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Re: [RFC] info threads takes an argument
Tom Tromey wrote:
"Michael" == Michael Snyder <msnyder@vmware.com> writes:
Michael> static void
Michael> info_threads_command (char *arg, int from_tty)
[...]
Michael> + int tmp_tid
Michael> + = (int) parse_and_eval_long (scan_expression_with_cleanup (&arg,
Michael> + NULL));
parse_and_eval_long means that expressions will be accepted here. But
then I think it will do the wrong thing if you actually pass multiple
IDs -- I think it will syntax error instead of parsing each separately.
I'd suggest just parsing out an integer and using atoi or the like.
(I'm not sure if there is already a convenience function for this -- I'm
always a little surprised at how few argument-parsing convenience
functions there are for the CLI.)
OK.
I like "thread find", it seems handy.
Matching both the ID and the target PID means that using numbers here
will be over-eager. Why match the ID? "info thread ID" seems good
enough.
"info thread" will only match the gdb thread id (small counting
integer). "thread find" will match the PID.
Michael> + add_info ("threads", info_threads_command,
Michael> + _("Display currently known threads.\n\
Michael> +Usage: info threads [ID [ID]...]\n\
I think it is more typical to write this as:
Usage: info threads [ID]...
Michael> + add_cmd ("find", no_class, thread_find_command, _("\
Michael> +Find thread ids with a name, target pid, or extra info matching REGEXP."),
Michael> + &thread_cmd_list);
How about a Usage here, too? Like:
Find threads that match a regular expression.
Usage: thread find REGEXP
This command will display all the threads whose name, target PID, or
extra info matches REGEXP.
Michael> +* GDB has a new command: "thread find [regexp]".
I'd make regexp all upper-case, in keeping with a GNU documentation
convention.
OK, changes made, and committed as below (with a new testsuite test).
2011-02-15 Michael Snyder <msnyder@vmware.com>
* command.h (enum command_class): New class 'no_set_class', for
"show" commands without a corresponding "set" command.
* value.c (_initialize_values): Use 'no_set_class' for "show values".
* copying.c (_initialize_copying): Ditto for "show copying" and
"show warranty".
* cli/cli-cmds.c (init_cli_cmds): Ditto for "show commands" and
"show version".
* cli/cli-setshow.c (cmd_show_list): Skip "show" commands for
which there is no corresponding "set" command (eg. "show copying").
2011-02-14 Michael Snyder <msnyder@vmware.com>
* gdb.texinfo (threads): Document argument for "info threads" cmd.
Document new command "thread find".
2011-02-15 Michael Snyder <msnyder@vmware.com>
* gdb.base/default.exp: Add tests for thread commands.
* gdb.base/help.exp: Add tests for thread commands.
* gdb.threads/thread-find.exp: New test for thread find command.
Index: NEWS
===================================================================
RCS file: /cvs/src/src/gdb/NEWS,v
retrieving revision 1.425
diff -u -p -u -p -r1.425 NEWS
--- NEWS 5 Feb 2011 05:27:23 -0000 1.425
+++ NEWS 15 Feb 2011 21:14:27 -0000
@@ -3,6 +3,10 @@
*** Changes since GDB 7.2
+* GDB has a new command: "thread find [REGEXP]".
+ It finds the thread id whose name, target id, or thread extra info
+ matches the given regular expression.
+
* The "catch syscall" command now works on mips*-linux* targets.
* The -data-disassemble MI command now supports modes 2 and 3 for
Index: thread.c
===================================================================
RCS file: /cvs/src/src/gdb/thread.c,v
retrieving revision 1.131
diff -u -p -u -p -r1.131 thread.c
--- thread.c 19 Jan 2011 17:21:36 -0000 1.131
+++ thread.c 15 Feb 2011 21:14:27 -0000
@@ -43,6 +43,7 @@
#include "observer.h"
#include "annotate.h"
#include "cli/cli-decode.h"
+#include "gdb_regex.h"
/* Definition of struct thread_info exported to gdbthread.h. */
@@ -954,18 +955,54 @@ No selected thread. See `help thread'.\
}
}
-
/* Print information about currently known threads
- * Note: this has the drawback that it _really_ switches
- * threads, which frees the frame cache. A no-side
- * effects info-threads command would be nicer.
- */
+ Optional ARG is a thread id, or list of thread ids.
