cc6563d29b
Explain why we do "info threads". gdb/testsuite/ 2014-07-30 Pedro Alves <palves@redhat.com> * gdb.threads/signal-command-handle-nopass.exp (test): Add comment.
82 lines
2.6 KiB
Text
82 lines
2.6 KiB
Text
# Copyright (C) 2014 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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# Test that an explicit "signal FOO" delivers FOO even if "handle" for
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# that same signal is set to "nopass". Also make sure the signal is
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# delivered to the right thread, even if GDB has to step over a
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# breakpoint in some other thread first.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping ${testfile}.exp because of nosignals."
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return -1
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}
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standard_testfile
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
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executable { debug }] != "" } {
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return -1
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}
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# Run the test proper. STEP_OVER indicates whether we leave in place
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# a breakpoint that needs to be stepped over when we explicitly
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# request a signal be delivered with the "signal" command.
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proc test { step_over } {
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global srcfile binfile
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with_test_prefix "step-over $step_over" {
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clean_restart ${binfile}
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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gdb_test "handle SIGUSR1 stop print nopass"
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gdb_test "b thread_function" "Breakpoint .* at .*$srcfile.*"
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gdb_test "continue" "thread_function.*" "stopped in thread"
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# Thread 2 is stopped at a breakpoint. If we leave the
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# breakpoint in place, GDB needs to move thread 2 past the
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# breakpoint before delivering the signal to thread 1. We
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# want to be sure that GDB doesn't mistakenly deliver the
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# signal to thread 1 while doing that.
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if { $step_over == "no" } {
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delete_breakpoints
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}
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gdb_test "break handler" "Breakpoint .* at .*$srcfile.*"
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gdb_test "thread 1" "Switching to thread 1.*"
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set pattern "\\\* 1\[ \t\]+Thread.*"
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gdb_test "info threads" $pattern "thread 1 selected"
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gdb_test "signal SIGUSR1" "handler .*"
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# Make sure it was thread 1 that got the signal. Note we list
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# all threads instead of just thread 1, so that if something
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# goes wrong and another thread ends up selected, we can
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# easily see which in the logs.
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gdb_test "info threads" $pattern "thread 1 got the signal"
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}
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}
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foreach stepover {"yes" "no"} {
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test $stepover
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}
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