xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.threads/sigstep-threads.exp (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1# Copyright 2010-2023 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16standard_testfile
17set executable ${testfile}
18
19if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
20    untested "failed to compile"
21    return -1
22}
23
24clean_restart $executable
25
26if ![runto_main] {
27    return -1
28}
29
30# `noprint' would not test the full logic of GDB.
31gdb_test "handle SIGUSR1 nostop print pass" \
32    "\r\nSIGUSR1\[ \t\]+No\[ \t\]+Yes\[ \t\]+Yes\[ \t\].*"
33
34gdb_test_no_output "set scheduler-locking off"
35
36gdb_breakpoint [gdb_get_line_number "step-1"]
37gdb_test_no_output {set $step1=$bpnum}
38gdb_continue_to_breakpoint "step-1" ".* step-1 .*"
39gdb_test_no_output {disable $step1}
40
41# 1 as we are now stopped at the `step-1' label.
42set step_at 1
43for {set i 0} {$i < 100} {incr i} {
44    set test "step $i"
45    # Presume this step failed - as in the case of a timeout.
46    set failed 1
47    gdb_test_multiple "step" $test {
48	-re " received signal SIGUSR1, User defined signal 1.\r\n" {
49	    exp_continue -continue_timer
50	}
51	-re "step-(\[012\]).*\r\n$gdb_prompt $" {
52	    set now $expect_out(1,string)
53	    if {$step_at == 2 && $now == 1} {
54		set failed 0
55	    } elseif {$step_at == 1 && $now == 2} {
56		set failed 0
57		# Continue over the re-signalling back to the handle entry.
58		gdb_test_no_output -nopass {enable $step1}
59		gdb_test -nopass "continue" " step-1 .*"
60		set now 1
61		gdb_test_no_output -nopass {disable $step1}
62	    } else  {
63		fail $test
64	    }
65	    set step_at $now
66	}
67    }
68    if $failed {
69	return
70    }
71}
72# We can never reliably say the racy problematic case has been tested.
73pass "step"
74