add file src/fc_atomic.h

src/Makefile.in

@@ -43,7 +43,7 @@ HEADER_FILES = common_define.h hash.h chain.h logger.h base64.h \
 			   char_convert_loader.h common_blocked_queue.h  \
                multi_socket_client.h skiplist_set.h uniq_skiplist.h \
                fc_list.h json_parser.h buffered_file_writer.h server_id_func.h \
-               fc_queue.h fc_memory.h shared_buffer.h thread_pool.h
+               fc_queue.h fc_memory.h shared_buffer.h thread_pool.h fc_atomic.h
 
 ALL_OBJS = $(FAST_STATIC_OBJS) $(FAST_SHARED_OBJS)
 

src/common_blocked_queue.c

@@ -14,23 +14,11 @@ int common_blocked_queue_init_ex(struct common_blocked_queue *queue,
     const int64_t alloc_elements_limit = 0;
 	int result;
 
-	if ((result=init_pthread_lock(&queue->lock)) != 0)
+	if ((result=init_pthread_lock_cond_pair(&queue->lc_pair)) != 0)
 	{
-		logError("file: "__FILE__", line: %d, "
-			"init_pthread_lock fail, errno: %d, error info: %s",
-			__LINE__, result, STRERROR(result));
 		return result;
 	}
 
-    if ((result=pthread_cond_init(&queue->cond, NULL)) != 0)
-    {
-        logError("file: "__FILE__", line: %d, "
-                "pthread_cond_init fail, "
-                "errno: %d, error info: %s",
-                __LINE__, result, STRERROR(result));
-        return result;
-    }
-
     if ((result=fast_mblock_init_ex1(&queue->mblock, "queue_node",
                     sizeof(struct common_blocked_node),
                     alloc_elements_once, alloc_elements_limit,
@@ -47,8 +35,7 @@ int common_blocked_queue_init_ex(struct common_blocked_queue *queue,
 
 void common_blocked_queue_destroy(struct common_blocked_queue *queue)
 {
-    pthread_cond_destroy(&queue->cond);
-    pthread_mutex_destroy(&queue->lock);
+    destroy_pthread_lock_cond_pair(&queue->lc_pair);
     fast_mblock_destroy(&queue->mblock);
 }
 
@@ -58,7 +45,7 @@ int common_blocked_queue_push_ex(struct common_blocked_queue *queue,
 	int result;
     struct common_blocked_node *node;
 
-	if ((result=pthread_mutex_lock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_lock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, " \
 			"call pthread_mutex_lock fail, " \
@@ -71,7 +58,7 @@ int common_blocked_queue_push_ex(struct common_blocked_queue *queue,
             &queue->mblock);
     if (node == NULL)
     {
-        pthread_mutex_unlock(&(queue->lock));
+        pthread_mutex_unlock(&(queue->lc_pair.lock));
 		return ENOMEM;
     }
 
@@ -89,7 +76,7 @@ int common_blocked_queue_push_ex(struct common_blocked_queue *queue,
 	}
 	queue->tail = node;
 
-	if ((result=pthread_mutex_unlock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_unlock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, " \
 			"call pthread_mutex_unlock fail, " \
@@ -115,14 +102,14 @@ void common_blocked_queue_return_nodes(struct common_blocked_queue *queue,
         last = last->next;
     }
 
-    pthread_mutex_lock(&(queue->lock));
+    pthread_mutex_lock(&(queue->lc_pair.lock));
     last->next = queue->head;
     queue->head = node;
     if (queue->tail == NULL)
     {
         queue->tail = last;
     }
-    pthread_mutex_unlock(&(queue->lock));
+    pthread_mutex_unlock(&(queue->lc_pair.lock));
 }
 
 void *common_blocked_queue_pop_ex(struct common_blocked_queue *queue,
@@ -132,7 +119,7 @@ void *common_blocked_queue_pop_ex(struct common_blocked_queue *queue,
 	void *data;
 	int result;
 
-	if ((result=pthread_mutex_lock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_lock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, " \
 			"call pthread_mutex_lock fail, " \
@@ -151,7 +138,7 @@ void *common_blocked_queue_pop_ex(struct common_blocked_queue *queue,
                 break;
             }
 
-            pthread_cond_wait(&(queue->cond), &(queue->lock));
+            pthread_cond_wait(&(queue->lc_pair.cond), &(queue->lc_pair.lock));
             node = queue->head;
         }
 
@@ -172,7 +159,7 @@ void *common_blocked_queue_pop_ex(struct common_blocked_queue *queue,
         }
     } while (0);
 
