buildsys: fixup sigaction handling

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/pthread/pt-sigaction.c b/libpthread/nptl/sysdeps/pthread/pt-sigaction.c
new file mode 100644
index 000000000..8b34cd936
--- /dev/null
+++ b/libpthread/nptl/sysdeps/pthread/pt-sigaction.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <pthreadP.h>
+#include <signal.h>
+
+/* We use the libc implementation but we tell it to not allow
+   SIGCANCEL or SIGTIMER to be handled.  */
+
+extern __typeof(sigaction) __libc_sigaction;
+int
+__sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
+{
+  if (unlikely (sig == SIGCANCEL || sig == SIGSETXID))
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return __libc_sigaction (sig, act, oact);
+}
+libc_hidden_proto(sigaction)
+weak_alias (__sigaction, sigaction)
+libc_hidden_weak(sigaction)