| /* |
| * Copyright (c) 2012, 2016 SAP SE. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| // Class libo4 is a C++ wrapper around the libo4 porting library. It handles |
| // basic stuff like dynamic loading, library initialization etc. |
| // The libo4 porting library is a set of functions that bridge from the AIX |
| // runtime environment on OS/400 (aka PASE layer) into native OS/400 |
| // functionality (aka ILE layer) to close some functional gaps that exist in |
| // the PASE layer. |
| |
| #ifndef OS_AIX_VM_LIBO4_HPP |
| #define OS_AIX_VM_LIBO4_HPP |
| |
| class libo4 { |
| public: |
| // Initialize the libo4 porting library. |
| // Returns true if succeeded, false if error. |
| static bool init(); |
| |
| // Triggers cleanup of the libo4 porting library. |
| static void cleanup(); |
| |
| // Returns a number of memory statistics from OS/400. |
| // |
| // See libo4.h for details on this API. |
| // |
| // Specify NULL for numbers you are not interested in. |
| // |
| // Returns false if an error happened. Activate OsMisc trace for |
| // trace output. |
| // |
| static bool get_memory_info(unsigned long long* p_virt_total, |
| unsigned long long* p_real_total, |
| unsigned long long* p_real_free, |
| unsigned long long* p_pgsp_total, |
| unsigned long long* p_pgsp_free); |
| |
| // Returns information about system load |
| // (similar to "loadavg()" under other Unices) |
| // |
| // See libo4.h for details on this API. |
| // |
| // Specify NULL for numbers you are not interested in. |
| // |
| // Returns false if an error happened. Activate OsMisc trace for |
| // trace output. |
| // |
| static bool get_load_avg(double* p_avg1, double* p_avg5, double* p_avg15); |
| |
| // This is a replacement for the "realpath()" API which does not really work |
| // in PASE together with the (case insensitive but case preserving) |
| // filesystem on OS/400. |
| // |
| // See libo4.h for details on this API. |
| // |
| // Returns false if an error happened. Activate OsMisc trace for |
| // trace output. |
| // |
| static bool realpath(const char* file_name, char* resolved_name, |
| int resolved_name_len); |
| |
| // Call libo4_RemoveEscapeMessageFromJoblogByContext API to remove messages |
| // from the OS/400 job log. |
| // |
| // See libo4.h for details on this API. |
| static bool removeEscapeMessageFromJoblogByContext(const void* context); |
| }; |
| |
| #endif // OS_AIX_VM_LIBO4_HPP |