1 files changed, 54 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/allocrtsig.c b/nptl/sysdeps/unix/sysv/linux/allocrtsig.c
new file mode 100644
index 0000000000..5badaea9ec
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/allocrtsig.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 2002 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 <signal.h>
+
+
+static int current_rtmin = __SIGRTMIN + 1;
+static int current_rtmax = __SIGRTMAX;
+
+
+/* We reserve __SIGRTMIN for use as the cancelation signal.  This
+   signal is used internally.  */
+int
+__libc_current_sigrtmin (void)
+{
+  return current_rtmin;
+}
+strong_alias (__libc_current_sigrtmin, __libc_current_sigrtmin_private)
+
+
+int
+__libc_current_sigrtmax (void)
+{
+  return current_rtmax;
+}
+strong_alias (__libc_current_sigrtmax, __libc_current_sigrtmax_private)
+
+
+int
+__libc_allocate_rtsig (int high)
+{
+  if (current_rtmin == -1 || current_rtmin > current_rtmax)
+    /* We don't have anymore signal available.  */
+    return -1;
+
+  return high ? current_rtmin++ : current_rtmax--;
+}
+strong_alias (__libc_allocate_rtsig, __libc_allocate_rtsig_private)