+
+ Note: this has the drawback that it _really_ switches
+ threads, which frees the frame cache. A no-side
+ effects info-threads command would be nicer. */
static void
info_threads_command (char *arg, int from_tty)
{
- print_thread_info (uiout, -1, -1);
+ int tid = -1;
+
+ if (arg == NULL || *arg == '\0')
+ {
+ print_thread_info (uiout, -1, -1);
+ return;
+ }
+
+ while (arg != NULL && *arg != '\0')
+ {
+ int tmp_tid = strtol (arg, &arg, 0);
+ unsigned int highrange;
+
+ if (tmp_tid <= 0)
+ error ("invalid thread id %d\n", tmp_tid);
+
+ tid = tmp_tid;
+ print_thread_info (uiout, tid, -1);
+
+ while (*arg == ' ' || *arg == '\t')
+ ++arg;
+
+ if (*arg == '-')
+ {
+ /* Do a range of threads. Must be in ascending order. */
+ ++arg; /* Skip the hyphen. */
+ highrange = strtoul (arg, &arg, 0);
+ if (highrange < tid)
+ error (_("inverted range"));
+
+ /* Do the threads in the range (first one already done). */
+ while (tid < highrange)
+ {
+ print_thread_info (uiout, ++tid, -1);
+ }
+ }
+ }
}
/* Switch from one thread to another. */
@@ -1313,6 +1350,60 @@ thread_name_command (char *arg, int from
info->name = arg ? xstrdup (arg) : NULL;
}
+/* Find thread ids with a name, target pid, or extra info matching ARG. */
+
+static void
+thread_find_command (char *arg, int from_tty)
+{
+ struct thread_info *tp;
+ char *tmp;
+ unsigned long match = 0;
+
+ if (arg == NULL || *arg == '\0')
+ error (_("Command requires an argument."));
+
+ tmp = re_comp (arg);
+ if (tmp != 0)
+ error (_("Invalid regexp (%s): %s"), tmp, arg);
+
+ update_thread_list ();
+ for (tp = thread_list; tp; tp = tp->next)
+ {
+ if (tp->name != NULL && re_exec (tp->name))
+ {
+ printf_filtered (_("Thread %d has name '%s'\n"),
+ tp->num, tp->name);
+ match++;
+ }
+
+ tmp = target_thread_name (tp);
+ if (tmp != NULL && re_exec (tmp))
+ {
+ printf_filtered (_("Thread %d has target name '%s'\n"),
+ tp->num, tmp);
+ match++;
+ }
+
+ tmp = target_pid_to_str (tp->ptid);
+ if (tmp != NULL && re_exec (tmp))
+ {
+ printf_filtered (_("Thread %d has target id '%s'\n"),
+ tp->num, tmp);
+ match++;
+ }
+
+ tmp = target_extra_thread_info (tp);
+ if (tmp != NULL && re_exec (tmp))
+ {
+ printf_filtered (_("Thread %d has extra info '%s'\n"),
+ tp->num, tmp);
+ match++;
+ }
+ }
+ if (!match)
+ printf_filtered (_("No threads match '%s'\n"), arg);
+}
+
/* Print notices when new threads are attached and detached. */
int print_thread_events = 1;
static void
@@ -1403,8 +1494,11 @@ _initialize_thread (void)
{
static struct cmd_list_element *thread_apply_list = NULL;
- add_info ("threads", info_threads_command,
- _("IDs of currently known threads."));
+ add_info ("threads", info_threads_command,
+ _("Display currently known threads.\n\
+Usage: info threads [ID]...\n\
+Optional arguments are thread IDs with spaces between.\n\
+If no arguments, all threads are displayed."));
add_prefix_cmd ("thread", class_run, thread_command, _("\
Use this command to switch between threads.\n\
@@ -1423,6 +1517,12 @@ The new thread ID must be currently know
Usage: thread name [NAME]\n\
If NAME is not given, then any existing name is removed."), &thread_cmd_list);
+ add_cmd ("find", class_run, thread_find_command, _("\
+Find threads that match a regular expression.\n\
+Usage: thread find REGEXP\n\
+Will display thread ids whose name, target ID, or extra info matches REGEXP."),
+ &thread_cmd_list);
+
if (!xdb_commands)
add_com_alias ("t", "thread", class_run, 1);
Index: doc/gdb.texinfo
===================================================================
RCS file: /cvs/src/src/gdb/doc/gdb.texinfo,v
retrieving revision 1.799
diff -u -p -u -p -r1.799 gdb.texinfo
--- doc/gdb.texinfo 14 Feb 2011 23:14:35 -0000 1.799
+++ doc/gdb.texinfo 15 Feb 2011 21:14:27 -0000
@@ -2706,9 +2706,11 @@ number---always a single integer---with
@table @code
@kindex info threads
-@item info threads
-Display a summary of all threads currently in your
-program. @value{GDBN} displays for each thread (in this order):
+@item info threads @r{[}@var{id}@dots{}@r{]}
+Display a summary of all threads currently in your program. Optional
+argument @var{id}@dots{} is one or more thread ids separated by spaces, and
+means to print information only about the specified thread or threads.