-	if ((result=pthread_mutex_unlock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_unlock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, " \
 			"call pthread_mutex_unlock fail, " \
@@ -189,7 +176,7 @@ struct common_blocked_node *common_blocked_queue_pop_all_nodes_ex(
     struct common_blocked_node *node;
 	int result;
 
-	if ((result=pthread_mutex_lock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_lock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, "
 			"call pthread_mutex_lock fail, "
@@ -202,13 +189,13 @@ struct common_blocked_node *common_blocked_queue_pop_all_nodes_ex(
     {
         if (blocked)
         {
-            pthread_cond_wait(&(queue->cond), &(queue->lock));
+            pthread_cond_wait(&(queue->lc_pair.cond), &(queue->lc_pair.lock));
         }
     }
 
     node = queue->head;
     queue->head = queue->tail = NULL;
-	if ((result=pthread_mutex_unlock(&(queue->lock))) != 0)
+	if ((result=pthread_mutex_unlock(&(queue->lc_pair.lock))) != 0)
 	{
 		logError("file: "__FILE__", line: %d, "
 			"call pthread_mutex_unlock fail, "
@@ -224,11 +211,11 @@ void common_blocked_queue_free_all_nodes(struct common_blocked_queue *queue,
 {
     struct common_blocked_node *deleted;
 
-    pthread_mutex_lock(&(queue->lock));
+    pthread_mutex_lock(&(queue->lc_pair.lock));
     while (node != NULL) {
         deleted = node;
         node = node->next;
         fast_mblock_free_object(&queue->mblock, deleted);
     }
-    pthread_mutex_unlock(&(queue->lock));
+    pthread_mutex_unlock(&(queue->lc_pair.lock));
 }

src/common_blocked_queue.h

@@ -29,8 +29,7 @@ struct common_blocked_queue
 	struct common_blocked_node *head;
 	struct common_blocked_node *tail;
     struct fast_mblock_man mblock;
-	pthread_mutex_t lock;
-	pthread_cond_t cond;
+    pthread_lock_cond_pair_t lc_pair;
 };
 
 #ifdef __cplusplus
@@ -48,7 +47,7 @@ void common_blocked_queue_destroy(struct common_blocked_queue *queue);
 static inline void common_blocked_queue_terminate(
         struct common_blocked_queue *queue)
 {
-    pthread_cond_signal(&(queue->cond));
+    pthread_cond_signal(&(queue->lc_pair.cond));
 }
 
 static inline void common_blocked_queue_terminate_all(
@@ -57,7 +56,7 @@ static inline void common_blocked_queue_terminate_all(
     int i;
     for (i=0; i<count; i++)
     {
-        pthread_cond_signal(&(queue->cond));
+        pthread_cond_signal(&(queue->lc_pair.cond));
     }
 }
 
@@ -75,7 +74,7 @@ static inline int common_blocked_queue_push(struct common_blocked_queue
     {
         if (notify)
         {
-            pthread_cond_signal(&(queue->cond));
+            pthread_cond_signal(&(queue->lc_pair.cond));
         }
     }
 

src/common_define.h

@@ -204,6 +204,12 @@ typedef struct
     int count;
 } key_value_array_t;
 
+typedef struct
+{
+    pthread_mutex_t lock;
+    pthread_cond_t cond;
+} pthread_lock_cond_pair_t;
+
 typedef void (*FreeDataFunc)(void *ptr);
 typedef int (*CompareFunc)(void *p1, void *p2);
 typedef void* (*MallocFunc)(size_t size);

src/fc_atomic.h

+#ifndef _FC_ATOMIC_H
+#define _FC_ATOMIC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FC_ATOMIC_CAS(var, old_value, new_value) \
+    do {  \
+        if (__sync_bool_compare_and_swap(&var, old_value, new_value)) { \
+            break;  \
+        }   \
+        old_value = __sync_add_and_fetch(&var, 0); \
+    } while (new_value != old_value)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/fc_queue.c

@@ -15,21 +15,11 @@ int fc_queue_init(struct fc_queue *queue, const int next_ptr_offset)
 {
 	int result;
 
-	if ((result=init_pthread_lock(&queue->lock)) != 0) {
-		logError("file: "__FILE__", line: %d, "
-			"init_pthread_lock fail, errno: %d, error info: %s",
-			__LINE__, result, STRERROR(result));
+	if ((result=init_pthread_lock_cond_pair(&queue->lc_pair)) != 0)
+	{
 		return result;
 	}
 
