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);
46 DESYNCHRONIZE(synchronized);
49 struct timeq_entry* timeq_add(int seconds, int module_id, timeq_callback_t *callback, void *data) {
50 return timeq_uadd(seconds * 1000, module_id, callback, data);
53 struct timeq_entry* timeq_uadd(int useconds, int module_id, timeq_callback_t *callback, void *data) {
55 gettimeofday(&now, NULL);
56 struct timeq_entry *entry = malloc(sizeof(*entry));
59 perror("malloc() failed");
62 SYNCHRONIZE(synchronized);
63 now.tv_usec += (useconds % 1000);
64 now.tv_sec += (useconds / 1000);
66 entry->module_id = module_id;
67 entry->callback = callback;
70 struct timeq_entry *next, *prev = NULL;
71 for(next = timeq_events; next; next = next->next) {
72 if(timeval_is_bigger(next->execute, now))
78 entry->next = timeq_events;
84 DESYNCHRONIZE(synchronized);
88 struct timeq_entry* timeq_add_name(char *name, int seconds, int module_id, timeq_callback_t *callback, void *data) {
89 return timeq_uadd_name(name, seconds * 1000, module_id, callback, data);
92 struct timeq_entry* timeq_uadd_name(char *name, int useconds, int module_id, timeq_callback_t *callback, void *data) {
93 SYNCHRONIZE(synchronized);
94 struct timeq_entry *entry = timeq_uadd(useconds, module_id, callback, data);
95 entry->name = strdup(name);
96 DESYNCHRONIZE(synchronized);
100 int timeq_del(struct timeq_entry* entry) {
101 SYNCHRONIZE(synchronized);
102 struct timeq_entry *centry, *last = NULL;
103 for(centry = timeq_events; centry; centry = centry->next) {
104 if(centry == entry) {
106 last->next = centry->next;
108 timeq_events = centry->next;
112 DESYNCHRONIZE(synchronized);
118 DESYNCHRONIZE(synchronized);
122 int timeq_del_name(char *name) {
123 SYNCHRONIZE(synchronized);
124 struct timeq_entry *centry, *last = NULL;
125 for(centry = timeq_events; centry; centry = centry->next) {
126 if(centry->name && !stricmp(centry->name, name)) {
128 last->next = centry->next;
130 timeq_events = centry->next;
133 DESYNCHRONIZE(synchronized);
139 DESYNCHRONIZE(synchronized);
143 int timeq_name_exists(char *name) {
144 SYNCHRONIZE(synchronized);
145 struct timeq_entry *centry;
146 for(centry = timeq_events; centry; centry = centry->next) {
147 if(centry->name && !stricmp(centry->name, name)) {
148 DESYNCHRONIZE(synchronized);
152 DESYNCHRONIZE(synchronized);
156 void unregister_module_timers(int module_id) {
157 SYNCHRONIZE(synchronized);
158 struct timeq_entry *centry, *next, *last = NULL;
159 for(centry = timeq_events; centry; centry = next) {
161 if(centry->module_id == module_id) {
163 last->next = centry->next;
165 timeq_events = centry->next;
171 DESYNCHRONIZE(synchronized);