| # Copyright (C) 2014-2021 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 an explicit "signal FOO" delivers FOO even if "handle" for |
| # that same signal is set to "nopass". Also make sure the signal is |
| # delivered to the right thread, even if GDB has to step over a |
| # breakpoint in some other thread first. |
| |
| standard_testfile |
| |
| if [target_info exists gdb,nosignals] { |
| verbose "Skipping ${testfile}.exp because of nosignals." |
| return -1 |
| } |
| |
| if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \ |
| executable { debug }] != "" } { |
| return -1 |
| } |
| |
| # Run the test proper. STEP_OVER indicates whether we leave in place |
| # a breakpoint that needs to be stepped over when we explicitly |
| # request a signal be delivered with the "signal" command. |
| |
| proc test { step_over } { |
| global srcfile binfile |
| |
| with_test_prefix "step-over $step_over" { |
| clean_restart ${binfile} |
| |
| if ![runto_main] then { |
| fail "can't run to main" |
| return 0 |
| } |
| |
| gdb_test "handle SIGUSR1 stop print nopass" |
| |
| gdb_test "b thread_function" "Breakpoint .* at .*$srcfile.*" |
| gdb_test "continue" "thread_function.*" "stopped in thread" |
| |
| # Thread 2 is stopped at a breakpoint. If we leave the |
| # breakpoint in place, GDB needs to move thread 2 past the |
| # breakpoint before delivering the signal to thread 1. We |
| # want to be sure that GDB doesn't mistakenly deliver the |
| # signal to thread 1 while doing that. |
| if { $step_over == "no" } { |
| delete_breakpoints |
| } |
| |
| gdb_test "break handler" "Breakpoint .* at .*$srcfile.*" |
| |
| gdb_test "thread 1" "Switching to thread 1.*" |
| |
| set pattern "\\\* 1\[ \t\]+Thread.*" |
| |
| gdb_test "info threads" $pattern "thread 1 selected" |
| |
| gdb_test "signal SIGUSR1" "handler .*" |
| |
| # Make sure it was thread 1 that got the signal. Note we list |
| # all threads instead of just thread 1, so that if something |
| # goes wrong and another thread ends up selected, we can |
| # easily see which in the logs. |
| gdb_test "info threads" $pattern "thread 1 got the signal" |
| } |
| } |
| |
| foreach stepover {"yes" "no"} { |
| test $stepover |
| } |