1 /* timeq.c - NeonServ v5.4
2 * Copyright (C) 2011-2012 Philipp Kreil (pk910)
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 static struct timeq_entry *timeq_events;
22 static pthread_mutex_t synchronized;
26 THREAD_MUTEX_INIT(synchronized);
30 SYNCHRONIZE(synchronized);
31 struct timeq_entry *entry, *next;
33 gettimeofday(&now, NULL);
34 for(entry = timeq_events; entry; entry = next) {
35 if(!timeval_is_bigger(entry->execute, now)) {
37 if(timeq_events == entry)
39 entry->callback(entry->data);
44 DESYNCHRONIZE(synchronized);
47 struct timeq_entry* timeq_add(int seconds, int module_id, timeq_callback_t *callback, void *data) {
48 return timeq_uadd(seconds * 1000, module_id, callback, data);
51 struct timeq_entry* timeq_uadd(int useconds, int module_id, timeq_callback_t *callback, void *data) {
53 gettimeofday(&now, NULL);
54 struct timeq_entry *entry = malloc(sizeof(*entry));
57 perror("malloc() failed");
60 SYNCHRONIZE(synchronized);
61 now.tv_usec += (useconds % 1000);
62 now.tv_sec += (useconds / 1000);
64 entry->module_id = module_id;
65 entry->callback = callback;
68 struct timeq_entry *next, *prev = NULL;
69 for(next = timeq_events; next; next = next->next) {
70 if(timeval_is_bigger(next->execute, now))
76 entry->next = timeq_events;
82 DESYNCHRONIZE(synchronized);
86 struct timeq_entry* timeq_add_name(char *name, int seconds, int module_id, timeq_callback_t *callback, void *data) {
87 return timeq_uadd_name(name, seconds * 1000, module_id, callback, data);
90 struct timeq_entry* timeq_uadd_name(char *name, int useconds, int module_id, timeq_callback_t *callback, void *data) {
91 SYNCHRONIZE(synchronized);
92 struct timeq_entry *entry = timeq_uadd(useconds, module_id, callback, data);
93 entry->name = strdup(name);
94 DESYNCHRONIZE(synchronized);
98 int timeq_del(struct timeq_entry* entry) {
99 SYNCHRONIZE(synchronized);
100 struct timeq_entry *centry, *last = NULL;
101 for(centry = timeq_events; centry; centry = centry->next) {
102 if(centry == entry) {
104 last->next = centry->next;
106 timeq_events = centry->next;
110 DESYNCHRONIZE(synchronized);
116 DESYNCHRONIZE(synchronized);
120 int timeq_del_name(char *name) {
121 SYNCHRONIZE(synchronized);
122 struct timeq_entry *centry, *last = NULL;
123 for(centry = timeq_events; centry; centry = centry->next) {
124 if(centry->name && !stricmp(centry->name, name)) {
126 last->next = centry->next;
128 timeq_events = centry->next;
131 DESYNCHRONIZE(synchronized);
137 DESYNCHRONIZE(synchronized);
141 int timeq_name_exists(char *name) {
142 SYNCHRONIZE(synchronized);
143 struct timeq_entry *centry;
144 for(centry = timeq_events; centry; centry = centry->next) {
145 if(centry->name && !stricmp(centry->name, name)) {
146 DESYNCHRONIZE(synchronized);
150 DESYNCHRONIZE(synchronized);
154 void unregister_module_timers(int module_id) {
155 SYNCHRONIZE(synchronized);
156 struct timeq_entry *centry, *next, *last = NULL;
157 for(centry = timeq_events; centry; centry = next) {
159 if(centry->module_id == module_id) {
161 last->next = centry->next;
163 timeq_events = centry->next;
169 DESYNCHRONIZE(synchronized);