aoqi@0: /* aoqi@0: * Copyright 2012, 2013 SAP AG. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@0: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. aoqi@0: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). aoqi@0: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@0: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: * aoqi@0: */ aoqi@0: aoqi@0: // encapsulates the libperfstat library. aoqi@0: // aoqi@0: // The purpose of this code is to dynamically load the libperfstat library aoqi@0: // instead of statically linking against it. The libperfstat library is an aoqi@0: // AIX-specific library which only exists on AIX, not on PASE. If I want to aoqi@0: // share binaries between AIX and PASE, I cannot directly link against libperfstat.so. aoqi@0: aoqi@0: #ifndef OS_AIX_VM_LIBPERFSTAT_AIX_HPP aoqi@0: #define OS_AIX_VM_LIBPERFSTAT_AIX_HPP aoqi@0: aoqi@0: #include aoqi@0: aoqi@0: class libperfstat { aoqi@0: aoqi@0: public: aoqi@0: aoqi@0: // Load the libperfstat library (must be in LIBPATH). aoqi@0: // Returns true if succeeded, false if error. aoqi@0: static bool init(); aoqi@0: aoqi@0: // cleanup of the libo4 porting library. aoqi@0: static void cleanup(); aoqi@0: aoqi@0: // direct wrappers for the libperfstat functionality. All they do is aoqi@0: // to call the functions with the same name via function pointers. aoqi@0: static int perfstat_cpu_total(perfstat_id_t *name, perfstat_cpu_total_t* userbuff, aoqi@0: int sizeof_userbuff, int desired_number); aoqi@0: aoqi@0: static int perfstat_memory_total(perfstat_id_t *name, perfstat_memory_total_t* userbuff, aoqi@0: int sizeof_userbuff, int desired_number); aoqi@0: aoqi@0: static void perfstat_reset(); aoqi@0: }; aoqi@0: aoqi@0: #endif // OS_AIX_VM_LIBPERFSTAT_AIX_HPP