genode/base-linux/run/env
Alexander Boettcher 2a761c7fea run: extend genode_until_run by a spawn id
genode_until_run can be called now with a spawn id to able to reattach to a
spawned process (amt, serial output). Run scripts can now call genode_until_run
multiple times.
2013-05-08 09:42:44 +02:00

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#
# \brief Environment for executing Genode on Linux
# \author Norman Feske
# \date 2010-08-16
#
# For the documentation of the implemented API functions,
# please refer to the comments in 'tool/run'.
#
proc create_boot_directory { } {
exec rm -rf [run_dir]
exec mkdir -p [run_dir]
}
proc install_config {config} {
set fh [open "[run_dir]/config" "WRONLY CREAT TRUNC"]
puts $fh $config
close $fh
}
proc build_boot_image {binaries} {
foreach binary $binaries {
exec ln -sf ../../../bin/$binary [run_dir] }
}
proc run_genode_until {{wait_for_re forever} {timeout_value 0} {running_spawn_id -1}} {
#
# If a running_spawn_id is specified, wait for the expected output
#
if {$running_spawn_id != -1} {
wait_for_output $wait_for_re $timeout_value $running_spawn_id
return
}
global output
set timeout $timeout_value
set orig_pwd [pwd]
cd [run_dir]
set pid [spawn ./core]
if {$wait_for_re == "forever"} { interact $pid }
expect {
-re $wait_for_re { }
timeout { puts stderr "Error: Test execution timed out"; exit -2 }
}
cd $orig_pwd
set output $expect_out(buffer)
}
##
# Umount a directory that was bind-mounted beforehand
#
# This function is used by chroot-related tests, e.g., 'os/run/chroot.run',
# 'os/run/chroot_loader.run'.
#
proc umount_and_rmdir { path } {
puts "umounting $path"
#
# Invoke umount until it returns an error. Apparently, the unmounting
# of bind-mounted mount points does not always take immediate effect
# (regardless of the -l option).
#
while {1} {
if {[catch { exec sudo umount -l $path }]} { break; }
sleep 0.25
}
catch { exec rmdir -p $path }
}