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198297aafb
linux_nat_is_async_p currently always returns true, even when the target is _not_ async. That confuses gdb_readline_wrapper/gdb_readline_wrapper_cleanup, which force-disables target-async while the secondary prompt is active. As a result, when gdb_readline_wrapper returns, the target is left async, even through it was sync to begin with. That can result in weird bugs, like the one the test added by this commit exposes. Ref: https://sourceware.org/ml/gdb-patches/2015-01/msg00592.html gdb/ChangeLog: 2015-01-23 Pedro Alves <palves@redhat.com> * linux-nat.c (linux_is_async_p): New macro. (linux_nat_is_async_p): (linux_nat_terminal_inferior): Check whether the target can async instead of whether it is already async. (linux_nat_terminal_ours): Don't check whether the target is async. (linux_async_pipe): Use linux_is_async_p. gdb/testsuite/ChangeLog: 2015-01-23 Pedro Alves <palves@redhat.com> * gdb.threads/continue-pending-after-query.c: New file. * gdb.threads/continue-pending-after-query.exp: New file.
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2013-2015 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <pthread.h>
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static int global;
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static void
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break_function (void)
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{
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global = 42; /* set break here */
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}
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static void *
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thread_function (void *arg)
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{
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break_function ();
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return arg;
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}
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int
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main (void)
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{
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pthread_t th;
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pthread_create (&th, NULL, thread_function, NULL);
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break_function ();
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pthread_join (th, NULL);
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return 0;
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}
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