1 # Copyright (C) 2004, 2007-2012 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # Please email any bugs, comments, and/or additions to this file to:
19 # This file verifies that GDB is able to compute a backtrace for a thread
20 # being blocked on a call to pthread_cond_wait().
22 set testfile "pthread_cond_wait"
23 set srcfile ${testfile}.c
24 set binfile ${objdir}/${subdir}/${testfile}
26 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
32 gdb_reinitialize_dir $srcdir/$subdir
36 gdb_test "break break_me" \
37 "Breakpoint 2 at .*: file .*${srcfile}, line .*" \
38 "breakpoint on break_me"
41 ".*Breakpoint 2, break_me ().*" \
45 # Backtrace all threads, find the one running noreturn, and
46 # verify that we are able to get a sensible backtrace, including
47 # the frame for the pthread_cond_wait() call.
49 # The string below will only match if the functions named
50 # occur in a single thread's backtrace, in the given order.
57 # This is a "backtrace break" ("btb"):
59 set btb "\[^\r\n\]+\[\r\n\]+\#${decimal}\[ \t\]+${hex} in "
61 # One of the threads is blocked on a call to pthread_cond_wait, and
62 # we want to verify that we are able to get a sensible backtrace for
63 # that thread. Because we don't know its thread ID, we can't switch
64 # to it before doing the backtrace. So we get a backtrace for all
65 # threads, and verify that one them returns the expected backtrace.
66 gdb_test "thread apply all backtrace" \
67 "pthread_cond_wait${btb}cond_wait${btb}noreturn${btb}forever_pthread.*" \
68 "backtrace in blocked thread"