--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/common/threadpool.h Sun Apr 07 21:56:56 2024 +0200
@@ -0,0 +1,85 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2024 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef UIC_THREADPOOL_H
+#define UIC_THREADPOOL_H
+
+#include "../ui/toolkit.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct UiJob {
+ UiObject *obj;
+ ui_threadfunc job_func;
+ void *job_data;
+ ui_callback finish_callback;
+ void *finish_data;
+} UiJob;
+
+
+typedef struct _threadpool_job threadpool_job;
+typedef void*(*job_callback_f)(void *data);
+
+typedef struct _pool_queue pool_queue_t;
+struct UiThreadpool {
+ pthread_mutex_t queue_lock;
+ pthread_mutex_t avlbl_lock;
+ pthread_cond_t available;
+ pool_queue_t *queue;
+ uint32_t queue_len;
+ uint32_t num_idle;
+ int min_threads;
+ int max_threads;
+};
+
+struct _threadpool_job {
+ job_callback_f callback;
+ void *data;
+};
+
+struct _pool_queue {
+ threadpool_job *job;
+ pool_queue_t *next;
+};
+
+UiThreadpool* threadpool_new(int min, int max);
+int threadpool_start(UiThreadpool *pool);
+void* threadpool_func(void *data);
+threadpool_job* threadpool_get_job(UiThreadpool *pool);
+void threadpool_run(UiThreadpool *pool, job_callback_f func, void *data);
+void threadpool_enqueue_job(UiThreadpool *pool, threadpool_job *job);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* UIC_THREADPOOL_H */
+