1 files changed, 89 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/posix/sigpause.c b/REORG.TODO/sysdeps/posix/sigpause.c
new file mode 100644
index 0000000000..9038ed368d
--- /dev/null
+++ b/REORG.TODO/sysdeps/posix/sigpause.c
@@ -0,0 +1,89 @@
+/* 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/>.  */
+
+#define sigpause __rename_sigpause
+#include <errno.h>
+#include <signal.h>
+#include <stddef.h>		/* For NULL.  */
+#include <sysdep-cancel.h>
+#undef sigpause
+
+#include <sigset-cvt-mask.h>
+
+/* Set the mask of blocked signals to MASK,
+   wait for a signal to arrive, and then restore the mask.  */
+static int
+do_sigpause (int sig_or_mask, int is_sig)
+{
+  sigset_t set;
+
+  if (is_sig != 0)
+    {
+      /* The modern X/Open implementation is requested.  */
+      if (__sigprocmask (0, NULL, &set) < 0
+	  || sigdelset (&set, sig_or_mask) < 0)
+	return -1;
+    }
+  else if (sigset_set_old_mask (&set, sig_or_mask) < 0)
+    return -1;
+
+  /* Note the sigpause() is a cancellation point.  But since we call
+     sigsuspend() which itself is a cancellation point we do not have
+     to do anything here.  */
+  return __sigsuspend (&set);
+}
+
+int
+__sigpause (int sig_or_mask, int is_sig)
+{
+  if (SINGLE_THREAD_P)
+    return do_sigpause (sig_or_mask, is_sig);
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
+  int result = do_sigpause (sig_or_mask, is_sig);
+
+  LIBC_CANCEL_RESET (oldtype);
+
+  return result;
+}
+libc_hidden_def (__sigpause)
+
+/* We have to provide a default version of this function since the
+   standards demand it.  The version which is a bit more reasonable is
+   the BSD version.  So make this the default.  */
+int
+__attribute__ ((weak))
+__default_sigpause (int mask)
+{
+  return __sigpause (mask, 0);
+}
+#undef sigpause
+weak_alias (__default_sigpause, sigpause)
+strong_alias (__default_sigpause, __libc_sigpause)
+
+
+/* We have to provide a default version of this function since the
+   standards demand it.  The version which is a bit more reasonable is
+   the BSD version.  So make this the default.  */
+int
+__attribute__ ((weak))
+__xpg_sigpause (int sig)
+{
+  return __sigpause (sig, 1);
+}
+strong_alias (__xpg_sigpause, __libc___xpg_sigpause)