-    if ((result=pthread_cond_init(&queue->cond, NULL)) != 0) {
-        logError("file: "__FILE__", line: %d, "
-                "pthread_cond_init fail, "
-                "errno: %d, error info: %s",
-                __LINE__, result, STRERROR(result));
-        return result;
-    }
-
 	queue->head = NULL;
 	queue->tail = NULL;
     queue->next_ptr_offset = next_ptr_offset;
@@ -38,13 +28,12 @@ int fc_queue_init(struct fc_queue *queue, const int next_ptr_offset)
 
 void fc_queue_destroy(struct fc_queue *queue)
 {
-    pthread_cond_destroy(&queue->cond);
-    pthread_mutex_destroy(&queue->lock);
+    destroy_pthread_lock_cond_pair(&queue->lc_pair);
 }
 
 void fc_queue_push_ex(struct fc_queue *queue, void *data, bool *notify)
 {
-    PTHREAD_MUTEX_LOCK(&queue->lock);
+    PTHREAD_MUTEX_LOCK(&queue->lc_pair.lock);
 	FC_QUEUE_NEXT_PTR(queue, data) = NULL;
 	if (queue->tail == NULL) {
 		queue->head = data;
@@ -55,14 +44,14 @@ void fc_queue_push_ex(struct fc_queue *queue, void *data, bool *notify)
 	}
 	queue->tail = data;
 
-    PTHREAD_MUTEX_UNLOCK(&queue->lock);
+    PTHREAD_MUTEX_UNLOCK(&queue->lc_pair.lock);
 }
 
 void *fc_queue_pop_ex(struct fc_queue *queue, const bool blocked)
 {
 	void *data;
 
-    PTHREAD_MUTEX_LOCK(&queue->lock);
+    PTHREAD_MUTEX_LOCK(&queue->lc_pair.lock);
     do {
         data = queue->head;
         if (data == NULL) {
@@ -70,7 +59,7 @@ void *fc_queue_pop_ex(struct fc_queue *queue, const bool blocked)
                 break;
             }
 
-            pthread_cond_wait(&queue->cond, &queue->lock);
+            pthread_cond_wait(&queue->lc_pair.cond, &queue->lc_pair.lock);
             data = queue->head;
         }
 
@@ -82,7 +71,7 @@ void *fc_queue_pop_ex(struct fc_queue *queue, const bool blocked)
         }
     } while (0);
 
-    PTHREAD_MUTEX_UNLOCK(&queue->lock);
+    PTHREAD_MUTEX_UNLOCK(&queue->lc_pair.lock);
 	return data;
 }
 
@@ -90,7 +79,7 @@ void *fc_queue_pop_all_ex(struct fc_queue *queue, const bool blocked)
 {
 	void *data;
 
-    PTHREAD_MUTEX_LOCK(&queue->lock);
+    PTHREAD_MUTEX_LOCK(&queue->lc_pair.lock);
     do {
         data = queue->head;
         if (data == NULL) {
@@ -98,7 +87,7 @@ void *fc_queue_pop_all_ex(struct fc_queue *queue, const bool blocked)
                 break;
             }
 
-            pthread_cond_wait(&queue->cond, &queue->lock);
+            pthread_cond_wait(&queue->lc_pair.cond, &queue->lc_pair.lock);
             data = queue->head;
         }
 
@@ -107,7 +96,7 @@ void *fc_queue_pop_all_ex(struct fc_queue *queue, const bool blocked)
         }
     } while (0);
 
-    PTHREAD_MUTEX_UNLOCK(&queue->lock);
+    PTHREAD_MUTEX_UNLOCK(&queue->lc_pair.lock);
 	return data;
 }
 
@@ -119,7 +108,7 @@ void fc_queue_push_queue_to_head_ex(struct fc_queue *queue,
         return;
     }
 
-    PTHREAD_MUTEX_LOCK(&queue->lock);
+    PTHREAD_MUTEX_LOCK(&queue->lc_pair.lock);
     FC_QUEUE_NEXT_PTR(queue, qinfo->tail) = queue->head;
     queue->head = qinfo->head;
     if (queue->tail == NULL) {
@@ -128,13 +117,13 @@ void fc_queue_push_queue_to_head_ex(struct fc_queue *queue,
     } else {
         *notify = false;
     }
-    PTHREAD_MUTEX_UNLOCK(&queue->lock);
+    PTHREAD_MUTEX_UNLOCK(&queue->lc_pair.lock);
 }
 
 void fc_queue_pop_to_queue(struct fc_queue *queue,
         struct fc_queue_info *qinfo)
 {
-    PTHREAD_MUTEX_LOCK(&queue->lock);
+    PTHREAD_MUTEX_LOCK(&queue->lc_pair.lock);
     if (queue->head != NULL) {
         qinfo->head = queue->head;
         qinfo->tail = queue->tail;
@@ -142,5 +131,5 @@ void fc_queue_pop_to_queue(struct fc_queue *queue,
     } else {
         qinfo->head = qinfo->tail = NULL;
     }
-    PTHREAD_MUTEX_UNLOCK(&queue->lock);
+    PTHREAD_MUTEX_UNLOCK(&queue->lc_pair.lock);
 }

src/fc_queue.h

@@ -20,8 +20,7 @@ struct fc_queue
 {
 	void *head;
 	void *tail;
-	pthread_mutex_t lock;
-	pthread_cond_t cond;
+    pthread_lock_cond_pair_t lc_pair;
     int next_ptr_offset;
 };
 
