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, 81 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c
new file mode 100644
index 0000000000..13cb35dfba
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c
@@ -0,0 +1,81 @@
+/* Copyright (C) 2002, 2003, 2005, 2008 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <inline-syscall.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stddef.h>
+#include <not-cancel.h>
+
+DECLARE_INLINE_SYSCALL (int64_t, lwp_sigmask, int how, unsigned int bits0,
+    unsigned int bits1);
+
+
+#ifdef _LIBC_REENTRANT
+static void cancel_handler (void *arg);
+
+# define CLEANUP_HANDLER \
+  __libc_cleanup_region_start (1, cancel_handler, &pid)
+
+# define CLEANUP_RESET \
+  __libc_cleanup_region_end (0)
+
+#define FORK() __fork_block_signals (&pid)
+
+static inline pid_t __fork_block_signals (pid_t *pid)
+{
+  /* Block all signals. */
+  rval_t oldmask;
+  oldmask.rval64 = INLINE_SYSCALL (lwp_sigmask, 3, SIG_SETMASK,
+      (unsigned int)-1, (unsigned int)-1);
+
+  *pid = fork ();
+
+  /* Restore signals.  */
+  (void)INLINE_SYSCALL (lwp_sigmask, 3, SIG_SETMASK,
+      (unsigned int)oldmask.rval1, (unsigned int)oldmask.rval2);
+
+  return *pid;
+}
+#endif
+
+#include <sysdeps/posix/system.c>
+
+#ifdef _LIBC_REENTRANT
+/* The cancellation handler.  */
+static void
+cancel_handler (void *arg)
+{
+  pid_t child = *(pid_t *) arg;
+
+  __kill (child, SIGKILL);
+
+  TEMP_FAILURE_RETRY (__waitpid (child, NULL, 0));
+
+  DO_LOCK ();
+
+  if (SUB_REF () == 0)
+    {
+      (void) __sigaction (SIGQUIT, &quit, (struct sigaction *) NULL);
+      (void) __sigaction (SIGINT, &intr, (struct sigaction *) NULL);
+    }
+
+  DO_UNLOCK ();
+}
+#endif