C++ (Cpp) lp_lock_sleep_timeの例

コード例 #1

ファイル: locking.c プロジェクト: livebox/livebox2

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;
}

コード例 #2

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;
}