1 /* 2 * Copyright 2012, 2013 SAP AG. 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 25 // A C++ wrapper around the libo4 porting library. The libo4 porting library 26 // is a set of bridge functions into native AS/400 functionality. 27 28 #ifndef OS_AIX_VM_LIBO4_HPP 29 #define OS_AIX_VM_LIBO4_HPP 30 31 32 class libo4 { 33 public: 34 35 // Initialize the libo4 porting library. 36 // Returns true if succeeded, false if error. 37 static bool init(); 38 39 // cleanup of the libo4 porting library. 40 static void cleanup(); 41 42 // returns a number of memory statistics from the 43 // AS/400. 44 // 45 // See libo4.h (at //bas2/sapjvm/dev/common/libs/libo4/include) 46 // for details on this API. 47 // 48 // Specify NULL for numbers you are not interested in. 49 // 50 // returns false if an error happened. Activate OsMisc trace for 51 // trace output. 52 // 53 static bool get_memory_info (unsigned long long* p_virt_total, unsigned long long* p_real_total, 54 unsigned long long* p_real_free, unsigned long long* p_pgsp_total, unsigned long long* p_pgsp_free); 55 56 // returns information about system load 57 // (similar to "loadavg()" under other Unices) 58 // 59 // See libo4.h (at //bas2/sapjvm/dev/common/libs/libo4/include) 60 // for details on this API. 61 // 62 // Specify NULL for numbers you are not interested in. 63 // 64 // returns false if an error happened. Activate OsMisc trace for 65 // trace output. 66 // 67 static bool get_load_avg (double* p_avg1, double* p_avg5, double* p_avg15); 68 69 // this is a replacement for the "realpath()" API which does not really work 70 // on PASE 71 // 72 // See also CSN Internal Message 0001182318 2008 73 // 74 // See libo4.h (at //bas2/sapjvm/dev/common/libs/libo4/include) 75 // for details on this API. 76 // 77 // Specify NULL for numbers you are not interested in. 78 // 79 // returns false if an error happened. Activate OsMisc trace for 80 // trace output. 81 // 82 static bool realpath (const char* file_name, 83 char* resolved_name, int resolved_name_len); 84 85 }; 86 87 #endif // OS_AIX_VM_LIBO4_HPP 88