+@value{GDBN} displays for each thread (in this order):
@enumerate
@item
@@ -2805,6 +2807,25 @@ systems, a name specified with @samp{thr
system-give name, and removing the user-specified name will cause
@value{GDBN} to once again display the system-specified name.
+@kindex thread find
+@cindex search for a thread
+@item thread find [@var{regexp}]
+Search for and display thread ids whose name or @var{systag}
+matches the supplied regular expression.
+
+As well as being the complement to the @samp{thread name} command,
+this command also allows you to identify a thread by its target
+@var{systag}. For instance, on @sc{gnu}/Linux, the target @var{systag}
+is the LWP id.
+
+@smallexample
+(@value{GDBN}) thread find 26688
+Thread 4 has target id 'Thread 0x41e02940 (LWP 26688)'
+(@value{GDBN}) info thread 4
+ Id Target Id Frame
+ 4 Thread 0x41e02940 (LWP 26688) 0x00000031ca6cd372 in select ()
+@end smallexample
+
@kindex set print thread-events
@cindex print messages on thread start and exit
@item set print thread-events
Index: testsuite/gdb.base/default.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/default.exp,v
retrieving revision 1.47
diff -u -p -u -p -r1.47 default.exp
--- testsuite/gdb.base/default.exp 1 Jan 2011 15:33:41 -0000 1.47
+++ testsuite/gdb.base/default.exp 15 Feb 2011 21:14:27 -0000
@@ -356,6 +356,8 @@ gdb_test "info sources" "No symbol table
gdb_test_no_output "info target" "info target"
#test info terminal
gdb_test "info terminal" "No saved terminal information." "info terminal"
+# test info threads
+gdb_test "info threads" "No threads." "info threads"
#test info types
gdb_test "info types" "All defined types:" "info types"
#test info variables
@@ -779,6 +781,14 @@ if ![istarget "*-*-udi*"] then {
gdb_test "target" "Argument required .target name.*" "target"
#test tbreak
gdb_test "tbreak" "No default breakpoint address now." "tbreak"
+#test thread
+gdb_test "thread" "No thread selected" "thread"
+#test thread apply
+gdb_test "thread apply" "Please specify a thread ID list" "thread apply"
+#test thread find
+gdb_test "thread find" "Command requires an argument." "thread find"
+#test thread name
+gdb_test "thread name" "No thread selected" "thread name"
#test tty
gdb_test "tty" "Argument required .filename to set it to\..*" "tty"
#test until "u" abbreviation
Index: testsuite/gdb.base/help.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/help.exp,v
retrieving revision 1.48
diff -u -p -u -p -r1.48 help.exp
--- testsuite/gdb.base/help.exp 1 Jan 2011 15:33:42 -0000 1.48
+++ testsuite/gdb.base/help.exp 15 Feb 2011 21:14:27 -0000
@@ -281,6 +281,8 @@ gdb_test "help info symbol" "Describe wh
gdb_test "help info target" "Names of targets and files being debugged\.\[\r\n\]+Shows the entire stack of targets currently in use \\(including the exec-file,\[\r\n\]+core-file, and process, if any\\), as well as the symbol file name\." "help info target"
# test help info terminal
gdb_test "help info terminal" "Print inferior's saved terminal status\." "help info terminal"
+# test help info threads
+gdb_test "help info threads" "Display currently known threads.*" "help info threads"
# test help info types
gdb_test "help info types" "All type names, or those matching REGEXP\." "help info types"
# test help info variables
@@ -644,6 +646,14 @@ test_prefix_command_help "target" {
}
# test help tbreak
gdb_test "help tbreak" "Set a temporary breakpoint.*" "help tbreak"
+#test help thread
+gdb_test "help thread" "Use this command to switch between threads.*" "help thread"
+# test help thread apply
+gdb_test "help thread apply" "Apply a command to a list of threads.*" "help thread apply"
+# test help thread find
+gdb_test "help thread find" "Find threads that match a regular.*" help thread find"
+# test help thread name
+gdb_test "help thread name" "Set the current thread's name.*" "help thread name"
# test help tty
gdb_test "help tty" "Set terminal for future runs of program being debugged\.\[\r\n\]+Usage: set inferior-tty /dev/pts/1" "help tty"
# test help until "u" abbreviation
Index: testsuite/gdb.threads/thread-find.exp
===================================================================
RCS file: testsuite/gdb.threads/thread-find.exp
diff -N testsuite/gdb.threads/thread-find.exp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ testsuite/gdb.threads/thread-find.exp 15 Feb 2011 21:14:27 -0000
@@ -0,0 +1,430 @@
+# Copyright 2011
+# 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/>.
