
}
ret = queue->data[queue->tail];
queue->tail = QUEUE_WRAP( queue->tail + 1 );
done = 1;
do_unlock( &queue->operation_lock );
return ret;
}
// Returns non-NULL if successful, NULL otherwise
struct ZSTLMapEntry *ZSTLMapGet(struct ZSTLMap *pm, char *key, uint32_t keylen, char **pdata, uint64_t *pdatalen)
{
uint64_t datalen;
ZSTLMapEntry_t *pme;
char *data;
do_lock(&(pm->mutex));
pme = find_pme(pm, key, keylen, NULL);
if (pme != NULL) {
data = pme->contents;
datalen = pme->datalen;
// update the LRU list if necessary
if (pm->max_entries != 0) {
update_lru(pm, pme);
}
} else {
data = NULL;
datalen = 0;
}
#ifdef SANDISK_PRINTSTUFF
if (pme != NULL) {
fprintf(stderr, "ZSTLMapGet: pm=%p, key=0x%lx, keylen=%d, pdata=%p, datalen=%ld, refcnt=%d, pme=%p\n", pm, *((uint64_t *) key), keylen, data, datalen, pme->refcnt, pme);
} else {
fprintf(stderr, "ZSTLMapGet: pm=%p, key=0x%lx, keylen=%d, pdata=%p, datalen=%ld, pme=%p\n", pm, *((uint64_t *) key), keylen, data, datalen, pme);
}
#ifdef notdef
void* tracePtrs[100];
int count = backtrace( tracePtrs, 100 );
char** funcNames = backtrace_symbols( tracePtrs, count );
// Print the stack trace
printf("---------------------------------------------------------------------------\n");
for( int ii = 0; ii < count; ii++ ) {
printf( "%s\n", funcNames[ii] );
}
printf("---------------------------------------------------------------------------\n");
// Free the string pointers
free( funcNames );
#endif
#endif
do_unlock(&(pm->mutex));
*pdatalen = datalen;
*pdata = data;
return(pme);
}
void ZSTLFinishEnum(struct ZSTLMap *pm, struct ZSTLIterator *iterator)
{
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLFinishEnum: pm=%p, iterator=%p\n", pm, iterator);
#endif
free_iterator(pm, iterator);
pthread_mutex_unlock(&(pm->enum_mutex));
do_unlock(&(pm->mutex));
}
// Return non-NULL if success, NULL if object exists
struct ZSTLMapEntry *ZSTLMapCreate(struct ZSTLMap *pm, char *pkey, uint32_t keylen, char *pdata, uint64_t datalen)
{
ZSTLMapEntry_t *pme;
ZSTLMapBucket_t *pb;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapCreate: pm=%p, key=0x%lx, keylen=%d, pdata=%p, datalen=%ld, ", pm, *((uint64_t *) pkey), keylen, pdata, datalen);
#endif
pme = find_pme(pm, pkey, keylen, &pb);
if (pme != NULL) {
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "pme=%p\n", pme);
#endif
do_unlock(&(pm->mutex));
return(NULL);
}
/* Create a new entry. */
pme = create_pme(pm, pkey, keylen, pdata, datalen);
/* put myself on the bucket list */
pme->bucket = pb;
pme->next = pb->entry;
pb->entry = pme;
#ifdef LISTCHECK
check_list(pb, pme);
#endif
pm->n_entries++;
/* put myself on the lru list */
{
insert_lru(pm, pme);
if ((pm->max_entries > 0) && (pm->n_entries > pm->max_entries)) {
// do an LRU replacement
replace_lru(pm, pme);
}
}
do_unlock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "pme=%p\n", pme);
#endif
return(pme);
}
int ploop_global_lock(void)
{
if (access(PLOOP_GLOBAL_LOCK_FILE, F_OK)) {
if (access(PLOOP_LOCK_DIR, F_OK) &&
