From 88fc996f5819bf526d17f6f273135943ac41ab38 Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Fri, 27 Mar 2009 02:44:51 +0000 Subject: * thread.c (do_restore_current_thread_cleanup): Redo test for whether to restore old->inferior_ptid. * gdb.mi/mi-nonstop-exit.exp: New file. * gdb.mi/non-stop-exit.c: New file. --- gdb/ChangeLog | 5 ++ gdb/testsuite/ChangeLog | 5 ++ gdb/testsuite/gdb.mi/mi-nonstop-exit.exp | 106 +++++++++++++++++++++++++++++++ gdb/testsuite/gdb.mi/non-stop-exit.c | 54 ++++++++++++++++ gdb/thread.c | 7 +- 5 files changed, 173 insertions(+), 4 deletions(-) create mode 100644 gdb/testsuite/gdb.mi/mi-nonstop-exit.exp create mode 100644 gdb/testsuite/gdb.mi/non-stop-exit.c (limited to 'gdb') diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 9d5efa4..368d45e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2009-03-26 Doug Evans + + * thread.c (do_restore_current_thread_cleanup): Redo test for + whether to restore old->inferior_ptid. + 2009-03-26 Tom Tromey * breakpoint.c (resolve_sal_pc): Preserve original line number diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index d9b5555..c59e194 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-03-26 Doug Evans + + * gdb.mi/mi-nonstop-exit.exp: New file. + * gdb.mi/non-stop-exit.c: New file. + 2009-03-26 Tom Tromey Update for change to prologue skipping: diff --git a/gdb/testsuite/gdb.mi/mi-nonstop-exit.exp b/gdb/testsuite/gdb.mi/mi-nonstop-exit.exp new file mode 100644 index 0000000..8167a07 --- /dev/null +++ b/gdb/testsuite/gdb.mi/mi-nonstop-exit.exp @@ -0,0 +1,106 @@ +# Copyright 2009 +# 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 . + +# This only works with native configurations +if {![isnative]} { + return +} + +load_lib mi-support.exp +set MIFLAGS "-i=mi" + +gdb_exit +if {[mi_gdb_start]} { + continue +} + +# +# Start here +# +set testfile "non-stop-exit" +set srcfile "$testfile.c" +set binfile "$objdir/$subdir/mi-$testfile" + +set options [list debug incdir=$objdir] +if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { + return -1 +} + +mi_gdb_reinitialize_dir $srcdir/$subdir +mi_gdb_load $binfile + +set supported 0 +send_gdb "-gdb-show non-stop\n" +gdb_expect { + -re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" { + if { $expect_out(1,string) == "1" } { + set supported 1 + } + } + -re ".$mi_gdb_prompt$" { + } +} + +mi_gdb_test "-gdb-set non-stop 1" ".*" +mi_gdb_test "-gdb-set target-async 1" ".*" +detect_async + +mi_gdb_test "200-break-insert -t main" ".*" + +set created "=thread-created,id=\"$decimal\"\r\n" +set running "\\*running,thread-id=\"$decimal\"\r\n" + +set notifs "($created)*($running)*($library_loaded_re)*" + +# Note: presently, we skip this test on non-native targets, +# so 'run' is OK. As soon as we start to run this on remote +# target, the logic from mi_run_cmd will have to be refactored. +send_gdb "-exec-run\n" +gdb_expect { + -re "\\^running\r\n$notifs$mi_gdb_prompt" { + } + -re "\\^error,msg=\"The target does not support running in non-stop mode.\"" { + verbose -log "Non-stop mode not supported, skipping all tests" + return + } + -re "\r\n$mi_gdb_prompt" { + perror "Cannot start target (unknown output after running)" + return -1 + } + timeout { + perror "Cannot start target (timeout)" + return -1 + } +} +mi_expect_stop "breakpoint-hit" main ".*" ".*" "\[0-9\]+" { "" "disp=\"del\"" } "run to main" + +mi_send_resuming_command "exec-continue" "continue" + +mi_expect_stop "exited-normally" "" "" "" "" "" "finished exec continue" + +# Run the program again. + +mi_gdb_test "200-break-insert -t main" ".*" + +mi_send_resuming_command "exec-run" "run (2)" + +mi_expect_stop "breakpoint-hit" main ".*" ".*" "\[0-9\]+" { "" "disp=\"del\"" } "run to main (2)" + +mi_send_resuming_command "exec-continue" "continue (2)" + +mi_expect_stop "exited-normally" "" "" "" "" "" "finished exec continue (2)" + +mi_gdb_exit diff --git a/gdb/testsuite/gdb.mi/non-stop-exit.c b/gdb/testsuite/gdb.mi/non-stop-exit.c new file mode 100644 index 0000000..165ae84 --- /dev/null +++ b/gdb/testsuite/gdb.mi/non-stop-exit.c @@ -0,0 +1,54 @@ +/* Test program exit in non-stop mode. + Copyright 2009 Free Software Foundation, Inc. + + This file is part of GDB. + + 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 . */ + +#include +#include + +#define NTHREADS 4 +void* thread_function (void*); + +void * +thread_function (void *arg) +{ + int x = * (int *) arg; + + printf ("Thread <%d> executing\n", x); + + return NULL; +} + +int +main () +{ + pthread_t thread_id[NTHREADS]; + int args[NTHREADS]; + int i; + + for (i = 0; i < NTHREADS; ++i) + { + args[i] = i; + pthread_create (&thread_id[i], NULL, thread_function, &args[i]); + } + + for (i = 0; i < NTHREADS; ++i) + { + pthread_join (thread_id[i], NULL); + } + + return 0; +} diff --git a/gdb/thread.c b/gdb/thread.c index 613137a..a1617f2 100644 --- a/gdb/thread.c +++ b/gdb/thread.c @@ -924,11 +924,10 @@ do_restore_current_thread_cleanup (void *arg) then don't revert back to it, but instead simply drop back to no thread selected. */ if (tp - && is_exited (tp->ptid) - && find_inferior_pid (ptid_get_pid (tp->ptid)) == NULL) - restore_current_thread (null_ptid); - else + && find_inferior_pid (ptid_get_pid (tp->ptid)) != NULL) restore_current_thread (old->inferior_ptid); + else + restore_current_thread (null_ptid); /* The running state of the originally selected thread may have changed, so we have to recheck it here. */ -- cgit v1.1