land b1_5 onto HEAD

[fs/lustre-release.git] / lustre / include / darwin / lustre_lib.h

diff --git a/lustre/include/darwin/lustre_lib.h b/lustre/include/darwin/lustre_lib.h
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+++ b/lustre/include/darwin/lustre_lib.h
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+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ *  Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Basic Lustre library routines.
+ *
+ */
+
+#ifndef _DARWIN_LUSTRE_LIB_H
+#define _DARWIN_LUSTRE_LIB_H
+
+#ifndef _LUSTRE_LIB_H
+#error Do not #include this file directly. #include <lustre_lib.h> instead
+#endif
+
+#include <string.h>
+#include <libcfs/libcfs.h>
+#include <libcfs/kp30.h> 
+
+#ifndef LP_POISON
+#define LI_POISON ((int)0x5a5a5a5a)
+#define LL_POISON ((long)0x5a5a5a5a)
+#define LP_POISON ((void *)(long)0x5a5a5a5a)
+#endif
+
+#ifndef LPU64
+#define LPU64 "%llu"
+#define LPD64 "%lld"
+#define LPX64 "%llx"
+#endif
+
+struct obd_ioctl_data;
+#define OBD_IOC_DATA_TYPE               struct obd_ioctl_data
+
+#define LUSTRE_FATAL_SIGS (sigmask(SIGKILL) | sigmask(SIGINT) |                \
+                           sigmask(SIGTERM) | sigmask(SIGQUIT) |               \
+                           sigmask(SIGALRM) | sigmask(SIGHUP))
+
+#ifdef __KERNEL__
+static inline sigset_t l_w_e_set_sigs(sigset_t sigs)
+{
+        sigset_t old = 0;
+
+        /* XXX Liang: how to change sigmask in Darwin8.x? 
+         * there is syscall like pthread_sigmask() but we cannot 
+         * use in kernel  */
+#if !defined(__DARWIN8__)
+        struct proc     *p = current_proc();
+        extern int block_procsigmask(struct proc *p,  int bit);
+        old = cfs_current()->uu_sigmask;
+        block_procsigmask(p, ~sigs);
+#endif
+
+        return old;
+}
+#endif
+
+#endif
+
+