libsysactivity 0.6.2
src/common/process.h
00001 /*
00002  * libsysactivity
00003  * http://sourceforge.net/projects/libsysactivity/
00004  * Copyright (c) 2009, 2010 Carlos Olmedo Escobar <carlos.olmedo.e@gmail.com>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00025 #ifndef SA_PROCESS_H_
00026 #define SA_PROCESS_H_
00027 
00028 #include <sys/types.h>
00029 
00033 SA_EXPORT enum sa_process_state {
00034         SA_UNKNOWN = 0, 
00035         SA_RUNNING = 1, 
00036         SA_SLEEPING = 2, 
00037         SA_SLEEPING_UNINTERRUPTIBLE = 3, 
00038         SA_ZOMBIE = 4, 
00039         SA_STOPPED = 5, 
00040 };
00041 
00045 SA_EXPORT struct sa_process_activity {
00046 #ifdef SA_PROCESS_PID
00047         pid_t pid; 
00048 #endif
00049 #ifdef SA_PROCESS_STATE
00050         enum sa_process_state state; 
00051 #endif
00052 #ifdef SA_PROCESS_USER_TIME // TODO Explain these better
00053         uint64_t user_time; 
00054 #endif
00055 #ifdef SA_PROCESS_SYS_TIME
00056         uint64_t sys_time; 
00057 #endif
00058 #ifdef SA_PROCESS_THREADS
00059         uint32_t threads; 
00060 #endif
00061 #ifdef SA_PROCESS_VM_SIZE
00062         uint32_t vm_size; 
00063 #endif
00064 #ifdef SA_PROCESS_RSS
00065         uint32_t rss; 
00066 #endif
00067 };
00068 
00072 SA_EXPORT struct sa_process {
00073 #ifdef SA_PROCESS_PID
00074         pid_t pid; 
00075 #endif
00076 #ifdef SA_PROCESS_UID
00077         uid_t uid; 
00078 #endif
00079 #ifdef SA_PROCESS_GID
00080         gid_t gid; 
00081 #endif
00082 #ifdef SA_PROCESS_FILENAME
00083         char filename[SA_PROCESS_FILENAME]; 
00084 #endif
00085 #ifdef SA_PROCESS_CMDLINE
00086         char cmdline[SA_PROCESS_CMDLINE]; 
00087 #endif
00088 #ifdef SA_PROCESS_PARENT_PID
00089         pid_t parent_pid; 
00090 #endif
00091 #ifdef SA_PROCESS_PGRP
00092         pid_t pgrp; 
00093 #endif
00094 #ifdef SA_PROCESS_SID
00095         pid_t sid; 
00096 #endif
00097 #ifdef SA_PROCESS_TTY
00098         pid_t tty; 
00099 #endif
00100 #ifdef SA_PROCESS_NICE
00101         int8_t nice; 
00102 #endif
00103 #ifdef SA_PROCESS_START_TIME
00104         uint64_t start_time; 
00105 #endif
00106 struct sa_process_activity activity;
00107 };
00108 
00109 #ifdef SA_OPEN_PROCESS
00110 
00115 int sa_open_process() SA_EXPORT;
00116 #endif
00117 
00118 #ifdef SA_CLOSE_PROCESS
00119 
00124 int sa_close_process() SA_EXPORT;
00125 #endif
00126 
00132 int sa_count_processes(uint32_t* number) SA_EXPORT SA_NONNULL;
00133 
00142 int sa_get_processes_ids(pid_t* dst, uint32_t dst_size, uint32_t* written) SA_EXPORT SA_NONNULL;
00143 
00150 int sa_get_process(pid_t pid, struct sa_process* dst) SA_EXPORT SA_NONNULL;
00151 
00159 int sa_get_process_activity(pid_t pid, struct sa_process_activity* dst) SA_EXPORT SA_NONNULL;
00160 
00162 #endif /* SA_PROCESS_H_ */
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