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63 lines
1.9 KiB
Tcl
63 lines
1.9 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2000, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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# This is a very cut down version of wrap.tcl. We don't want to
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# use wrap.tcl because that will create yet another Tcl subprocess
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# to execute the test. We want to open the test program directly
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# here so that we get the pid for the program (not the Tcl shell)
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# and watch_procs can kill the program if needed.
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source ./include.tcl
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source $test_path/test.tcl
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# Arguments:
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if { $argc != 3 } {
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puts "FAIL: wrap_reptest.tcl: Usage: wrap_reptest.tcl argfile dir log"
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exit
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}
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set argfile [lindex $argv 0]
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set homedir [lindex $argv 1]
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set logfile [lindex $argv 2]
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# Create a sentinel file to mark our creation and signal that watch_procs
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# should look for us.
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set parentpid [pid]
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set parentsentinel $testdir/begin.$parentpid
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set f [open $parentsentinel w]
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close $f
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# Create a Tcl subprocess that will actually run the test.
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set argf [open $argfile r]
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set progargs [read $argf]
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close $argf
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set topdir [pwd]
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cd $homedir
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set cmd [open "| ../../$util_path/db_reptest $progargs >& ../../$logfile" w]
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set childpid [pid $cmd]
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cd $topdir
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puts "Script watcher process $parentpid launching db_reptest process $childpid to $logfile in dir $homedir."
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set childsentinel $testdir/begin.$childpid
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set f [open $childsentinel w]
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close $f
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# Close the pipe. This will flush the above commands and actually run the
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# test, and will also return an error a la exec if anything bad happens
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# to the subprocess. The magic here is that closing a pipe blocks
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# and waits for the exit of processes in the pipeline, at least according
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# to Ousterhout (p. 115).
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set ret [catch {close $cmd} res]
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# Write ending sentinel files--we're done.
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set f [open $testdir/end.$childpid w]
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close $f
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set f [open $testdir/end.$parentpid w]
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close $f
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error_check_good "($childpid: db_reptest $progargs: logfile $logfile)"\
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$ret 0
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exit $ret
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