msxbuild/lib/openmsx/share/scripts/fail_after.tcl

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# fail_after -- exits openMSX after timeout.
#
# Typically used in combination with the MSX-DOS 'omsxctl.com' utility.
#
# Adds two environment variables and two commands to openMSX;
#
# 'fail_after timeout [timeunit] [fail_id] [fail_code]'
# Schedules an openMSX exit after the timeout.
# This can be canceled by requesting a timeout of 0 or new timeout.
# The timeunit can be selected between (msx)'time' and (host)'realtime'.
# The fail_id can be used to differentiate between multiple fail_after commands.
# The failure exit code can be given too.
#
# 'fail_after_exit [fail_id] [fail_code]'
# Exits openMSX with an failure exit code and if the FAIL_AFTER_PATH is
# set it also creates a screenshot named from the failure id.
#
# Supported environment variables by this script;
#
# FAIL_AFTER_PATH=.
# Enabled automatic screenshots saving in case of failures in the supplied path.
#
# FAIL_AFTER_BOOT=30
# Enables the boot watchdog timer which will exit openMSX after the timeout(in seconds).
# To cancel this timer give an `fail_after 0` or any new fail_after command.
#
proc fail_after_exit {{fail_id "fail_after_exit"} {fail_code 2}} {
global fail_after_path
if {$fail_after_path != 0} {
if {[catch {screenshot $fail_after_path/$fail_id.png} err_msg]} {
puts stderr "warning: $err_msg"
}
# maybe later add; if {is_text_mode} { [get_screen] ?> $fail_after_path/$fail_id.scr }
}
puts stderr "error: Failure request from $fail_id"
exit $fail_code
}
proc fail_after { timeout {time_unit "time"} {fail_id "fail_after"} {fail_code 2}} {
global fail_after_prev_timer
global fail_after_prev_id
set msg ""
if {$fail_after_prev_timer != 0} {
after cancel $fail_after_prev_timer
set msg "$fail_after_prev_id: Stopped attempt."
}
set fail_after_prev_id $fail_id
if {$time_unit != "time"} {
set time_unit "realtime"
}
if {$timeout != 0} {
if {[catch {set fail_after_prev_timer [after $time_unit $timeout "fail_after_exit $fail_id $fail_code"]} err_msg]} {
puts stderr "error: $err_msg"
fail_after_exit fail_after_timer_error 1
}
set msg "$msg\n$fail_id: Automatic failure in $timeout $time_unit seconds."
} else {
set fail_after_prev_timer 0
}
return $msg
}
# Globals
set fail_after_prev_timer 0
set fail_after_prev_id 0
set fail_after_path 0
# Parse screenshot path env setting
if {[info exists ::env(FAIL_AFTER_PATH)] && ([string trim $::env(FAIL_AFTER_PATH)] != "")} {
set fail_after_path [string trim $::env(FAIL_AFTER_PATH)]
}
# Enables boot watch dog timer when FAIL_AFTER_BOOT env has a value. (124 see `man timeout`)
if {[info exists ::env(FAIL_AFTER_BOOT)] && ([string trim $::env(FAIL_AFTER_BOOT)] != "")} {
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fail_after [string trim $::env(FAIL_AFTER_BOOT)] realtime failed_boot 124
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}