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-rw-r--r--REORG.TODO/signal/sigprocmask.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/REORG.TODO/signal/sigprocmask.c b/REORG.TODO/signal/sigprocmask.c
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+++ b/REORG.TODO/signal/sigprocmask.c
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+/* Copyright (C) 1991-2017 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>
+
+
+/* If SET is not NULL, modify the current set of blocked signals
+   according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK.
+   If OSET is not NULL, store the old set of blocked signals in *OSET.  */
+int
+__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
+{
+  switch (how)
+    {
+    case SIG_BLOCK:
+    case SIG_UNBLOCK:
+    case SIG_SETMASK:
+      break;
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+/* No stub warning because abort calls __sigprocmask,
+   and we don't want warnings for every use of abort on
+   a system without safe signals.  */
+
+weak_alias (__sigprocmask, sigprocmask)