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# Copyright (C) 2014-2023 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 ${binfile}
if {![runto_main]} {
return 0
}
gdb_test "handle SIGUSR1 stop print nopass"
gdb_test "b thread_function" "Breakpoint .* at .*$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
}
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