1 /* timeq.c - NeonServ v5.3
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, timeq_callback_t *callback, void *data) {
48 return timeq_uadd(seconds * 1000, callback, data);
51 struct timeq_entry* timeq_uadd(int useconds, 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->callback = callback;
67 struct timeq_entry *next, *prev = NULL;
68 for(next = timeq_events; next; next = next->next) {
69 if(timeval_is_bigger(next->execute, now))
75 entry->next = timeq_events;
81 DESYNCHRONIZE(synchronized);
85 struct timeq_entry* timeq_add_name(char *name, int seconds, timeq_callback_t *callback, void *data) {
86 return timeq_uadd_name(name, seconds * 1000, callback, data);
89 struct timeq_entry* timeq_uadd_name(char *name, int useconds, timeq_callback_t *callback, void *data) {
90 SYNCHRONIZE(synchronized);
91 struct timeq_entry *entry = timeq_uadd(useconds, callback, data);
92 entry->name = strdup(name);
93 DESYNCHRONIZE(synchronized);
97 int timeq_del(struct timeq_entry* entry) {
98 SYNCHRONIZE(synchronized);
99 struct timeq_entry *centry, *last = NULL;
100 for(centry = timeq_events; centry; centry = centry->next) {
101 if(centry == entry) {
103 last->next = centry->next;
105 timeq_events = centry->next;
109 DESYNCHRONIZE(synchronized);
115 DESYNCHRONIZE(synchronized);
119 int timeq_del_name(char *name) {
120 SYNCHRONIZE(synchronized);
121 struct timeq_entry *centry, *last = NULL;
122 for(centry = timeq_events; centry; centry = centry->next) {
123 if(centry->name && !stricmp(centry->name, name)) {
125 last->next = centry->next;
127 timeq_events = centry->next;
130 DESYNCHRONIZE(synchronized);
136 DESYNCHRONIZE(synchronized);
140 int timeq_name_exists(char *name) {
141 SYNCHRONIZE(synchronized);
142 struct timeq_entry *centry;
143 for(centry = timeq_events; centry; centry = centry->next) {
144 if(centry->name && !stricmp(centry->name, name)) {
145 DESYNCHRONIZE(synchronized);
149 DESYNCHRONIZE(synchronized);