1 /*
   2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP
  25 #define OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 








  29 class ZSyscall : public AllStatic {
  30 public:
  31   static int memfd_create(const char *name, unsigned int flags);
  32   static int fallocate(int fd, int mode, size_t offset, size_t length);

  33 };
  34 
  35 #endif // OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP

   1 /*
   2  * Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP
  25 #define OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 
  29 // Flags for get_mempolicy()
  30 #ifndef MPOL_F_NODE
  31 #define MPOL_F_NODE        (1<<0)
  32 #endif
  33 #ifndef MPOL_F_ADDR
  34 #define MPOL_F_ADDR        (1<<1)
  35 #endif
  36 
  37 class ZSyscall : public AllStatic {
  38 public:
  39   static int memfd_create(const char* name, unsigned int flags);
  40   static int fallocate(int fd, int mode, size_t offset, size_t length);
  41   static long get_mempolicy(int* mode, unsigned long* nodemask, unsigned long maxnode, void* addr, unsigned long flags);
  42 };
  43 
  44 #endif // OS_LINUX_GC_Z_ZSYSCALL_LINUX_HPP