Merged changes from kopensolaris-gnu project

http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu/glibc.git

Commits from 9157319 to bad8ac8.

This is only partial patch, some changes to not apply
and will be resovled and committed next.

1 files changed, 52 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigwait.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigwait.c
new file mode 100644
index 0000000000..687fb84082
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigwait.c
@@ -0,0 +1,52 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
+
+   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 <sysdep-cancel.h>
+#include <signal.h>
+#include <errno.h>
+
+int
+__sigwait (const sigset_t *set, int *sig)
+{
+  /* sigwait returns the errno directly and doesn't touch the
+      global errno value so we need to be careful */
+  int save_errno = errno;
+
+  if (set == NULL || sig == NULL)
+    return EINVAL;
+
+  /* sigtimedwait is cancelable so don't implement cancellation here;
+    we also don't check for SIGCANCEL since we do that in sigtimedwait */
+  int result = sigtimedwait (set, NULL, NULL);
+  if (result == -1)
+    {
+      result = errno;
+      __set_errno (save_errno);
+    }
+  else
+    {
+      *sig = result;
+    }
+
+  return 0;
+}
+
+libc_hidden_def (__sigwait)
+weak_alias (__sigwait, sigwait)
+LIBC_CANCEL_HANDLED (); /* handled by sigtimedwait */