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@gnu.org
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set testfile "linux-dp"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != ""} {
+ return -1
+}
+
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+gdb_test_no_output "set print sevenbit-strings"
+runto_main
+
+# Run until there are some threads.
+gdb_breakpoint [gdb_get_line_number "linuxthreads.exp: info threads 2"]
+gdb_continue_to_breakpoint "main thread's sleep"
+
+# Create thread names.
+gdb_test "thread apply 1 thread name threadname_1" \
+ "Thread 1 .*" \
+ "name thread 1"
+
+gdb_test "thread apply 2 thread name threadname_2" \
+ "Thread 2 .*" \
+ "name thread 2"
+
+gdb_test "thread apply 3 thread name threadname_3" \
+ "Thread 3 .*" \
+ "name thread 3"
+
+gdb_test "thread apply 4 thread name threadname_4" \
+ "Thread 4 .*" \
+ "name thread 4"
+
+gdb_test "thread apply 5 thread name threadname_5" \
+ "Thread 5 .*" \
+ "name thread 5"
+
+gdb_test "thread apply 6 thread name threadname_6" \
+ "Thread 6 .*" \
+ "name thread 6"
+
+# Collect thread ids, if any.
+gdb_test_multiple "info threads" "collect thread id" {
+ -re ". 6 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_6\" \[^\r\n\]*" {
+ set thread6 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 5 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_5\" \[^\r\n\]*" {
+ set thread5 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 4 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_4\" \[^\r\n\]*" {
+ set thread4 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 3 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_3\" \[^\r\n\]*" {
+ set thread3 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 2 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_2\" \[^\r\n\]*" {
+ set thread2 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 1 .*\[Tt\]hread (\[0-9a-fA-Fx\]+).* \"threadname_1\" \[^\r\n\]*" {
+ set thread1 $expect_out(1,string)
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ pass "collect thread id"
+ }
+}
+
+if { [info exists thread6] } then {
+ gdb_test "echo $thread6\\n" "$thread6" "got thread ids"
+}
+
+# Collect process ids, if any.
+gdb_test_multiple "info threads" "collect thread id" {
+ -re ". 6 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_6\" \[^\r\n\]*" {
+ set process6 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 5 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_5\" \[^\r\n\]*" {
+ set process5 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 4 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_4\" \[^\r\n\]*" {
+ set process4 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 3 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_3\" \[^\r\n\]*" {
+ set process3 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 2 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_2\" \[^\r\n\]*" {
+ set process2 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 1 .*\[Pp\]rocess (\[0-9a-fA-Fx\]+).* \"threadname_1\" \[^\r\n\]*" {
+ set process1 $expect_out(1,string)
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ pass "collect process id"
+ }
+}
+
+if { [info exists process6] } then {
+ gdb_test "echo $process6\\n" "$process6" "got process ids"
+}
+
+# Collect lwp ids, if any.
+gdb_test_multiple "info threads" "collect thread id" {
+ -re ". 6 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_6\" \[^\r\n\]*" {
+ set lwp6 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 5 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_5\" \[^\r\n\]*" {
+ set lwp5 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 4 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_4\" \[^\r\n\]*" {
+ set lwp4 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 3 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_3\" \[^\r\n\]*" {
+ set lwp3 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 2 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_2\" \[^\r\n\]*" {
+ set lwp2 $expect_out(1,string)
+ exp_continue
+ }
+ -re ". 1 .*LWP (\[0-9a-fA-Fx\]+).* \"threadname_1\" \[^\r\n\]*" {
+ set lwp1 $expect_out(1,string)
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ pass "collect lwp id"
+ }
+}
+
+if { [info exists lwp6] } then {
+ gdb_test "echo $lwp6\\n" "$lwp6" "got lwp ids"
+}
+
+#
+# Now: test 'thread find' with names.