mkdir(PLOOP_LOCK_DIR, 0700) && errno != EEXIST) {
ploop_err(errno, "Failed to create " PLOOP_LOCK_DIR);
return -1;
}
if (create_file(PLOOP_GLOBAL_LOCK_FILE))
return -1;
}
return do_lock(PLOOP_GLOBAL_LOCK_FILE, 0);
}
NTSTATUS do_lock_spin(files_struct *fsp,
uint16 lock_pid,
SMB_BIG_UINT count,
SMB_BIG_UINT offset,
enum brl_type lock_type,
enum brl_flavour lock_flav,
BOOL *my_lock_ctx)
{
int j, maxj = lp_lock_spin_count();
int sleeptime = lp_lock_sleep_time();
NTSTATUS status, ret;
if (maxj <= 0) {
maxj = 1;
}
ret = NT_STATUS_OK; /* to keep dumb compilers happy */
for (j = 0; j < maxj; j++) {
status = do_lock(fsp,
lock_pid,
count,
offset,
lock_type,
lock_flav,
my_lock_ctx);
if (!NT_STATUS_EQUAL(status, NT_STATUS_LOCK_NOT_GRANTED) &&
!NT_STATUS_EQUAL(status, NT_STATUS_FILE_LOCK_CONFLICT)) {
return status;
}
/* if we do fail then return the first error code we got */
if (j == 0) {
ret = status;
/* Don't spin if we blocked ourselves. */
if (*my_lock_ctx) {
return ret;
}
/* Only spin for Windows locks. */
if (lock_flav == POSIX_LOCK) {
return ret;
}
}
if (sleeptime) {
sys_usleep(sleeptime);
}
}
return ret;
}
int
(ftrylockfile)(FILE * fp)
{
int ret = -1;
int idx = file_idx(fp);
struct file_lock *p;
/* Lock the hash table: */
_spinlock(&hash_lock);
/* Get a pointer to any existing lock for the file: */
if ((p = find_lock(idx, fp)) == NULL) {
/*
* The file is not locked, so this thread can
* grab the lock:
*/
p = do_lock(idx, fp);
/*
* The file is already locked, so check if the
* running thread is the owner:
*/
} else if (p->owner == pthread_self()) {
/*
* The running thread is already the
* owner, so increment the count of
* the number of times it has locked
* the file:
*/
p->count++;
} else {
/*
* The file is locked for another thread,
* so this try fails.
*/
p = NULL;
}
/* Unlock the hash table: */
_spinunlock(&hash_lock);
/* Check if the lock was obtained: */
if (p != NULL)
/* Return success: */
ret = 0;
return (ret);
}
int ploop_lock_di(struct ploop_disk_images_data *di)
{
char fname[PATH_MAX];
if (di == NULL)
return 0;
get_disk_descriptor_lock_fname(di, fname, sizeof(fname));
if (access(fname, F_OK)) {
if (create_file(fname))
return -1;
}
di->runtime->lckfd = do_lock(fname, LOCK_TIMEOUT);
if (di->runtime->lckfd == -1)
return -1;
return 0;
}
void
(flockfile)(FILE * fp)
{
int idx = file_idx(fp);
struct file_lock *p;
pthread_t self = pthread_self();
/* Lock the hash table: */
_spinlock(&hash_lock);
/* Get a pointer to any existing lock for the file: */
if ((p = find_lock(idx, fp)) == NULL) {
/*
* The file is not locked, so this thread can
* grab the lock:
*/
do_lock(idx, fp);
/*
* The file is already locked, so check if the
* running thread is the owner:
*/
} else if (p->owner == self) {
/*
* The running thread is already the
* owner, so increment the count of
* the number of times it has locked
* the file:
*/
p->count++;
} else {
/*
* The file is locked for another thread.
* Append this thread to the queue of
* threads waiting on the lock.
