From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1433 invoked by alias); 29 Mar 2004 21:59:33 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 1424 invoked from network); 29 Mar 2004 21:59:32 -0000 Received: from unknown (HELO mx1.redhat.com) (66.187.233.31) by sources.redhat.com with SMTP; 29 Mar 2004 21:59:32 -0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.10/8.12.10) with ESMTP id i2TLxV1X019169 for ; Mon, 29 Mar 2004 16:59:31 -0500 Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i2TLxVj12065; Mon, 29 Mar 2004 16:59:31 -0500 Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.toronto.redhat.com [172.16.14.9]) by pobox.toronto.redhat.com (8.12.8/8.12.8) with ESMTP id i2TLxUf7021074; Mon, 29 Mar 2004 16:59:30 -0500 Received: from redhat.com (toocool.toronto.redhat.com [172.16.14.72]) by touchme.toronto.redhat.com (Postfix) with ESMTP id 3B77580008E; Mon, 29 Mar 2004 16:59:30 -0500 (EST) Message-ID: <40689C42.4090901@redhat.com> Date: Mon, 29 Mar 2004 21:59:00 -0000 From: Jeff Johnston User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 MIME-Version: 1.0 To: Daniel Jacobowitz Cc: gdb-patches@sources.redhat.com Subject: Re: [patch] New thread test to exercise Daniel's Patch References: <40633F75.5010908@redhat.com> <20040326175906.GA21136@nevyn.them.org> <406472FB.4010905@redhat.com> <40649CEE.4070607@redhat.com> <20040326211958.GA31610@nevyn.them.org> <4068658F.2070903@redhat.com> <20040329181122.GB22039@nevyn.them.org> <4068849B.7030800@redhat.com> <20040329204204.GA3251@nevyn.them.org> <40688F40.1010106@redhat.com> <20040329213444.GA32070@nevyn.them.org> In-Reply-To: <20040329213444.GA32070@nevyn.them.org> Content-Type: multipart/mixed; boundary="------------090008040204020503090708" X-SW-Source: 2004-03/txt/msg00736.txt.bz2 This is a multi-part message in MIME format. --------------090008040204020503090708 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-length: 536 Daniel Jacobowitz wrote: > On Mon, Mar 29, 2004 at 04:04:00PM -0500, Jeff Johnston wrote: > >>Ok, I had the thread checks in the Continue test. If I change it to the >>way above, now I get 3 "Process no longer exists "messages but the test >>completes. :( >> >>I'm really starting to hate these test macros. What is the reasoning >>behind avoiding send_gdb / gdb_expect? > > > They don't automatically handle things like internal errors, > disconnects, et cetera. Want to post your current version and I'll > give it a try? > --------------090008040204020503090708 Content-Type: text/plain; name="manythreads.c" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="manythreads.c" Content-length: 664 #include #include void * thread_function (void *arg) { int x = (int)arg; printf ("Thread <%d> executing\n", x); return NULL; } int main (int argc, char **argv) { pthread_attr_t attr; pthread_t threads[256]; int i, j; pthread_attr_init (&attr); /* Create a ton of quick-executing threads, then wait for them to complete. */ for (i = 0; i < 1000; ++i) { for (j = 0; j < 256; ++j) { pthread_create (&threads[j], &attr, thread_function, (void *)(i * 1000 + j)); } for (j = 0; j < 256; ++j) { pthread_join (threads[j], NULL); } } pthread_attr_destroy (&attr); return 0; } --------------090008040204020503090708 Content-Type: text/plain; name="manythreads.exp" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="manythreads.exp" Content-length: 3495 # manythreads.exp -- Expect script to test stopping many threads # Copyright (C) 2004 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 2 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # Please email any bugs, comments, and/or additions to this file to: # bug-gdb@prep.ai.mit.edu # This file was written by Jeff Johnston. (jjohnstn@redhat.com) if $tracelevel then { strace $tracelevel } set prms_id 0 set bug_id 0 set testfile "manythreads" set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } { return -1 } gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} gdb_test "set print sevenbit-strings" "" runto_main # We'll need this when we send_gdb a ^C to GDB. Need to do it before we # run the program and gdb starts saving and restoring tty states. # On Ultrix, we don't need it and it is really slow (because shell_escape # doesn't use vfork). if ![istarget "*-*-ultrix*"] then { gdb_test "shell stty intr '^C'" "" } gdb_test_multiple "continue" "first continue" { -re "ERROR:.*$gdb_prompt $" { fail "$message" } -re "Continuing" { pass "$message" } } # Send a Ctrl-C and verify that we can do info threads and continue after 1000 {send_gdb "\003"} gdb_test_multiple "" "stop threads 1" { -re "\\\[New thread \[^\]\]*\\\]\r\n" { exp_continue } -re "\\\[Thread \[^\]\]* exited\\\]\r\n" { exp_continue } -re "Thread.*executing\r\n" { exp_continue } -re "Program received signal SIGINT.*$gdb_prompt $" { pass "$message" } timeout { fail "$message (timeout)" } } gdb_test "info threads" ".*1 Thread.*.LWP.*" gdb_test_multiple "continue" "second continue" { -re "ERROR:.*$gdb_prompt $" { fail "$message" } -re "Continuing" { pass "$message" } } # Send another Ctrl-C and verify that we can do info threads and quit after 1000 {send_gdb "\003"} gdb_test_multiple "" "stop threads 2" { -re "\\\[New thread \[^\]\]*\\\]\r\n" { exp_continue } -re "\\\[Thread \[^\]\]* exited\\\]\r\n" { exp_continue } -re "Thread.*executing\r\n" { exp_continue } -re "Program received signal SIGINT.*$gdb_prompt $" { pass "stop threads 2" } timeout { fail "stop threads 2 (timeout)" } } gdb_test_multiple "quit" "GDB exits after stopping multithreaded program" { -re "The program is running. Exit anyway\\? \\(y or n\\) $" { gdb_test_multiple "y" "$message" { eof { pass "GDB exits after stopping multithreaded program" } } } eof { pass "GDB exits after stopping multithreaded program" } timeout { fail "GDB exits after stopping multithreaded program (timeout)" } } --------------090008040204020503090708--