+#
+
+gdb_test "thread find threadname_6" \
+ "Thread 6 has name 'threadname_6'" "find thread name 6"
+gdb_test "thread find threadname_5" \
+ "Thread 5 has name 'threadname_5'" "find thread name 5"
+gdb_test "thread find threadname_4" \
+ "Thread 4 has name 'threadname_4'" "find thread name 4"
+gdb_test "thread find threadname_3" \
+ "Thread 3 has name 'threadname_3'" "find thread name 3"
+gdb_test "thread find threadname_2" \
+ "Thread 2 has name 'threadname_2'" "find thread name 2"
+gdb_test "thread find threadname_1" \
+ "Thread 1 has name 'threadname_1'" "find thread name 1"
+
+#
+# Test 'thread find' with thread ids, if any.
+#
+
+if { [info exists thread6] } then {
+ gdb_test "thread find $thread6" \
+ "Thread 6 has .*$thread6.*" "find thread id 6"
+ gdb_test "thread find $thread5" \
+ "Thread 5 has .*$thread5.*" "find thread id 5"
+ gdb_test "thread find $thread4" \
+ "Thread 4 has .*$thread4.*" "find thread id 4"
+ gdb_test "thread find $thread3" \
+ "Thread 3 has .*$thread3.*" "find thread id 3"
+ gdb_test "thread find $thread2" \
+ "Thread 2 has .*$thread2.*" "find thread id 2"
+ gdb_test "thread find $thread1" \
+ "Thread 1 has .*$thread1.*" "find thread id 1"
+}
+
+#
+# Test 'thread find' with process ids, if any.
+#
+
+if { [info exists process6] } then {
+ gdb_test "thread find $process6" \
+ "Thread 6 has .*$process6.*" "find process id 6"
+ gdb_test "thread find $process5" \
+ "Thread 5 has .*$process5.*" "find process id 5"
+ gdb_test "thread find $process4" \
+ "Thread 4 has .*$process4.*" "find process id 4"
+ gdb_test "thread find $process3" \
+ "Thread 3 has .*$process3.*" "find process id 3"
+ gdb_test "thread find $process2" \
+ "Thread 2 has .*$process2.*" "find process id 2"
+ gdb_test "thread find $process1" \
+ "Thread 1 has .*$process1.*" "find process id 1"
+}
+
+#
+# Test 'thread find' with lwp ids, if any.
+#
+
+if { [info exists lwp6] } then {
+ gdb_test "thread find $lwp6" \
+ "Thread 6 has .*$lwp6.*" "find lwp id 6"
+ gdb_test "thread find $lwp5" \
+ "Thread 5 has .*$lwp5.*" "find lwp id 5"
+ gdb_test "thread find $lwp4" \
+ "Thread 4 has .*$lwp4.*" "find lwp id 4"
+ gdb_test "thread find $lwp3" \
+ "Thread 3 has .*$lwp3.*" "find lwp id 3"
+ gdb_test "thread find $lwp2" \
+ "Thread 2 has .*$lwp2.*" "find lwp id 2"
+ gdb_test "thread find $lwp1" \
+ "Thread 1 has .*$lwp1.*" "find lwp id 1"
+}
+
+# Test no match.