*/
TAILQ_INSERT_TAIL(&p->lockers,self,waiting);
while (p->owner != self) {
__thrsleep(self, 0 | _USING_TICKETS, NULL,
&hash_lock.ticket, NULL);
_spinlock(&hash_lock);
}
}
/* Unlock the hash table: */
_spinunlock(&hash_lock);
}
// Decrement the reference count for this entry
int ZSTLMapReleaseEntry(struct ZSTLMap *pm, struct ZSTLMapEntry *pme)
{
int rc = 0;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapReleaseEntry: pm=%p, pme=%p\n", pm, pme);
#endif
if (pme != NULL) {
(pme->refcnt)--;
rc = 1;
}
do_unlock(&(pm->mutex));
return(rc);
}
int
create_fv_user(int argc, char * const *argv)
{
char *keychainName = NULL;
int ch, result = 0;
Boolean lockAll = FALSE;
while ((ch = getopt(argc, argv, "ah")) != -1)
{
switch (ch)
{
case 'a':
lockAll = TRUE;
break;
case '?':
default:
return 2; /* @@@ Return 2 triggers usage message. */
}
}
argc -= optind;
argv += optind;
if (argc == 1 && !lockAll)
{
keychainName = argv[0];
if (*keychainName == '\0')
{
result = 2;
goto loser;
}
}
else if (argc != 0)
return 2;
if (lockAll)
result = do_lock_all();
else
result = do_lock(keychainName);
loser:
return result;
}
void ZSTLMapCheckRefcnts(struct ZSTLMap *pm)
{
uint64_t i;
ZSTLMapEntry_t *pme;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapCheckRefcnts: pm=%p\n", pm);
#endif
for (i=0; i<pm->nbuckets; i++) {
for (pme = pm->buckets[i].entry; pme != NULL; pme = pme->next) {
if (pme->refcnt != 0) {
fprintf(stderr, "***************** ZSTLMapCheckRefcnts: [pm=%p]: key 0x%lx refcnt=%d!\n", pm, *((uint64_t *) pme->key), pme->refcnt);
}
}
}
do_unlock(&(pm->mutex));
}
static bool process_trans2(struct blocking_lock_record *blr)
{
char params[2];
NTSTATUS status;
struct byte_range_lock *br_lck = do_lock(
blr->fsp->conn->sconn->msg_ctx,
blr->fsp,
blr->smblctx,
blr->count,
blr->offset,
blr->lock_type,
blr->lock_flav,
True,
&status,
&blr->blocking_smblctx,
blr);
TALLOC_FREE(br_lck);
if (!NT_STATUS_IS_OK(status)) {
if (ERROR_WAS_LOCK_DENIED(status)) {
/* Still can't get the lock, just keep waiting. */
return False;
}
/*
* We have other than a "can't get lock"
* error. Send an error and return True so we get dequeued.
*/
blocking_lock_reply_error(blr, status);
return True;
}
/* We finally got the lock, return success. */
SSVAL(params,0,0);
/* Fake up max_data_bytes here - we know it fits. */
send_trans2_replies(blr->fsp->conn, blr->req, NT_STATUS_OK, params, 2, NULL, 0, 0xffff);
return True;
}
/* Return 0 if succeeds, 1 if object doesn't exist.
*/
int ZSTLMapDelete(struct ZSTLMap *pm, char *key, uint32_t keylen)
{
uint64_t h;
ZSTLMapEntry_t **ppme;
ZSTLMapEntry_t *pme;
ZSTLMapBucket_t *pb;
char *key2;
key2 = (char *) *((uint64_t *) key);
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapDelete: pm=%p, key=0x%lx, keylen=%d\n", pm, *((uint64_t *) key), keylen);
#endif
h = zs_hash((const unsigned char *) key, sizeof(uint64_t), 0) % pm->nbuckets;
pb = &(pm->buckets[h]);
zstlmap_assert(keylen == 8); // remove this! xxxzzz
for (ppme = &(pb->entry); (*ppme) != NULL; ppme = &((*ppme)->next)) {
pme = *ppme;
if (pme->key == key2) {
// Remove from the LRU list if necessary
remove_lru(pm, pme);
pm->n_entries--;
*ppme = pme->next;
free_pme(pm, pme);
do_unlock(&(pm->mutex));
return (0);
}
}
do_unlock(&(pm->mutex));
return (1);
}
void ZSTLMapClear(struct ZSTLMap *pm)
{
ZSTLMapEntry_t *pme, *pme_next;
do_lock(&(pm->mutex));
#ifdef SANDISK_PRINTSTUFF
fprintf(stderr, "ZSTLMapClear: pm=%p\n", pm);
#endif
// Go through LRU list and free entries
// This is much faster than examining all of the buckets!
