1 files changed, 56 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/sigprocmask.c b/REORG.TODO/sysdeps/unix/sysv/linux/sigprocmask.c
new file mode 100644
index 0000000000..e39e5f6872
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/sigprocmask.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <signal.h>
+#include <string.h>  /* Needed for string function builtin redirection.  */
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <nptl/pthreadP.h>              /* SIGCANCEL, SIGSETXID */
+
+
+/* Get and/or change the set of blocked signals.  */
+int
+__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
+{
+#ifdef SIGCANCEL
+  sigset_t local_newmask;
+
+  /* The only thing we have to make sure here is that SIGCANCEL and
+     SIGSETXID are not blocked.  */
+  if (set != NULL
+      && (__builtin_expect (__sigismember (set, SIGCANCEL), 0)
+# ifdef SIGSETXID
+	  || __builtin_expect (__sigismember (set, SIGSETXID), 0)
+# endif
+	  ))
+    {
+      local_newmask = *set;
+      __sigdelset (&local_newmask, SIGCANCEL);
+# ifdef SIGSETXID
+      __sigdelset (&local_newmask, SIGSETXID);
+# endif
+      set = &local_newmask;
+    }
+#endif
+
+  return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8);
+}
+weak_alias (__sigprocmask, sigprocmask)