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# Copyright (C) 2013-2024 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/>.
#
# Verify that a thread-specific breakpoint is deleted when the
# corresponding thread is gone.
standard_testfile
if {[gdb_compile_pthreads \
"${srcdir}/${subdir}/${srcfile}" \
"${binfile}" executable {debug} ] != "" } {
return -1
}
# Extract and return the thread ID of the thread stopped at function
# FUNC.
proc get_thread_id {func} {
global gdb_prompt
global tdlabel_re
set thre -1
set test "get $func thread id"
gdb_test_multiple "info threads" $test {
-re "(\[0-9\]+)\[^\n\r\]*${tdlabel_re}\[^\n\r\]*$func.*$gdb_prompt $" {
# Get the thread's id.
set thre $expect_out(1,string)
pass $test
}
}
return $thre
}
proc check_thread_specific_breakpoint {non_stop} {
global gdb_prompt
if { ![runto_main] } {
return -1
}
set main_thre [get_thread_id "main"]
if { $main_thre < 0 } {
return -1
}
gdb_breakpoint "start"
gdb_continue_to_breakpoint "start"
set start_thre [get_thread_id "start"]
if { $start_thre < 0 } {
return -1
}
# Check that multiple uses of 'thread' keyword give an error.
gdb_test "break main thread $start_thre thread $main_thre" \
"You can specify only one thread\\."
# Set a thread-specific breakpoint at "main". This can't ever
# be hit, but that's OK.
gdb_breakpoint "main thread $start_thre"
gdb_test "info break" ".*breakpoint.*thread $start_thre" "breakpoint set"
# Set breakpoint at a place only reachable after the "start"
# thread exits.
gdb_breakpoint "end"
# Switch back to the main thread, and resume all threads. The
# "start" thread exits, and the main thread reaches "end".
gdb_test "thread $main_thre" \
"Switching to thread $main_thre.*" \
"thread $main_thre selected"
if { $non_stop } {
set cmd "continue -a"
} else {
set cmd "continue"
}
set msg_re \
[join \
[list \
"Thread-specific breakpoint 3 deleted" \
"-" \
"thread 2 no longer in the thread list\\."]]
gdb_test_multiple "$cmd" "continue to end" {
-re "$\r\n${gdb_prompt} .*${msg_re}\r\n" {
pass $gdb_test_name
}
-re "\r\n${msg_re}\r\n.*$gdb_prompt " {
pass $gdb_test_name
}
}
set test "thread-specific breakpoint was deleted"
gdb_test_multiple "info breakpoint" $test {
-re "thread $start_thre\n$gdb_prompt $" {
fail $test
}
-re "$gdb_prompt $" {
pass $test
}
}
}
foreach_with_prefix non_stop {on off} {
save_vars { GDBFLAGS } {
append GDBFLAGS " -ex \"set non-stop $non_stop\""
clean_restart $binfile
}
check_thread_specific_breakpoint $non_stop
}
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