1 files changed, 107 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/include/h2o/multithread.h b/web/server/h2o/libh2o/include/h2o/multithread.h
new file mode 100644
index 00000000..d089379e
--- /dev/null
+++ b/web/server/h2o/libh2o/include/h2o/multithread.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2015 DeNA Co., Ltd., Kazuho Oku, Tatsuhiko Kubo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#ifndef h2o__multithread_h
+#define h2o__multithread_h
+
+#include <pthread.h>
+#include "h2o/linklist.h"
+#include "h2o/socket.h"
+
+typedef struct st_h2o_multithread_receiver_t h2o_multithread_receiver_t;
+typedef struct st_h2o_multithread_queue_t h2o_multithread_queue_t;
+typedef struct st_h2o_multithread_request_t h2o_multithread_request_t;
+
+typedef void (*h2o_multithread_receiver_cb)(h2o_multithread_receiver_t *receiver, h2o_linklist_t *messages);
+typedef void (*h2o_multithread_response_cb)(h2o_multithread_request_t *req);
+
+struct st_h2o_multithread_receiver_t {
+    h2o_multithread_queue_t *queue;
+    h2o_linklist_t _link;
+    h2o_linklist_t _messages;
+    h2o_multithread_receiver_cb cb;
+};
+
+typedef struct st_h2o_multithread_message_t {
+    h2o_linklist_t link;
+} h2o_multithread_message_t;
+
+struct st_h2o_multithread_request_t {
+    h2o_multithread_message_t super;
+    h2o_multithread_receiver_t *source;
+    h2o_multithread_response_cb cb;
+};
+
+typedef struct st_h2o_sem_t {
+    pthread_mutex_t _mutex;
+    pthread_cond_t _cond;
+    ssize_t _cur;
+    ssize_t _capacity;
+} h2o_sem_t;
+
+typedef struct st_h2o_barrier_t {
+    pthread_mutex_t _mutex;
+    pthread_cond_t _cond;
+    size_t _count;
+} h2o_barrier_t;
+
+/**
+ * creates a queue that is used for inter-thread communication
+ */
+h2o_multithread_queue_t *h2o_multithread_create_queue(h2o_loop_t *loop);
+/**
+ * destroys the queue
+ */
+void h2o_multithread_destroy_queue(h2o_multithread_queue_t *queue);
+/**
+ * registers a receiver for specific type of message
+ */
+void h2o_multithread_register_receiver(h2o_multithread_queue_t *queue, h2o_multithread_receiver_t *receiver,
+                                       h2o_multithread_receiver_cb cb);
+/**
+ * unregisters a receiver
+ */
+void h2o_multithread_unregister_receiver(h2o_multithread_queue_t *queue, h2o_multithread_receiver_t *receiver);
+/**
+ * sends a message (or set message to NULL to just wake up the receiving thread)
+ */
+void h2o_multithread_send_message(h2o_multithread_receiver_t *receiver, h2o_multithread_message_t *message);
+/**
+ * sends a request
+ */
+void h2o_multithread_send_request(h2o_multithread_receiver_t *receiver, h2o_multithread_request_t *req);
+/**
+ * create a thread
+ */
+void h2o_multithread_create_thread(pthread_t *tid, const pthread_attr_t *attr, void *(*func)(void *), void *arg);
+
+void h2o_sem_init(h2o_sem_t *sem, ssize_t capacity);
+void h2o_sem_destroy(h2o_sem_t *sem);
+void h2o_sem_wait(h2o_sem_t *sem);
+void h2o_sem_post(h2o_sem_t *sem);
+void h2o_sem_set_capacity(h2o_sem_t *sem, ssize_t new_capacity);
+
+#define H2O_BARRIER_INITIALIZER(count_) {PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, count_}
+void h2o_barrier_init(h2o_barrier_t *barrier, size_t count);
+int h2o_barrier_wait(h2o_barrier_t *barrier);
+int h2o_barrier_done(h2o_barrier_t *barrier);
+
+#endif