* linux-nat.c (linux_child_follow_fork): Call also CHECK_FOR_THREAD_DB.

	* gdb.threads/fork-child-threads.exp, gdb.threads/fork-child-threads.c:
	New files

1 files changed, 49 insertions, 0 deletions

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"