106 lines
2.6 KiB
Plaintext
106 lines
2.6 KiB
Plaintext
# 2007 September 10
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
#
|
|
# This test attempts to deadlock SQLite in shared-cache mode.
|
|
#
|
|
#
|
|
# $Id: thread002.test,v 1.1 2007/09/10 10:53:02 danielk1977 Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
|
|
source $testdir/tester.tcl
|
|
source $testdir/thread_common.tcl
|
|
if {[info commands sqlthread] eq ""} {
|
|
return
|
|
}
|
|
|
|
db close
|
|
sqlite3_enable_shared_cache 1
|
|
|
|
set ::NTHREAD 10
|
|
|
|
do_test thread002.1 {
|
|
# Create 3 databases with identical schemas:
|
|
for {set ii 0} {$ii < 3} {incr ii} {
|
|
file delete -force test${ii}.db
|
|
sqlite3 db test${ii}.db
|
|
execsql {
|
|
CREATE TABLE t1(k, v);
|
|
CREATE INDEX t1_i ON t1(v);
|
|
INSERT INTO t1(v) VALUES(1.0);
|
|
}
|
|
db close
|
|
}
|
|
} {}
|
|
|
|
set thread_program {
|
|
set ::DB [sqlite3_open test.db]
|
|
for {set ii 1} {$ii <= 3} {incr ii} {
|
|
set T [lindex $order [expr $ii-1]]
|
|
execsql "ATTACH 'test${T}.db' AS aux${ii}"
|
|
}
|
|
|
|
for {set ii 0} {$ii < 100} {incr ii} {
|
|
execsql { SELECT * FROM aux1.t1 }
|
|
execsql { INSERT INTO aux1.t1(v) SELECT sum(v) FROM aux2.t1 }
|
|
|
|
execsql { SELECT * FROM aux2.t1 }
|
|
execsql { INSERT INTO aux2.t1(v) SELECT sum(v) FROM aux3.t1 }
|
|
|
|
execsql { SELECT * FROM aux3.t1 }
|
|
execsql { INSERT INTO aux3.t1(v) SELECT sum(v) FROM aux1.t1 }
|
|
|
|
execsql { CREATE TABLE aux1.t2(a,b) }
|
|
execsql { DROP TABLE aux1.t2 }
|
|
|
|
# if {($ii%10)==0} {puts -nonewline . ; flush stdout}
|
|
puts -nonewline . ; flush stdout
|
|
}
|
|
|
|
sqlite3_close $::DB
|
|
list OK
|
|
}
|
|
|
|
set order_list [list {0 1 2} {0 2 1} {1 0 2} {1 2 0} {2 0 1} {2 1 0}]
|
|
|
|
array unset finished
|
|
for {set ii 0} {$ii < $::NTHREAD} {incr ii} {
|
|
set order [lindex $order_list [expr $ii%6]]
|
|
thread_spawn finished($ii) $thread_procs "set order {$order}" $thread_program
|
|
}
|
|
|
|
# Wait for all threads to finish, then check they all returned "OK".
|
|
#
|
|
for {set i 0} {$i < $::NTHREAD} {incr i} {
|
|
if {![info exists finished($i)]} {
|
|
vwait finished($i)
|
|
}
|
|
do_test thread001.2.$i {
|
|
set ::finished($i)
|
|
} OK
|
|
}
|
|
|
|
# Check all three databases are Ok.
|
|
for {set ii 0} {$ii < 3} {incr ii} {
|
|
do_test thread002.3.$ii {
|
|
sqlite3 db test${ii}.db
|
|
set res [list \
|
|
[execsql {SELECT count(*) FROM t1}] \
|
|
[execsql {PRAGMA integrity_check}] \
|
|
]
|
|
db close
|
|
set res
|
|
} [list [expr 1 + $::NTHREAD*100] ok]
|
|
}
|
|
|
|
finish_test
|
|
|