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# Copyright (C) 2008 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

#
# unset_timeout_vars -- Unset variables used for timeouts
#

proc unset_timeout_vars { args } {
    global individual_timeout
    global timeout_factor

    if [info exists individual_timeout] {
        unset individual_timeout
    }
    if [info exists timeout_factor] {
        unset timeout_factor
    }
}

#
# timeout_value -- Return the integer timeout value to use for this test
#

proc timeout_value { args } {
    global tool_timeout
    global individual_timeout
    global timeout_factor

    # Find the current timeout limit, in seconds.
    if [info exists individual_timeout] {
        set val $individual_timeout
    } elseif [info exists tool_timeout] {
        set val $tool_timeout
    } elseif [target_info exists gcc,timeout] {
        set val [target_info gcc,timeout]
    } elseif [board_info target exists gcc,timeout] {
        set val [board_info target gcc,timeout]
    } else {
        # This is really, REALLY ugly, but this is the default from
        # remote.exp deep within DejaGnu.
        set val 300
    }

    # If the test specified a timeout factor, adjust by that.
    if [info exists timeout_factor] {
        set val [expr int([expr $val * $timeout_factor])]
    }

    return $val
}

#
# standard_wait -- Set the timeout value used by DejaGnu
#

# Override standard_wait from DejaGnu to use timeout value specified by
# by the user or by the target board, possibly multiplied by a factor
# for a particular test.

if { [info procs standard_wait] != [list] \
     && [info procs saved_standard_wait] == [list] } {
    rename standard_wait saved_standard_wait
    proc standard_wait { dest timeout } {
        set val [timeout_value]
        if { $val != 0 } {
            set timeout $val
        }
        saved_standard_wait $dest $timeout
    }
}