| 1 | # manythreads.exp -- Expect script to test stopping many threads |
| 2 | # Copyright (C) 2004-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | # This program is free software; you can redistribute it and/or modify |
| 5 | # it under the terms of the GNU General Public License as published by |
| 6 | # the Free Software Foundation; either version 3 of the License, or |
| 7 | # (at your option) any later version. |
| 8 | # |
| 9 | # This program is distributed in the hope that it will be useful, |
| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | # GNU General Public License for more details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU General Public License |
| 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | |
| 17 | # This file was written by Jeff Johnston. (jjohnstn@redhat.com) |
| 18 | |
| 19 | # This test requires sending ^C to interrupt the running target. |
| 20 | if [target_info exists gdb,nointerrupts] { |
| 21 | verbose "Skipping manythreads.exp because of nointerrupts." |
| 22 | return |
| 23 | } |
| 24 | |
| 25 | standard_testfile |
| 26 | |
| 27 | set opts { debug } |
| 28 | if [info exists DEBUG] { |
| 29 | # make check RUNTESTFLAGS='gdb.threads/manythreads.exp DEBUG=1' |
| 30 | lappend opts "additional_flags=-DDEBUG" |
| 31 | } |
| 32 | |
| 33 | if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $opts] != "" } { |
| 34 | return -1 |
| 35 | } |
| 36 | |
| 37 | clean_restart ${binfile} |
| 38 | gdb_test_no_output "set print sevenbit-strings" |
| 39 | runto_main |
| 40 | |
| 41 | # We'll need this when we send_gdb a ^C to GDB. Need to do it before we |
| 42 | # run the program and gdb starts saving and restoring tty states. |
| 43 | gdb_test "shell stty intr '^C'" ".*" |
| 44 | |
| 45 | set message "first continue" |
| 46 | gdb_test_multiple "continue" "first continue" { |
| 47 | -re "error:.*$gdb_prompt $" { |
| 48 | fail "$message" |
| 49 | } |
| 50 | -re "Continuing" { |
| 51 | pass "$message" |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | # Wait one second. This is better than the TCL "after" command, because |
| 56 | # we don't lose GDB's output while we do it. |
| 57 | remote_expect host 1 { timeout { } } |
| 58 | |
| 59 | # Send a Ctrl-C and wait for the SIGINT. |
| 60 | |
| 61 | proc interrupt_and_wait { message } { |
| 62 | global gdb_prompt |
| 63 | |
| 64 | send_gdb "\003" |
| 65 | |
| 66 | gdb_test_multiple "" $message { |
| 67 | -re "\\\[New \[^\]\]*\\\]\r\n" { |
| 68 | exp_continue |
| 69 | } |
| 70 | -re "\\\[\[^\]\]* exited\\\]\r\n" { |
| 71 | exp_continue |
| 72 | } |
| 73 | -re " received signal SIGINT.*$gdb_prompt $" { |
| 74 | pass "$message" |
| 75 | } |
| 76 | -re "$gdb_prompt $" { |
| 77 | # Note that with this regex order, if GDB emits [New |
| 78 | # Thread ...] output between "Thread NNN received signal" |
| 79 | # and the prompt, the "received signal" regex won't match. |
| 80 | # That's good, as if we see that happening, it's a |
| 81 | # regression. |
| 82 | # |
| 83 | # GDB makes sure to notify about signal stops, end of |
| 84 | # stepping ranges, etc., only after updating the thread |
| 85 | # list, otherwise that stop info would be easy to miss. |
| 86 | # |
| 87 | # A BROKEN example would be: |
| 88 | # |
| 89 | # ... pages of new threads output ... |
| 90 | # [New Thread NNN] |
| 91 | # ^C |
| 92 | # ... more new threads output ... |
| 93 | # [New Thread NNN] |
| 94 | # [New Thread NNN] |
| 95 | # Thread NNN received signal SIGINT, Interrupt. |
| 96 | # [New Thread NNN] |
| 97 | # [New Thread NNN] |
| 98 | # ... pages of new threads output ... |
| 99 | # [Switching to Thread NNN] |
| 100 | # foo () at foo.c:31 |
| 101 | # 31 bar (); |
| 102 | # |
| 103 | fail $message |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | # Send a Ctrl-C and verify that we can do info threads and continue |
| 109 | interrupt_and_wait "stop threads 1" |
| 110 | |
| 111 | set cmd "info threads" |
| 112 | set ok 0 |
| 113 | gdb_test_multiple $cmd $cmd { |
| 114 | -re " 1 *Thread " { |
| 115 | set ok 1 |
| 116 | exp_continue |
| 117 | } |
| 118 | -re ".*\r\n" { |
| 119 | # Eat this line and continue, to prevent the buffer overflowing. |
| 120 | exp_continue |
| 121 | } |
| 122 | -re "$gdb_prompt $" { |
| 123 | if { $ok } { |
| 124 | pass $cmd |
| 125 | } else { |
| 126 | fail $cmd |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | gdb_test_no_output "thread name zardoz" "give a name to the thread" |
| 132 | gdb_test "info threads" ".*zardoz.*" "check thread name" |
| 133 | |
| 134 | set message "second continue" |
| 135 | gdb_test_multiple "continue" "second continue" { |
| 136 | -re "error:.*$gdb_prompt $" { |
| 137 | fail "$message" |
| 138 | } |
| 139 | -re "Continuing" { |
| 140 | pass "$message" |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | # Wait another second. If the program stops on its own, GDB has failed |
| 145 | # to handle duplicate SIGINTs sent to multiple threads. |
| 146 | set failed 0 |
| 147 | remote_expect host 1 { |
| 148 | -re "\\\[New \[^\]\]*\\\]\r\n" { |
| 149 | exp_continue -continue_timer |
| 150 | } |
| 151 | -re "\\\[\[^\]\]* exited\\\]\r\n" { |
| 152 | exp_continue -continue_timer |
| 153 | } |
| 154 | -re " received signal SIGINT.*$gdb_prompt $" { |
| 155 | if { $failed == 0 } { |
| 156 | fail "check for duplicate SIGINT" |
| 157 | } |
| 158 | send_gdb "continue\n" |
| 159 | set failed 1 |
| 160 | exp_continue |
| 161 | } |
| 162 | timeout { |
| 163 | if { $failed == 0 } { |
| 164 | pass "check for duplicate SIGINT" |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | # Send another Ctrl-C and verify that we can do info threads and quit |
| 170 | interrupt_and_wait "stop threads 2" |
| 171 | |
| 172 | gdb_test_multiple "quit" "GDB exits after stopping multithreaded program" { |
| 173 | -re "Quit anyway\\? \\(y or n\\) $" { |
| 174 | send_gdb "y\n" |
| 175 | exp_continue |
| 176 | } |
| 177 | eof { |
| 178 | pass "GDB exits after stopping multithreaded program" |
| 179 | } |
| 180 | timeout { |
| 181 | fail "GDB exits after stopping multithreaded program (timeout)" |
| 182 | } |
| 183 | } |
| 184 | |