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, 69 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigprocmask.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigprocmask.c
new file mode 100644
index 0000000000..d98b92a057
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/sigprocmask.c
@@ -0,0 +1,69 @@
+/* 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 <inline-syscall.h>
+#include <signal.h>
+#include <memory.h>
+
+DECLARE_INLINE_SYSCALL (int64_t, lwp_sigmask, int how, unsigned int bits0,
+    unsigned int bits1);
+
+int
+__sigprocmask (how, set, oset)
+     int how;
+     const sigset_t *set;
+     sigset_t *oset;
+{
+  /* we don't want people blocking SIGCANCEL */
+  sigset_t tmpset;
+  if (set != NULL && __builtin_expect (__sigismember(set, SIGCANCEL), 0))
+    {
+      memcpy (&tmpset, set, sizeof(sigset_t));
+      __sigdelset (&tmpset, SIGCANCEL);
+      set = &tmpset;
+    }
+
+  /* we need to convert from sigset_t to two bit fields */
+  unsigned int bits0, bits1;
+  if (set)
+    {
+      bits0 = set->__sigbits[0];
+      bits1 = set->__sigbits[1];
+    }
+  else
+    {
+        bits0 = bits1 = how = 0;
+    }
+
+  /* we call lwp_sigmask to set the per-thread sigmask */
+  rval_t result;
+  result.rval64 = INLINE_SYSCALL (lwp_sigmask, 3, how, bits0, bits1);
+
+  /* now we need to convert from two bit fields to sigset_t */
+  if (oset)
+    {
+      oset->__sigbits[0] = result.rval1;
+      oset->__sigbits[1] = result.rval2;
+      oset->__sigbits[2] = oset->__sigbits[3] = 0;
+    }
+
+  return 0;
+}
+
+weak_alias (__sigprocmask, sigprocmask)