diff options
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/linux-nat.c | 1 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.threads/fork-child-threads.c | 50 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.threads/fork-child-threads.exp | 49 |
5 files changed, 109 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e3b9714..803027e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2008-01-02 Jan Kratochvil <jan.kratochvil@redhat.com> + + * linux-nat.c (linux_child_follow_fork): Call also CHECK_FOR_THREAD_DB. + 2008-01-02 Joel Brobecker <brobecker@adacore.com> * ada-lang.c (ada_evaluate_subexp): Modify the value returned diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 09f538b..b79e40f 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -517,6 +517,7 @@ linux_child_follow_fork (struct target_ops *ops, int follow_child) push_target (ops); linux_nat_switch_fork (inferior_ptid); + check_for_thread_db (); /* Reset breakpoints in the child as appropriate. */ follow_inferior_reset_breakpoints (); diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index f04535f..f99b9b4 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-01-02 Jan Kratochvil <jan.kratochvil@redhat.com> + + * gdb.threads/fork-child-threads.exp, gdb.threads/fork-child-threads.c: + New files + 2008-01-02 Joel Brobecker <brobecker@adacore.com> * array_subscript_addr/p.adb: New file. diff --git a/gdb/testsuite/gdb.threads/fork-child-threads.c b/gdb/testsuite/gdb.threads/fork-child-threads.c new file mode 100644 index 0000000..831ba5c --- /dev/null +++ b/gdb/testsuite/gdb.threads/fork-child-threads.c @@ -0,0 +1,50 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2008 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/>. */ + +#include <pthread.h> +#include <assert.h> +#include <unistd.h> + +static void * +start (void *arg) +{ + assert (0); + return arg; +} + +int main(void) +{ + pthread_t thread; + int i; + + switch (fork ()) + { + case -1: + assert (0); + default: + break; + case 0: + i = pthread_create (&thread, NULL, start, NULL); + assert (i == 0); + i = pthread_join (thread, NULL); + assert (i == 0); + + assert (0); + } + + return 0; +} diff --git a/gdb/testsuite/gdb.threads/fork-child-threads.exp b/gdb/testsuite/gdb.threads/fork-child-threads.exp new file mode 100644 index 0000000..b0b4e7f --- /dev/null +++ b/gdb/testsuite/gdb.threads/fork-child-threads.exp @@ -0,0 +1,49 @@ +# Copyright (C) 2008 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/>. + +# Only GNU/Linux is known to support `set follow-fork-mode child'. +if { ! [istarget "*-*-linux*"] } { + return 0 +} + +set testfile fork-child-threads +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} + +if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir + +gdb_load ${binfile} +if ![runto_main] then { + fail "Can't run to main" + return 0 +} + +gdb_test "set follow-fork-mode child" +gdb_breakpoint "start" +gdb_test "continue" "Breakpoint 2, start.*" "get to the spawned thread" + +# Wrong: +# * 2 LWP 4466 start (arg=0x0) at fork-child-threads.c:28 +# Correct: +# * 3 Thread 0x40a00950 (LWP 5553) start (arg=0x0) at ../.././gdb/testsuite/gdb.threads/fork-child-threads.c:28 +# 2 Thread 0x2aaaaaac3000 (LWP 5552) 0x00000031674076dd in pthread_join (threadid=<value optimized out>, thread_return=<value optimized out>) at pthread_join.c:89 + +gdb_test "info threads" " Thread .* Thread .*" "two threads found" |