8af6c228f8
either use NPTL or else not share database connections across threads. FossilOrigin-Name: e294b696ba91512b1ca5547774c51ea07b4cb5bc
125 lines
2.6 KiB
Plaintext
125 lines
2.6 KiB
Plaintext
# 2006 January 14
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is multithreading behavior
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#
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# $Id: thread2.test,v 1.3 2008/10/07 15:25:49 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !mutex {
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finish_test
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return
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}
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# Skip this whole file if the thread testing code is not enabled
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#
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if {[llength [info command thread_step]]==0 || [sqlite3 -has-codec]} {
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finish_test
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return
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}
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# Create some data to work with
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#
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do_test thread1-1.1 {
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execsql {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,'abcdefgh');
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INSERT INTO t1 SELECT a+1, b||b FROM t1;
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INSERT INTO t1 SELECT a+2, b||b FROM t1;
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INSERT INTO t1 SELECT a+4, b||b FROM t1;
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SELECT count(*), max(length(b)) FROM t1;
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}
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} {8 64}
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# Use the thread_swap command to move the database connections between
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# threads, then verify that they still work.
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#
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do_test thread2-1.2 {
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db close
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thread_create A test.db
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thread_create B test.db
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thread_swap A B
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thread_compile A {SELECT a FROM t1 LIMIT 1}
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thread_result A
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} {SQLITE_OK}
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do_test thread2-1.3 {
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thread_step A
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thread_result A
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} {SQLITE_ROW}
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do_test thread2-1.4 {
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thread_argv A 0
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} {1}
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do_test thread2-1.5 {
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thread_finalize A
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thread_result A
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} {SQLITE_OK}
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do_test thread2-1.6 {
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thread_compile B {SELECT a FROM t1 LIMIT 1}
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thread_result B
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} {SQLITE_OK}
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do_test thread2-1.7 {
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thread_step B
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thread_result B
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} {SQLITE_ROW}
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do_test thread2-1.8 {
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thread_argv B 0
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} {1}
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do_test thread2-1.9 {
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thread_finalize B
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thread_result B
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} {SQLITE_OK}
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# Swap them again.
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#
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do_test thread2-2.2 {
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thread_swap A B
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thread_compile A {SELECT a FROM t1 LIMIT 1}
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thread_result A
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} {SQLITE_OK}
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do_test thread2-2.3 {
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thread_step A
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thread_result A
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} {SQLITE_ROW}
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do_test thread2-2.4 {
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thread_argv A 0
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} {1}
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do_test thread2-2.5 {
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thread_finalize A
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thread_result A
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} {SQLITE_OK}
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do_test thread2-2.6 {
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thread_compile B {SELECT a FROM t1 LIMIT 1}
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thread_result B
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} {SQLITE_OK}
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do_test thread2-2.7 {
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thread_step B
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thread_result B
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} {SQLITE_ROW}
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do_test thread2-2.8 {
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thread_argv B 0
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} {1}
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do_test thread2-2.9 {
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thread_finalize B
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thread_result B
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} {SQLITE_OK}
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thread_halt A
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thread_halt B
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# Also important to halt the worker threads, which are using spin
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# locks and eating away CPU cycles.
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#
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thread_halt *
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finish_test
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