added experimental multi thread support

[NeonServV5.git] / src / timeq.c

diff --git a/src/timeq.c b/src/timeq.c
index fe919c8332691e92bf2dee4f5ff8181d8b767c33..17b190488381576cfa9837b7c24709061258dc0c 100644 (file)
--- a/src/timeq.c
+++ b/src/timeq.c
@@ -1,20 +1,46 @@
+/* timeq.c - NeonServ v5.3
+ * Copyright (C) 2011-2012  Philipp Kreil (pk910)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License 
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. 
+ */
 
 #include "timeq.h"
 
 static struct timeq_entry *timeq_events;
+#ifdef HAVE_THREADS
+static pthread_mutex_t synchronized;
+#endif
+
+void init_timeq() {
+    THREAD_MUTEX_INIT(synchronized);
+}
 
 void timeq_tick() {
+    SYNCHRONIZE(synchronized);
     struct timeq_entry *entry, *next;
     time_t now = time(0);
     for(entry = timeq_events; entry; entry = next) {
         if(entry->execute <= now) {
-            entry->callback(entry->data);
             next = entry->next;
+            if(timeq_events == entry)
+                timeq_events = next;
+            entry->callback(entry->data);
             free(entry);
         } else
             break;
     }
-    timeq_events = entry;
+    DESYNCHRONIZE(synchronized);
 }
 
 struct timeq_entry* timeq_add(int seconds, timeq_callback_t *callback, void *data) {
@@ -25,6 +51,7 @@ struct timeq_entry* timeq_add(int seconds, timeq_callback_t *callback, void *dat
         perror("malloc() failed");
         return NULL;
     }
+    SYNCHRONIZE(synchronized);
     entry->execute = now + seconds;
     entry->callback = callback;
     entry->data = data;
@@ -43,16 +70,20 @@ struct timeq_entry* timeq_add(int seconds, timeq_callback_t *callback, void *dat
         entry->next = next;
         prev->next = entry;
     }
+    DESYNCHRONIZE(synchronized);
     return entry;
 }
 
 struct timeq_entry* timeq_add_name(char *name, int seconds, timeq_callback_t *callback, void *data) {
+    SYNCHRONIZE(synchronized);
     struct timeq_entry *entry = timeq_add(seconds, callback, data);
     entry->name = strdup(name);
+    DESYNCHRONIZE(synchronized);
     return entry;
 }
 
 int timeq_del(struct timeq_entry* entry) {
+    SYNCHRONIZE(synchronized);
     struct timeq_entry *centry, *last = NULL;
     for(centry = timeq_events; centry; centry = centry->next) {
         if(centry == entry) {
@@ -63,15 +94,18 @@ int timeq_del(struct timeq_entry* entry) {
             if(centry->name)
                 free(centry->name);
             free(centry);
+            DESYNCHRONIZE(synchronized);
             return 1;
         } else {
             last = centry;
         }
     }
+    DESYNCHRONIZE(synchronized);
     return 0;
 }
 
 int timeq_del_name(char *name) {
+    SYNCHRONIZE(synchronized);
     struct timeq_entry *centry, *last = NULL;
     for(centry = timeq_events; centry; centry = centry->next) {
         if(centry->name && !stricmp(centry->name, name)) {
@@ -81,20 +115,25 @@ int timeq_del_name(char *name) {
                 timeq_events = centry->next;
             free(centry->name);
             free(centry);
+            DESYNCHRONIZE(synchronized);
             return 1;
         } else {
             last = centry;
         }
     }
+    DESYNCHRONIZE(synchronized);
     return 0;
 }
 
 int timeq_name_exists(char *name) {
+    SYNCHRONIZE(synchronized);
     struct timeq_entry *centry;
     for(centry = timeq_events; centry; centry = centry->next) {
         if(centry->name && !stricmp(centry->name, name)) {
+            DESYNCHRONIZE(synchronized);
             return 1;
         }
     }
+    DESYNCHRONIZE(synchronized);
     return 0;
 }