/*----------------------------------------------------------------------------*/
static void lcd_sb()
{
E(1);
sys_usleep(15);
E(0);
sys_usleep(5);
}
static WERROR watch_service_state(struct rpc_pipe_client *pipe_hnd,
TALLOC_CTX *mem_ctx,
struct policy_handle *hSCM,
const char *service,
uint32 watch_state,
uint32 *final_state )
{
uint32 i;
uint32 state = 0;
WERROR result = WERR_GENERAL_FAILURE;
i = 0;
while ( (state != watch_state ) && i<30 ) {
/* get the status */
result = query_service_state(pipe_hnd, mem_ctx, hSCM, service, &state );
if ( !W_ERROR_IS_OK(result) ) {
break;
}
d_printf(".");
i++;
sys_usleep( 100 );
}
d_printf("\n");
*final_state = state;
return result;
}
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;
}
bool status_profile_rates(bool verbose)
{
SMB_BIG_UINT remain_usec;
SMB_BIG_UINT next_usec;
SMB_BIG_UINT delta_usec;
int last = 0;
int current = 1;
int tmp;
if (verbose) {
fprintf(stderr, "Sampling stats at %d sec intervals\n",
usec_to_sec(sample_interval_usec));
}
if (!profile_setup(NULL, True)) {
fprintf(stderr,"Failed to initialise profile memory\n");
return False;
}
memcpy(&sample_data[last], profile_p, sizeof(*profile_p));
for (;;) {
sample_time[current] = profile_timestamp();
next_usec = sample_time[current] + sample_interval_usec;
/* Take a sample. */
memcpy(&sample_data[current], profile_p, sizeof(*profile_p));
/* Rate convert some values and print results. */
delta_usec = sample_time[current] - sample_time[last];
if (print_count_samples(&sample_data[current],
&sample_data[last], delta_usec)) {
printf("\n");
}
/* Swap sampling buffers. */
tmp = last;
last = current;
current = tmp;
/* Delay until next sample time. */
remain_usec = next_usec - profile_timestamp();
if (remain_usec > sample_interval_usec) {
fprintf(stderr, "eek! falling behind sampling rate!\n");
} else {
if (verbose) {
fprintf(stderr,
"delaying for %lu msec\n",
(unsigned long )usec_to_msec(remain_usec));
}
sys_usleep(remain_usec);
}
}
return True;
}
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;
}
static FILE *startsmbfilepwent(const char *pfile, enum pwf_access_type type, int *lock_depth)
{
FILE *fp = NULL;
const char *open_mode = NULL;
int race_loop = 0;
int lock_type = F_RDLCK;
if (!*pfile) {
DEBUG(0, ("startsmbfilepwent: No SMB password file set\n"));
return (NULL);
}
switch(type) {
case PWF_READ:
open_mode = "rb";
lock_type = F_RDLCK;
break;
case PWF_UPDATE:
open_mode = "r+b";
lock_type = F_WRLCK;
break;
case PWF_CREATE:
/*
* Ensure atomic file creation.
*/
{
int i, fd = -1;
for(i = 0; i < 5; i++) {
if((fd = sys_open(pfile, O_CREAT|O_TRUNC|O_EXCL|O_RDWR, 0600))!=-1) {
break;
}
sys_usleep(200); /* Spin, spin... */
}
if(fd == -1) {
DEBUG(0,("startsmbfilepwent_internal: too many race conditions \
creating file %s\n", pfile));
return NULL;
}
close(fd);
open_mode = "r+b";
lock_type = F_WRLCK;
break;
}
}
