binutils-gdb/gdb/testsuite/gdb.threads/reconnect-signal.exp

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# Copyright 2013-2018 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 this program. If not, see <http://www.gnu.org/licenses/>. */
# Test that disconnecting and reconnecting doesn't lose signals.
set gdbserver_reconnect_p 1
if { [info proc gdb_reconnect] == "" } {
return 0
}
standard_testfile
set executable ${testfile}
if { [gdb_compile_pthreads \
"${srcdir}/${subdir}/${srcfile}" \
"${binfile}" \
executable {debug}] != "" } {
untested "failed to compile"
return -1
}
clean_restart $executable
if ![runto_main] then {
fail "can't run to main"
return 0
}
gdb_test "continue" "signal SIGUSR1.*" "continue to signal"
# Check that it's thread 2 that is selected.
gdb_test "info threads" "\\* 2 .*" "thread 2 is selected"
set msg "save \$pc after signal"
set saved_pc ""
gdb_test_multiple "print/x \$pc" $msg {
-re "\\\$$decimal = (\[^\r\n\]*)\r\n$gdb_prompt $" {
set saved_pc $expect_out(1,string)
pass $msg
}
}
# Switch to the other thread.
gdb_test "thread 1" "thread 1.*" "switch to thread 1"
# Force GDB to select thread 1 on the remote end as well.
gdb_test "print/x \$pc"
gdb_test "disconnect" "Ending remote debugging\\." "disconnect after signal"
set test "reconnect after signal"
set res [gdb_reconnect]
if { [lindex $res 0] == 0 } {
pass $test
} else {
fail $test
return 0
}
# Check that thread 2 is re-selected.
gdb_test "info threads" "\\* 2 .*" "thread 2 is selected on reconnect"
# Check that the program is still alive, and stopped in the same spot.
gdb_test "print/x \$pc" "\\\$$decimal = $saved_pc" "check \$pc after signal"
# Check that we didn't lose the signal.
gdb_test "info program" "stopped with signal SIGUSR1,.*"
# Nor does the program.
gdb_test "b handle" "Breakpoint .*" "set breakpoint in signal handler"
gdb_test "continue" "handle.*" "continue to signal handler"