@@ -35,7 +34,7 @@ void fc_queue_destroy(struct fc_queue *queue);
 
 static inline void fc_queue_terminate(struct fc_queue *queue)
 {
-    pthread_cond_signal(&queue->cond);
+    pthread_cond_signal(&queue->lc_pair.cond);
 }
 
 static inline void fc_queue_terminate_all(
@@ -43,7 +42,7 @@ static inline void fc_queue_terminate_all(
 {
     int i;
     for (i=0; i<count; i++) {
-        pthread_cond_signal(&(queue->cond));
+        pthread_cond_signal(&(queue->lc_pair.cond));
     }
 }
 
@@ -56,7 +55,7 @@ static inline void fc_queue_push(struct fc_queue *queue, void *data)
 
     fc_queue_push_ex(queue, data, &notify);
     if (notify) {
-        pthread_cond_signal(&(queue->cond));
+        pthread_cond_signal(&(queue->lc_pair.cond));
     }
 }
 
@@ -70,7 +69,7 @@ static inline void fc_queue_push_queue_to_head(struct fc_queue *queue,
 
     fc_queue_push_queue_to_head_ex(queue, qinfo, &notify);
     if (notify) {
-        pthread_cond_signal(&(queue->cond));
+        pthread_cond_signal(&(queue->lc_pair.cond));
     }
 }
 

src/ini_file_reader.c

@@ -116,7 +116,7 @@ static SetDirectiveVars *iniGetVars(IniContext *pContext);
 
 
 #define RETRY_FETCH_GLOBAL(szSectionName, bRetryGlobal) \
-        ((szSectionName != NULL && szSectionName != '\0') && bRetryGlobal)
+        ((szSectionName != NULL && *szSectionName != '\0') && bRetryGlobal)
 
 static void iniDoSetAnnotations(AnnotationEntry *src, const int src_count,
         AnnotationEntry *dest, int *dest_count)

src/ioevent_loop.c

@@ -89,7 +89,7 @@ int ioevent_loop(struct nio_thread_data *pThreadData,
 	int count;
 
 	memset(&ev_notify, 0, sizeof(ev_notify));
-	ev_notify.fd = pThreadData->pipe_fds[0];
+	ev_notify.fd = FC_NOTIFY_READ_FD(pThreadData);
 	ev_notify.callback = recv_notify_callback;
 	ev_notify.timer.data = pThreadData;
 	if (ioevent_attach(&pThreadData->ev_puller,

src/pthread_func.c

@@ -257,3 +257,33 @@ int fc_create_thread(pthread_t *tid, void *(*start_func)(void *),
 	pthread_attr_destroy(&thread_attr);
 	return result;
 }
+
+int init_pthread_lock_cond_pair(pthread_lock_cond_pair_t *lcp)
+{
+    int result;
+
+	if ((result=init_pthread_lock(&lcp->lock)) != 0)
+	{
+		logError("file: "__FILE__", line: %d, "
+			"init_pthread_lock fail, errno: %d, error info: %s",
+			__LINE__, result, STRERROR(result));
+		return result;
+	}
+
+    if ((result=pthread_cond_init(&lcp->cond, NULL)) != 0)
+    {
+        logError("file: "__FILE__", line: %d, "
+                "pthread_cond_init fail, "
+                "errno: %d, error info: %s",
+                __LINE__, result, STRERROR(result));
+        return result;
+    }
+
+    return 0;
+}
+
+void destroy_pthread_lock_cond_pair(pthread_lock_cond_pair_t *lcp)
+{
+    pthread_cond_destroy(&lcp->cond);
+    pthread_mutex_destroy(&lcp->lock);
+}

src/pthread_func.h

@@ -24,6 +24,9 @@ extern "C" {
 int init_pthread_lock(pthread_mutex_t *pthread_lock);
 int init_pthread_attr(pthread_attr_t *pattr, const int stack_size);
 
+int init_pthread_lock_cond_pair(pthread_lock_cond_pair_t *lcp);
+void destroy_pthread_lock_cond_pair(pthread_lock_cond_pair_t *lcp);
+
 #define PTHREAD_MUTEX_LOCK(lock) \
     do {  \
         int lock_res;   \