gdb/testsuite/gdb.threads/signal-delivered-right-thread.exp

# 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/>.  */

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 test proper.  COMMAND indicates whether to resume the inferior
# with "signal 0" or "continue".

proc test { command } {
    global srcfile binfile

    with_test_prefix "$command" {
	clean_restart ${binfile}

	if ![runto_main] then {
	    return 0
	}

	gdb_test "handle SIGUSR1 stop print pass"

	gdb_test "continue" "Thread 2 .*received signal SIGUSR1.*" "stop with SIGUSR1"

	set pattern "\\\* 2\[ \t\]+Thread.*"

	gdb_test "info threads" $pattern "thread 2 intercepted signal"

	gdb_test "break handler" "Breakpoint .* at .*$srcfile.*"

	gdb_test "thread 1" "Switching to thread 1.*"

	if { $command == "continue" } {
	    gdb_test "continue" "handler .*"
	} elseif { $command == "signal 0" } {
	    set queried 0
	    set test "signal 0 queries"
	    gdb_test_multiple "signal 0" $test {
		-re "stopped with.*stopped with.*Continue anyway.*y or n. $" {
		    fail "$test (multiple threads noted)"
		    set queried 1
		}
		-re "stopped with signal SIGUSR1.*\r\nContinuing .*still deliver .*Continue anyway.*y or n. $" {
		    pass $test
		    set queried 1
		}
		-re "Continue anyway.*y or n. $" {
		    fail "$test (no threads noted)"
		    set queried 1
		}
	    }

	    if {$queried} {
		gdb_test "y" "handler .*" "signal is delivered"
	    }
	}

	gdb_test "info threads" $pattern "thread 2 got the signal"
    }
}

foreach command {"continue" "signal 0"} {
    test $command
}