2 files changed, 82 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/sigchld.c b/gdb/testsuite/gdb.base/sigchld.c
new file mode 100644
index 0000000..7cee041
--- /dev/null
+++ b/gdb/testsuite/gdb.base/sigchld.c
@@ -0,0 +1,37 @@
+/* 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/>.
+*/
+
+/* Check that GDB isn't messing the SIGCHLD mask while creating an
+   inferior.  */
+
+#include <signal.h>
+#include <stdlib.h>
+
+int
+main ()
+{
+  sigset_t mask;
+
+  sigemptyset (&mask);
+  sigprocmask (SIG_BLOCK, NULL, &mask);
+
+  if (!sigismember (&mask, SIGCHLD))
+    return 0; /* good, not blocked */
+  else
+    return 1; /* bad, blocked */
+}
diff --git a/gdb/testsuite/gdb.base/sigchld.exp b/gdb/testsuite/gdb.base/sigchld.exp
new file mode 100644
index 0000000..3151b29
--- /dev/null
+++ b/gdb/testsuite/gdb.base/sigchld.exp
@@ -0,0 +1,45 @@
+# 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/>.
+
+# Check that GDB isn't messing the SIGCHLD mask while creating an
+# inferior.
+
+if [target_info exists gdb,nosignals] {
+    verbose "Skipping sigchld.exp because of nosignals."
+    continue
+}
+
+set testfile "sigchld"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+runto_main
+
+gdb_test "b [gdb_get_line_number "good, not blocked"]" \
+         ".*Breakpoint .*sigchld.*" "set breakpoint at success exit"
+
+gdb_test "b [gdb_get_line_number "bad, blocked"]" \
+         ".*Breakpoint .*sigchld.*" "set breakpoint at failure exit"
+
+gdb_test "continue" ".*good, not blocked.*" "SIGCHLD blocked in inferior"