On 8 May 2016, at 3:14am, just_rookie <925345468 at qq.com> wrote: > But when I ran the program in Linux, I got an error message from > sqlite3_exec() that ?database is locked?.
You have not set a timeout, so SQLite is quitting as soon as it is told that another thread/process has the database locked. Set a timeout by executing PRAGMA busy_timeout = 5000 immediately after opening your connection to the database. Simon.
