1 /* timeq.c - NeonServ v5.5
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/>.
19 #include "IOHandler.h"
21 static struct timeq_entry *timeq_events;
23 static int pthread_mutex_initialized = 0;
24 static pthread_mutex_t synchronized;
27 static IOHANDLER_CALLBACK(timeq_callback) {
28 struct timeq_entry *entry = event->iofd->data;
31 entry->callback(entry->data);
40 struct timeq_entry* timeq_add(int seconds, int module_id, timeq_callback_t *callback, void *data) {
41 return timeq_uadd(seconds * 1000, module_id, callback, data);
44 struct timeq_entry* timeq_uadd(int useconds, int module_id, timeq_callback_t *callback, void *data) {
45 struct timeval timeout;
46 struct timeq_entry *entry = malloc(sizeof(*entry));
49 perror("malloc() failed");
52 if(!pthread_mutex_initialized) {
53 THREAD_MUTEX_INIT(synchronized);
54 pthread_mutex_initialized = 1;
56 gettimeofday(&timeout, NULL);
57 SYNCHRONIZE(synchronized);
58 timeout.tv_usec += (useconds % 1000);
59 timeout.tv_sec += (useconds / 1000);
60 entry->iofd = iohandler_timer(timeout, timeq_callback);
61 entry->iofd->data = entry;
62 entry->module_id = module_id;
63 entry->callback = callback;
66 entry->next = timeq_events;
69 timeq_events->prev = entry;
71 DESYNCHRONIZE(synchronized);
75 struct timeq_entry* timeq_add_name(char *name, int seconds, int module_id, timeq_callback_t *callback, void *data) {
76 return timeq_uadd_name(name, seconds * 1000, module_id, callback, data);
79 struct timeq_entry* timeq_uadd_name(char *name, int useconds, int module_id, timeq_callback_t *callback, void *data) {
80 struct timeq_entry *entry = timeq_uadd(useconds, module_id, callback, data);
81 entry->name = strdup(name);
85 int timeq_del(struct timeq_entry* entry) {
86 if(!pthread_mutex_initialized) return 0;
87 SYNCHRONIZE(synchronized);
89 entry->next->prev = entry->prev;
91 entry->prev->next = entry->next;
93 timeq_events = entry->next;
97 iohandler_close(entry->iofd);
99 DESYNCHRONIZE(synchronized);
103 int timeq_del_name(char *name) {
104 SYNCHRONIZE(synchronized);
105 struct timeq_entry *entry;
107 for(entry = timeq_events; entry; entry = entry->next) {
108 if(entry->name && !stricmp(entry->name, name)) {
109 removed = timeq_del(entry);
113 DESYNCHRONIZE(synchronized);
117 int timeq_name_exists(char *name) {
118 SYNCHRONIZE(synchronized);
119 struct timeq_entry *centry;
120 for(centry = timeq_events; centry; centry = centry->next) {
121 if(centry->name && !stricmp(centry->name, name)) {
122 DESYNCHRONIZE(synchronized);
126 DESYNCHRONIZE(synchronized);
130 void unregister_module_timers(int module_id) {
131 SYNCHRONIZE(synchronized);
132 struct timeq_entry *entry, *next_entry;
133 for(entry = timeq_events; entry; entry = next_entry) {
134 next_entry = entry->next;
135 if(entry->module_id == module_id)
138 DESYNCHRONIZE(synchronized);