2 * FCRON - periodic command scheduler
4 * Copyright 2000-2004 Thibault Godouet <fcron@free.fr>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * The GNU General Public License can also be found in the file
21 * `LICENSE' that comes with the fcron source distribution.
24 /* $Id: global.h,v 1.43 2004-11-13 19:42:57 thib Exp $ */
28 WARNING : this file should not be modified.
29 Compilation's options are in config.h
35 /* config.h must be included before every other includes
36 * (contains the compilation options) */
48 #include <get_context_list.h>
49 #include <selinux/flask.h>
50 #include <selinux/av_permissions.h>
80 #ifdef HAVE_SYS_FILE_H
85 #include <sys/types.h>
87 #ifdef HAVE_SYS_WAIT_H
95 #ifdef TIME_WITH_SYS_TIME
101 #ifdef HAVE_SYS_TERMIOS_H
102 #include <sys/termios.h>
111 #elif HAVE_SYS_FCNTL_H
112 #include <sys/fcntl.h>
119 #include "bitstring.h" /* bit arrays */
120 #include "option.h" /* manage fcrontab's options */
122 /* you should not change this (nor need to do it) */
126 /* options for local functions */
130 #define Alloc(PTR, TYPE) \
131 if( (PTR = calloc(1, sizeof(TYPE))) == NULL ) \
132 die_e("Could not calloc.");
134 #define Set(VAR, VALUE) \
137 VAR = strdup2(VALUE); \
146 #define Skip_blanks(PTR) \
147 while((*(PTR) == ' ') || (*(PTR) == '\t')) \
150 #define Overwrite(x) \
152 register char *__xx__; \
159 #define debug if(debug_opt) Debug
161 typedef struct env_t {
162 char *e_val; /* env value */
163 struct env_t *e_next;
166 typedef struct cf_t {
167 struct cf_t *cf_next;
168 struct cl_t *cf_line_base;
169 char *cf_user; /* user-name */
170 struct env_t *cf_env_base; /* list of all env variables to set */
171 int cf_running; /* number of jobs running */
172 signed char cf_tzdiff; /* time diff between system and local hour */
174 security_context_t cf_user_context;
175 security_context_t cf_file_context;
180 #define OPTION_SIZE 4
182 /* warning : do not change the order of the members of this structure
183 * because some tests made are dependent to that order */
184 /* warning : if you change a field type, you may have to also make some changes
185 * in the save/load binary fcrontab functions */
186 typedef struct cl_t {
187 struct cl_t *cl_next;
188 struct cf_t *cl_file; /* the file in which the line is */
189 char *cl_shell; /* shell command */
190 char *cl_runas; /* determine permissions of the job */
191 char *cl_mailto; /* mail output to cl_mailto */
192 long int cl_id; /* line's unique id number */
193 time_t cl_until; /* timeout of the wait for a lavg value */
194 time_t cl_first; /* initial delay preserved for volatile entries */
195 time_t cl_nextexe; /* time and date of the next execution */
196 long int cl_timefreq; /* Run every n seconds */
197 unsigned short cl_remain; /* remaining until next execution */
198 unsigned short cl_runfreq; /* Run once every n matches */
199 unsigned char cl_option[OPTION_SIZE]; /* line's option (see option.h) */
200 unsigned char cl_lavg[LAVG_SIZE];/*load averages needed (1,5,15 mins) */
201 unsigned char cl_numexe; /* entries in queues & running processes */
202 char cl_nice; /* nice value to control priority */
203 /* see bitstring(3) man page for more details */
204 bitstr_t bit_decl(cl_mins, 60); /* 0-59 */
205 bitstr_t bit_decl(cl_hrs, 24); /* 0-23 */
206 bitstr_t bit_decl(cl_days, 32); /* 1-31 */
207 bitstr_t bit_decl(cl_mons, 12); /* 0-11 */
208 bitstr_t bit_decl(cl_dow, 8); /* 0-7, 0 and 7 are both Sunday */
211 typedef struct job_t {
213 struct job_t *j_next;
216 typedef struct lavg_t {
218 time_t l_until; /* the timeout of the wait for load averages */
221 typedef struct exe_t {
223 pid_t e_ctrl_pid; /* pid of the fcron process controling the job */
224 pid_t e_job_pid; /* pid of the job itself */
228 /* local header files : we include here the headers which may use some types defined
231 /* constants for fcrontabs needed to load and save the fcrontabs to disk */
235 /* functions used by fcrontab, fcrondyn, and fcron */
239 #endif /* __GLOBAL_H__ */