+
+gdb_test "thread find foobarbaz" "No threads match .*" "no thread"
+
+#
+# Test regular expression
+#
+
+set see1 0
+set see2 0
+set see3 0
+set see4 0
+set see5 0
+set see6 0
+
+gdb_test_multiple "thread find threadname_\[345\]" "test regular exp" {
+ -re "Thread 6 has name \[^\r\n\]*" {
+ set see6 1
+ exp_continue
+ }
+ -re "Thread 5 has name \[^\r\n\]*" {
+ set see5 1
+ exp_continue
+ }
+ -re "Thread 4 has name \[^\r\n\]*" {
+ set see4 1
+ exp_continue
+ }
+ -re "Thread 3 has name \[^\r\n\]*" {
+ set see3 1
+ exp_continue
+ }
+ -re "Thread 2 has name \[^\r\n\]*" {
+ set see2 1
+ exp_continue
+ }
+ -re "Thread 1 has name \[^\r\n\]*" {
+ set see1 1
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ if { $see3 && $see4 && $see5 && !$see1 && !$see2 && !$see6 } then {
+ pass "test regular exp"
+ } else {
+ fail "test regular exp"
+ }
+ }
+}
+
+#
+# Test info threads on a subset of threads
+#
+
+set see1 0
+set see2 0
+set see3 0
+set see4 0
+set see5 0
+set see6 0
+
+gdb_test_multiple "info threads 2 4 6" "info threads 2 4 6" {
+ -re ". 6 .*\"threadname_6.*\" \[\r\n\]*" {
+ set see6 1
+ exp_continue
+ }
+ -re ". 5 .*\"threadname_5.*\" \[\r\n\]*" {
+ set see5 1
+ exp_continue
+ }
+ -re ". 4 .*\"threadname_4.*\" \[\r\n\]*" {
+ set see4 1
+ exp_continue
+ }
+ -re ". 3 .*\"threadname_3.*\" \[\r\n\]*" {
+ set see3 1
+ exp_continue
+ }
+ -re ". 2 .*\"threadname_2.*\" \[\r\n\]*" {
+ set see2 1
+ exp_continue
+ }
+ -re ". 1 .*\"threadname_1.*\" \[\r\n\]*" {
+ set see1 1
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ if { $see2 && $see4 && $see6 && !$see1 && !$see3 && !$see5 } then {
+ pass "info threads 2 4 6"
+ } else {
+ fail "info threads 2 4 6"
+ }
+ }
+}
+
+#
+# Test info threads on a range
+#
+
+set see1 0
+set see2 0
+set see3 0
+set see4 0
+set see5 0
+set see6 0
+
+gdb_test_multiple "info threads 3-5" "info threads 3-5" {
+ -re ". 6 .*\"threadname_6.*\" \[\r\n\]*" {
+ set see6 1
+ exp_continue
+ }
+ -re ". 5 .*\"threadname_5.*\" \[\r\n\]*" {
+ set see5 1
+ exp_continue
+ }
+ -re ". 4 .*\"threadname_4.*\" \[\r\n\]*" {
+ set see4 1
+ exp_continue
+ }
+ -re ". 3 .*\"threadname_3.*\" \[\r\n\]*" {
+ set see3 1
+ exp_continue
+ }
+ -re ". 2 .*\"threadname_2.*\" \[\r\n\]*" {
+ set see2 1
+ exp_continue
+ }
+ -re ". 1 .*\"threadname_1.*\" \[\r\n\]*" {
+ set see1 1
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ if { $see3 && $see4 && $see5 && !$see1 && !$see2 && !$see6 } then {
+ pass "info threads 3-5"
+ } else {
+ fail "info threads 3-5"
+ }
+ }
+}
+
+# Test inverted range
+
+gdb_test "info threads 5-3" "inverted range" "test inverted range"
+
+# Test degenerate range
+
+set see1 0
+set see2 0
+set see3 0
+set see4 0
+set see5 0
+set see6 0
+
+gdb_test_multiple "info threads 3-3" "info threads 3-3" {
+ -re ". 6 .*\"threadname_6.*\" \[\r\n\]*" {
+ set see6 1
+ exp_continue
+ }
+ -re ". 5 .*\"threadname_5.*\" \[\r\n\]*" {
+ set see5 1
+ exp_continue
+ }
+ -re ". 4 .*\"threadname_4.*\" \[\r\n\]*" {
+ set see4 1
+ exp_continue
+ }
+ -re ". 3 .*\"threadname_3.*\" \[\r\n\]*" {
+ set see3 1
+ exp_continue
+ }
+ -re ". 2 .*\"threadname_2.*\" \[\r\n\]*" {
+ set see2 1
+ exp_continue
+ }
+ -re ". 1 .*\"threadname_1.*\" \[\r\n\]*" {
+ set see1 1
+ exp_continue
+ }
+ -re ".*$gdb_prompt $" {
+ if { $see3 && !$see1 && !$see2 && !$see4 && !$see5 && !$see6 } then {
+ pass "info threads 3-3"
+ } else {
+ fail "info threads 3-3"
+ }
+ }
+}
+