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source [file dirname [info script]]/testing.tcl
needs cmd signal
needs cmd pid
testConstraint try [expr {[info commands try] ne ""}]
test signal-1.1 "catch/throw" {
signal handle TERM
set x 1
set rc [catch -signal {
signal throw -TERM
incr x
} result]
signal default TERM
list [info returncode $rc] $result $x
} {signal SIGTERM 1}
test signal-1.2 "catch/kill" {
signal handle TERM
set x 1
set rc [catch -signal {
kill -TERM [pid]
incr x
} result]
signal default TERM
list [info returncode $rc] $result $x
} {signal SIGTERM 1}
test signal-1.3 "catch/alarm" {
signal handle ALRM
set x 1
set rc [catch -signal {
alarm .2
sleep 1
incr x
} result]
signal default ALRM
list [info returncode $rc] $result $x
} {signal SIGALRM 1}
test signal-1.4 "multiple signals before catch" {
signal handle ALRM INT
kill -INT [pid]
alarm .2
sleep 1
set x 1
set rc [catch -signal {
# Doesn't not execute because signals already active
incr x
} result]
signal default ALRM INT
list [info returncode $rc] [lsort $result] $x
} {signal {SIGALRM SIGINT} 1}
test signal-1.5 "ignored signals" {
signal handle INT
signal ignore HUP
set x 1
catch -signal {
# Send an ignored signal
kill -HUP [pid]
incr x
# Now a caught signal
kill -INT [pid]
incr x
} result
signal default INT TERM
list [lsort $result] $x
} {SIGINT 2}
test signal-1.6 "check ignored signals" {
list [signal check SIGINT] [signal check]
} {{} SIGHUP}
test signal-1.7 "clearing ignored signals" {
signal check -clear
signal check
} {}
test signal-1.8 "try/signal" try {
signal handle ALRM
try -signal {
alarm 0.4
foreach i [range 10] {
sleep 0.1
}
set msg ""
} on signal {msg} {
# Just set msg here
} finally {
alarm 0
}
signal default ALRM
list [expr {$i in {3 4 5}}] $msg
} {1 SIGALRM}
testreport
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