for (pme=pm->lru_head; pme != NULL; pme = pme_next) {
pme_next = pme->next_lru;
pme->bucket->entry = NULL;
free_pme(pm, pme);
}
pm->n_entries = 0;
pm->lru_head = NULL;
pm->lru_tail = NULL;
do_unlock(&(pm->mutex));
}
static void do_action(int action, struct cardstate *cs,
struct bc_state *bcs,
struct at_state_t **p_at_state, char **pp_command,
int *p_genresp, int *p_resp_code,
struct event_t *ev)
{
struct at_state_t *at_state = *p_at_state;
struct bc_state *bcs2;
unsigned long flags;
int channel;
unsigned char *s, *e;
int i;
unsigned long val;
switch (action) {
case ACT_NOTHING:
break;
case ACT_TIMEOUT:
at_state->waiting = 1;
break;
case ACT_INIT:
cs->at_state.pending_commands &= ~PC_INIT;
cs->cur_at_seq = SEQ_NONE;
cs->mode = M_UNIMODEM;
spin_lock_irqsave(&cs->lock, flags);
if (!cs->cidmode) {
spin_unlock_irqrestore(&cs->lock, flags);
gigaset_free_channels(cs);
cs->mstate = MS_READY;
break;
}
spin_unlock_irqrestore(&cs->lock, flags);
cs->at_state.pending_commands |= PC_CIDMODE;
gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
cs->commands_pending = 1;
break;
case ACT_FAILINIT:
dev_warn(cs->dev, "Could not initialize the device.\n");
cs->dle = 0;
init_failed(cs, M_UNKNOWN);
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_CONFIGMODE:
init_failed(cs, M_CONFIG);
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_SETDLE1:
cs->dle = 1;
/* cs->inbuf[0].inputstate |= INS_command | INS_DLE_command; */
cs->inbuf[0].inputstate &=
~(INS_command | INS_DLE_command);
break;
case ACT_SETDLE0:
cs->dle = 0;
cs->inbuf[0].inputstate =
(cs->inbuf[0].inputstate & ~INS_DLE_command)
| INS_command;
break;
case ACT_CMODESET:
if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) {
gigaset_free_channels(cs);
cs->mstate = MS_READY;
}
cs->mode = M_CID;
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_UMODESET:
cs->mode = M_UNIMODEM;
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_FAILCMODE:
cs->cur_at_seq = SEQ_NONE;
if (cs->mstate == MS_INIT || cs->mstate == MS_RECOVER) {
init_failed(cs, M_UNKNOWN);
break;
}
if (reinit_and_retry(cs, -1) < 0)
schedule_init(cs, MS_RECOVER);
break;
case ACT_FAILUMODE:
cs->cur_at_seq = SEQ_NONE;
schedule_init(cs, MS_RECOVER);
break;
case ACT_HUPMODEM:
/* send "+++" (hangup in unimodem mode) */
if (cs->connected) {
struct cmdbuf_t *cb;
cb = kmalloc(sizeof(struct cmdbuf_t) + 3, GFP_ATOMIC);
if (!cb) {
dev_err(cs->dev, "%s: out of memory\n",
__func__);
return;
}
memcpy(cb->buf, "+++", 3);
cb->len = 3;
cb->offset = 0;
cb->next = NULL;
cb->wake_tasklet = NULL;
cs->ops->write_cmd(cs, cb);
}
break;
case ACT_RING:
/* get fresh AT state structure for new CID */
at_state = get_free_channel(cs, ev->parameter);
if (!at_state) {
dev_warn(cs->dev,
"RING ignored: could not allocate channel structure\n");
break;
}
/* initialize AT state structure
* note that bcs may be NULL if no B channel is free
*/
at_state->ConState = 700;
for (i = 0; i < STR_NUM; ++i) {
kfree(at_state->str_var[i]);
at_state->str_var[i] = NULL;
}
at_state->int_var[VAR_ZCTP] = -1;
spin_lock_irqsave(&cs->lock, flags);
at_state->timer_expires = RING_TIMEOUT;
at_state->timer_active = 1;
spin_unlock_irqrestore(&cs->lock, flags);
break;
case ACT_ICALL:
handle_icall(cs, bcs, at_state);
break;
case ACT_FAILSDOWN:
dev_warn(cs->dev, "Could not shut down the device.\n");
/* fall through */
case ACT_FAKESDOWN:
case ACT_SDOWN:
cs->cur_at_seq = SEQ_NONE;
finish_shutdown(cs);
break;
case ACT_CONNECT:
if (cs->onechannel) {
at_state->pending_commands |= PC_DLE1;
cs->commands_pending = 1;
break;
}
bcs->chstate |= CHS_D_UP;
gigaset_isdn_connD(bcs);
cs->ops->init_bchannel(bcs);
break;
case ACT_DLE1:
cs->cur_at_seq = SEQ_NONE;
bcs = cs->bcs + cs->curchannel;
bcs->chstate |= CHS_D_UP;
gigaset_isdn_connD(bcs);
cs->ops->init_bchannel(bcs);
break;
case ACT_FAKEHUP:
at_state->int_var[VAR_ZSAU] = ZSAU_NULL;
/* fall through */
case ACT_DISCONNECT:
cs->cur_at_seq = SEQ_NONE;
at_state->cid = -1;
if (!bcs) {
disconnect_nobc(p_at_state, cs);
} else if (cs->onechannel && cs->dle) {
/* Check for other open channels not needed:
* DLE only used for M10x with one B channel.
