wasCSharpSQLite – Blame information for rev 7
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | office | 1 | # 2007 September 10
|
2 | #
|
||
3 | # The author disclaims copyright to this source code. In place of
|
||
4 | # a legal notice, here is a blessing:
|
||
5 | #
|
||
6 | # May you do good and not evil.
|
||
7 | # May you find forgiveness for yourself and forgive others.
|
||
8 | # May you share freely, never taking more than you give.
|
||
9 | #
|
||
10 | #***********************************************************************
|
||
11 | #
|
||
12 | # $Id: thread_common.tcl,v 1.5 2009/03/26 14:48:07 danielk1977 Exp $
|
||
13 | |||
14 | if {[info exists ::thread_procs]} { |
||
15 | return 0 |
||
16 | } |
||
17 | |||
18 | # The following script is sourced by every thread spawned using
|
||
19 | # [sqlthread spawn]:
|
||
20 | set thread_procs { |
||
21 | |||
22 | # Execute the supplied SQL using database handle $::DB.
|
||
23 | #
|
||
24 | proc execsql {sql} { |
||
25 | |||
26 | set rc SQLITE_LOCKED |
||
27 | while {$rc eq "SQLITE_LOCKED" |
||
28 | || $rc eq "SQLITE_BUSY" |
||
29 | || $rc eq "SQLITE_SCHEMA"} { |
||
30 | set res [list] |
||
31 | |||
32 | enter_db_mutex $::DB |
||
33 | set err [catch { |
||
34 | set ::STMT [sqlite3_prepare_v2 $::DB $sql -1 dummy_tail] |
||
35 | } msg] |
||
36 | |||
37 | if {$err == 0} { |
||
38 | while {[set rc [sqlite3_step $::STMT]] eq "SQLITE_ROW"} { |
||
39 | for {set i 0} {$i < [sqlite3_column_count $::STMT]} {incr i} { |
||
40 | lappend res [sqlite3_column_text $::STMT 0] |
||
41 | } |
||
42 | } |
||
43 | set rc [sqlite3_finalize $::STMT] |
||
44 | } else { |
||
45 | if {[lindex $msg 0]=="(6)"} { |
||
46 | set rc SQLITE_LOCKED |
||
47 | } else { |
||
48 | set rc SQLITE_ERROR |
||
49 | } |
||
50 | } |
||
51 | |||
52 | if {[string first locked [sqlite3_errmsg $::DB]]>=0} { |
||
53 | set rc SQLITE_LOCKED |
||
54 | } |
||
55 | if {$rc ne "SQLITE_OK"} { |
||
56 | set errtxt "$rc - [sqlite3_errmsg $::DB] (debug1)" |
||
57 | } |
||
58 | leave_db_mutex $::DB |
||
59 | |||
60 | if {$rc eq "SQLITE_LOCKED" || $rc eq "SQLITE_BUSY"} { |
||
61 | #sqlthread parent "puts \"thread [sqlthread id] is busy. rc=$rc\""
|
||
62 | after 200 |
||
63 | } else { |
||
64 | #sqlthread parent "puts \"thread [sqlthread id] ran $sql\""
|
||
65 | } |
||
66 | } |
||
67 | |||
68 | if {$rc ne "SQLITE_OK"} { |
||
69 | error $errtxt |
||
70 | } |
||
71 | set res |
||
72 | } |
||
73 | |||
74 | proc do_test {name script result} { |
||
75 | set res [eval $script] |
||
76 | if {$res ne $result} { |
||
77 | error "$name failed: expected \"$result\" got \"$res\"" |
||
78 | } |
||
79 | } |
||
80 | } |
||
81 | |||
82 | proc thread_spawn {varname args} { |
||
83 | sqlthread spawn $varname [join $args {;}] |
||
84 | } |
||
85 | |||
86 | # Return true if this build can run the multi-threaded tests.
|
||
87 | #
|
||
88 | proc run_thread_tests {{print_warning 0}} { |
||
89 | ifcapable !mutex { |
||
90 | set zProblem "SQLite build is not threadsafe" |
||
91 | } |
||
92 | ifcapable mutex_noop { |
||
93 | set zProblem "SQLite build uses SQLITE_MUTEX_NOOP" |
||
94 | } |
||
95 | if {[info commands sqlthread] eq ""} { |
||
96 | set zProblem "SQLite build is not threadsafe" |
||
97 | } |
||
98 | if {![info exists ::tcl_platform(threaded)]} { |
||
99 | set zProblem "Linked against a non-threadsafe Tcl build" |
||
100 | } |
||
101 | if {[info exists zProblem]} { |
||
102 | puts "WARNING: Multi-threaded tests skipped: $zProblem" |
||
103 | return 0 |
||
104 | } |
||
105 | set ::run_thread_tests_called 1 |
||
106 | return 1; |
||
107 | } |
||
108 | |||
109 | return 0 |
||
110 |