1 /******************************************************************************/ 2 /* */ 3 /* Copyright (c) International Business Machines Corp., 2007 */ 4 /* */ 5 /* This program is free software; you can redistribute it and/or modify */ 6 /* it under the terms of the GNU General Public License as published by */ 7 /* the Free Software Foundation; either version 2 of the License, or */ 8 /* (at your option) any later version. */ 9 /* */ 10 /* This program is distributed in the hope that it will be useful, */ 11 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 12 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ 13 /* the GNU General Public License for more details. */ 14 /* */ 15 /* You should have received a copy of the GNU General Public License */ 16 /* along with this program; if not, write to the Free Software */ 17 /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 18 /* */ 19 /******************************************************************************/ 20 21 /******************************************************************************/ 22 /* */ 23 /* File: libcontrollers.h */ 24 /* */ 25 /* Description: This file contains the declarations for the functions and */ 26 /* variables used by the library and the test files. */ 27 /* */ 28 /* Author: Sudhir Kumar skumar@linux.vnet.ibm.com */ 29 /* */ 30 /* History: */ 31 /* Created- 15/02/2008 -Sudhir Kumar <skumar@linux.vnet.ibm.com> */ 32 /* */ 33 /******************************************************************************/ 34 35 /* Standard Include Files */ 36 #include <dirent.h> 37 #include <limits.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <sys/stat.h> 42 #include <sys/types.h> 43 #include <unistd.h> 44 45 extern char fullpath[PATH_MAX]; 46 extern int FLAG; 47 extern volatile int timer_expired; 48 extern int retval; 49 extern unsigned int num_line; 50 extern unsigned int current_shares; 51 extern unsigned int total_shares; 52 extern unsigned int *shares_pointer; 53 extern char target[LINE_MAX]; 54 extern struct dirent *dir_pointer; 55 56 enum{ 57 GET_SHARES =1, 58 GET_TASKS 59 }; 60 61 static inline void error_function(char *msg1, char *msg2); 62 63 int read_shares_file(char *filepath); 64 65 int read_file(char *filepath, int action, unsigned int *value); 66 67 int scan_shares_files(unsigned int *shares_pointer); 68 69 int write_to_file (char * file, const char* mode, unsigned int value); 70 71 void signal_handler_alarm (int signal ); 72 73 void signal_handler_sigusr2 (int signal); 74