*/
at_state->pending_commands |= PC_DLE0;
cs->commands_pending = 1;
} else {
disconnect_bc(at_state, cs, bcs);
}
break;
case ACT_FAKEDLE0:
at_state->int_var[VAR_ZDLE] = 0;
cs->dle = 0;
/* fall through */
case ACT_DLE0:
cs->cur_at_seq = SEQ_NONE;
bcs2 = cs->bcs + cs->curchannel;
disconnect_bc(&bcs2->at_state, cs, bcs2);
break;
case ACT_ABORTHUP:
cs->cur_at_seq = SEQ_NONE;
dev_warn(cs->dev, "Could not hang up.\n");
at_state->cid = -1;
if (!bcs)
disconnect_nobc(p_at_state, cs);
else if (cs->onechannel)
at_state->pending_commands |= PC_DLE0;
else
disconnect_bc(at_state, cs, bcs);
schedule_init(cs, MS_RECOVER);
break;
case ACT_FAILDLE0:
cs->cur_at_seq = SEQ_NONE;
dev_warn(cs->dev, "Error leaving DLE mode.\n");
cs->dle = 0;
bcs2 = cs->bcs + cs->curchannel;
disconnect_bc(&bcs2->at_state, cs, bcs2);
schedule_init(cs, MS_RECOVER);
break;
case ACT_FAILDLE1:
cs->cur_at_seq = SEQ_NONE;
dev_warn(cs->dev,
"Could not enter DLE mode. Trying to hang up.\n");
channel = cs->curchannel;
cs->bcs[channel].at_state.pending_commands |= PC_HUP;
cs->commands_pending = 1;
break;
case ACT_CID: /* got cid; start dialing */
cs->cur_at_seq = SEQ_NONE;
channel = cs->curchannel;
if (ev->parameter > 0 && ev->parameter <= 65535) {
cs->bcs[channel].at_state.cid = ev->parameter;
cs->bcs[channel].at_state.pending_commands |=
PC_DIAL;
cs->commands_pending = 1;
break;
}
/* bad cid: fall through */
case ACT_FAILCID:
cs->cur_at_seq = SEQ_NONE;
channel = cs->curchannel;
if (reinit_and_retry(cs, channel) < 0) {
dev_warn(cs->dev,
"Could not get a call ID. Cannot dial.\n");
bcs2 = cs->bcs + channel;
disconnect_bc(&bcs2->at_state, cs, bcs2);
}
break;
case ACT_ABORTCID:
cs->cur_at_seq = SEQ_NONE;
bcs2 = cs->bcs + cs->curchannel;
disconnect_bc(&bcs2->at_state, cs, bcs2);
break;
case ACT_DIALING:
case ACT_ACCEPTED:
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL procssng */
if (bcs)
disconnect_bc(at_state, cs, bcs);
else
disconnect_nobc(p_at_state, cs);
break;
case ACT_ABORTDIAL: /* error/timeout during dial preparation */
cs->cur_at_seq = SEQ_NONE;
at_state->pending_commands |= PC_HUP;
cs->commands_pending = 1;
break;
case ACT_REMOTEREJECT: /* DISCONNECT_IND after dialling */
case ACT_CONNTIMEOUT: /* timeout waiting for ZSAU=ACTIVE */
case ACT_REMOTEHUP: /* DISCONNECT_IND with established connection */
at_state->pending_commands |= PC_HUP;
cs->commands_pending = 1;
break;
case ACT_GETSTRING: /* warning: RING, ZDLE, ...
