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# Copyright 2022 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 with "next N", all threads are resumed at each of the N
# steps.  GDB used to have a bug where in target-non-stop targets, and
# in all-stop mode, after the first "next" (or "step/stepi/nexti"),
# GDB would prematurely stop all threads.  For the subsequent N-1
# steps, only the stepped thread would continue running, while all the
# other threads would remain stopped.

standard_testfile

if { [build_executable "failed to prepare" $testfile \
	  $srcfile {debug pthreads}] == -1 } {
    return
}

proc test {non-stop target-non-stop} {
    save_vars ::GDBFLAGS {
	append ::GDBFLAGS " -ex \"maintenance set target-non-stop ${target-non-stop}\""
	append ::GDBFLAGS " -ex \"set non-stop ${non-stop}\""
	clean_restart $::binfile
    }

    if { ![runto_main] } {
	return
    }

    set lineno [gdb_get_line_number "set break here"]

    gdb_breakpoint $lineno

    gdb_continue_to_breakpoint "break here"

    gdb_test "next 3" "return 0;"
}

foreach_with_prefix non-stop {off on} {
    foreach_with_prefix target-non-stop {off on} {
	if {${non-stop} == "on" && ${target-non-stop} == "off"} {
	    # Invalid combination.
	    continue
	}

	test ${non-stop} ${target-non-stop}
    }
}