1 /* 2 * Copyright (c) 2012, 2015 SAP SE. 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 // Specify NULL for numbers you are not interested in. 46 // 47 // returns false if an error happened. Activate OsMisc trace for 48 // trace output. 49 // 50 static bool get_memory_info (unsigned long long* p_virt_total, unsigned long long* p_real_total, 51 unsigned long long* p_real_free, unsigned long long* p_pgsp_total, unsigned long long* p_pgsp_free); 52 53 // returns information about system load 54 // (similar to "loadavg()" under other Unices) 55 // 56 // Specify NULL for numbers you are not interested in. 57 // 58 // returns false if an error happened. Activate OsMisc trace for 59 // trace output. 60 // 61 static bool get_load_avg (double* p_avg1, double* p_avg5, double* p_avg15); 62 63 // this is a replacement for the "realpath()" API which does not really work 64 // on PASE 65 // 66 // Specify NULL for numbers you are not interested in. 67 // 68 // returns false if an error happened. Activate OsMisc trace for 69 // trace output. 70 // 71 static bool realpath (const char* file_name, 72 char* resolved_name, int resolved_name_len); 73 74 }; 75 76 #endif // OS_AIX_VM_LIBO4_HPP 77