are not handled properly anymore */
at_state->getstring = 1;
break;
case ACT_SETVER:
if (!ev->ptr) {
*p_genresp = 1;
*p_resp_code = RSP_ERROR;
break;
}
s = ev->ptr;
if (!strcmp(s, "OK")) {
/* OK without version string: assume old response */
*p_genresp = 1;
*p_resp_code = RSP_NONE;
break;
}
for (i = 0; i < 4; ++i) {
val = simple_strtoul(s, (char **) &e, 10);
if (val > INT_MAX || e == s)
break;
if (i == 3) {
if (*e)
break;
} else if (*e != '.')
break;
else
s = e + 1;
cs->fwver[i] = val;
}
if (i != 4) {
*p_genresp = 1;
*p_resp_code = RSP_ERROR;
break;
}
cs->gotfwver = 0;
break;
case ACT_GOTVER:
if (cs->gotfwver == 0) {
cs->gotfwver = 1;
gig_dbg(DEBUG_EVENT,
"firmware version %02d.%03d.%02d.%02d",
cs->fwver[0], cs->fwver[1],
cs->fwver[2], cs->fwver[3]);
break;
}
/* fall through */
case ACT_FAILVER:
cs->gotfwver = -1;
dev_err(cs->dev, "could not read firmware version.\n");
break;
case ACT_ERROR:
gig_dbg(DEBUG_ANY, "%s: ERROR response in ConState %d",
__func__, at_state->ConState);
cs->cur_at_seq = SEQ_NONE;
break;
case ACT_DEBUG:
gig_dbg(DEBUG_ANY, "%s: resp_code %d in ConState %d",
__func__, ev->type, at_state->ConState);
break;
case ACT_WARN:
dev_warn(cs->dev, "%s: resp_code %d in ConState %d!\n",
__func__, ev->type, at_state->ConState);
break;
case ACT_ZCAU:
dev_warn(cs->dev, "cause code %04x in connection state %d.\n",
ev->parameter, at_state->ConState);
break;
/* events from the LL */
case ACT_DIAL:
if (!ev->ptr) {
*p_genresp = 1;
*p_resp_code = RSP_ERROR;
break;
}
start_dial(at_state, ev->ptr, ev->parameter);
break;
case ACT_ACCEPT:
start_accept(at_state);
break;
case ACT_HUP:
at_state->pending_commands |= PC_HUP;
gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP");
cs->commands_pending = 1;
break;
/* hotplug events */
case ACT_STOP:
do_stop(cs);
break;
case ACT_START:
do_start(cs);
break;
/* events from the interface */
case ACT_IF_LOCK:
cs->cmd_result = ev->parameter ? do_lock(cs) : do_unlock(cs);
cs->waiting = 0;
wake_up(&cs->waitqueue);
break;
case ACT_IF_VER:
if (ev->parameter != 0)
cs->cmd_result = -EINVAL;
else if (cs->gotfwver != 1) {
cs->cmd_result = -ENOENT;
} else {
memcpy(ev->arg, cs->fwver, sizeof cs->fwver);
cs->cmd_result = 0;
}
cs->waiting = 0;
wake_up(&cs->waitqueue);
break;
/* events from the proc file system */
case ACT_PROC_CIDMODE:
spin_lock_irqsave(&cs->lock, flags);
if (ev->parameter != cs->cidmode) {
cs->cidmode = ev->parameter;
if (ev->parameter) {
cs->at_state.pending_commands |= PC_CIDMODE;
gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
} else {
cs->at_state.pending_commands |= PC_UMMODE;
gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
}
cs->commands_pending = 1;
}
spin_unlock_irqrestore(&cs->lock, flags);
cs->waiting = 0;
wake_up(&cs->waitqueue);
break;
/* events from the hardware drivers */
case ACT_NOTIFY_BC_DOWN:
bchannel_down(bcs);
break;
case ACT_NOTIFY_BC_UP:
bchannel_up(bcs);
break;
case ACT_SHUTDOWN:
do_shutdown(cs);
break;
default:
if (action >= ACT_CMD && action < ACT_CMD + AT_NUM) {
*pp_command = at_state->bcs->commands[action - ACT_CMD];
if (!*pp_command) {
*p_genresp = 1;
*p_resp_code = RSP_NULL;
}
} else
dev_err(cs->dev, "%s: action==%d!\n", __func__, action);
}
}
static int
exec_lock_unlock(int argc, char **argv, enum action action)
{
struct pkgdb *db = NULL;
struct pkgdb_it *it = NULL;
struct pkg *pkg = NULL;
const char *pkgname;
int match = MATCH_EXACT;
int retcode;
int exitcode = EX_OK;
int ch;
bool show_locked = false;
struct option longopts[] = {
{ "all", no_argument, NULL, 'a' },
{ "case-sensitive", no_argument, NULL, 'C' },
{ "glob", no_argument, NULL, 'g' },
{ "show-locked", no_argument, NULL, 'l' },
{ "quiet", no_argument, NULL, 'q' },
{ "regex", no_argument, NULL, 'x' },
{ "yes", no_argument, NULL, 'y' },
{ NULL, 0, NULL, 0 },
};
while ((ch = getopt_long(argc, argv, "aCgilqxy", longopts, NULL)) != -1) {
switch (ch) {
case 'a':
match = MATCH_ALL;
break;
case 'C':
pkgdb_set_case_sensitivity(true);
break;
case 'g':
match = MATCH_GLOB;
break;
case 'i':
pkgdb_set_case_sensitivity(false);
break;
case 'l':
show_locked = true;
break;
case 'q':
quiet = true;
break;
case 'x':
match = MATCH_REGEX;
break;
case 'y':
yes = true;
break;
default:
usage_lock();
return (EX_USAGE);
}
}
argc -= optind;
argv += optind;
if (!(match == MATCH_ALL && argc == 0) && argc != 1 && !show_locked) {
usage_lock();
return (EX_USAGE);
}
if (match == MATCH_ALL)
pkgname = NULL;
else
pkgname = argv[0];
retcode = pkgdb_access(PKGDB_MODE_READ|PKGDB_MODE_WRITE,
PKGDB_DB_LOCAL);
if (retcode == EPKG_ENODB) {
if (match == MATCH_ALL)
return (EX_OK);
if (!quiet)
warnx("No packages installed. Nothing to do!");
return (EX_OK);
} else if (retcode == EPKG_ENOACCESS) {
warnx("Insufficient privileges to modify the package database");
return (EX_NOPERM);
} else if (retcode != EPKG_OK) {
warnx("Error accessing the package database");
return (EX_SOFTWARE);
}
retcode = pkgdb_open(&db, PKGDB_DEFAULT);
if (retcode != EPKG_OK)
return (EX_IOERR);
if (pkgdb_obtain_lock(db, PKGDB_LOCK_EXCLUSIVE) != EPKG_OK) {
pkgdb_close(db);
warnx("Cannot get an exclusive lock on database. "
"It is locked by another process");
return (EX_TEMPFAIL);
}
if (match == MATCH_ALL || argc != 0) {
if ((it = pkgdb_query(db, pkgname, match)) == NULL) {
exitcode = EX_IOERR;
goto cleanup;
}
while ((retcode = pkgdb_it_next(it, &pkg, 0)) == EPKG_OK) {
if (action == LOCK)
retcode = do_lock(db, pkg);
else
retcode = do_unlock(db, pkg);
if (retcode != EPKG_OK) {
exitcode = EX_IOERR;
goto cleanup;
}
}
}
if (show_locked)
retcode = list_locked(db);
if (retcode != EPKG_END)
exitcode = EX_IOERR;
cleanup:
if (pkg != NULL)
pkg_free(pkg);
if (it != NULL)
pkgdb_it_free(it);
pkgdb_release_lock(db, PKGDB_LOCK_EXCLUSIVE);
pkgdb_close(db);
return (exitcode);
}