建立工程，成功创建两个虚拟串口

2023-06-21 18:00:56 +08:00
commit 3604192d8f
872 changed files with 428764 additions and 0 deletions
--- a/source/OpenAMP/libmetal/test/system/linux/condition.c
+++ b/source/OpenAMP/libmetal/test/system/linux/condition.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pthread.h>
+
+#include "metal-test.h"
+#include <metal/log.h>
+#include <metal/sys.h>
+#include <metal/mutex.h>
+#include <metal/condition.h>
+
+#define COUNTER_MAX 10
+
+#define THREADS 10
+
+METAL_MUTEX_DEFINE(lock);
+static struct metal_condition nempty_condv = METAL_CONDITION_INIT;
+static struct metal_condition nfull_condv = METAL_CONDITION_INIT;
+static unsigned int counter;
+
+static void *consumer_thread(void *arg)
+{
+	(void)arg;
+	metal_mutex_acquire(&lock);
+	while (!counter)
+		metal_condition_wait(&nempty_condv, &lock);
+	counter--;
+	metal_condition_signal(&nfull_condv);
+	metal_mutex_release(&lock);
+
+	return NULL;
+}
+
+static void *producer_thread(void *arg)
+{
+	(void)arg;
+	metal_mutex_acquire(&lock);
+	while (counter == COUNTER_MAX)
+		metal_condition_wait(&nfull_condv, &lock);
+	counter++;
+	metal_condition_signal(&nempty_condv);
+	metal_mutex_release(&lock);
+
+	return NULL;
+}
+static int condition(void)
+{
+	int ret;
+	int ts_created;
+	pthread_t tids[THREADS];
+
+	/** TC1 consumer threads go first */
+	/** create 10 consumer threads first */
+	ret = metal_run_noblock(THREADS, consumer_thread, NULL, tids,
+				&ts_created);
+	if (ret < 0) {
+		metal_log(METAL_LOG_ERROR, "Failed to create consumer thread: %d.\n",
+			  ret);
+		goto out;
+	}
+
+	/** create 10 producer threads next */
+	ret = metal_run(THREADS, producer_thread, NULL);
+	if (ret < 0) {
+		metal_log(METAL_LOG_ERROR, "Failed to create producer thread: %d.\n",
+			  ret);
+		goto out;
+	}
+
+	/** wait for consumer threads to finish */
+	metal_finish_threads(THREADS, (void *)tids);
+
+	/** TC2 producer threads go first */
+	/** create 10 producer threads first */
+	ret = metal_run_noblock(THREADS, producer_thread, NULL, tids,
+				&ts_created);
+	if (ret < 0) {
+		metal_log(METAL_LOG_ERROR, "Failed to create consumer thread: %d.\n",
+			  ret);
+		goto out;
+	}
+
+	/** create 10 consumer threads next */
+	ret = metal_run(THREADS, consumer_thread, NULL);
+	if (ret < 0) {
+		metal_log(METAL_LOG_ERROR, "Failed to create producer thread: %d.\n",
+			  ret);
+		goto out;
+	}
+
+out:
+	/** wait for producer threads to finish */
+	metal_finish_threads(THREADS, (void *)tids);
+	return ret;
+}
+METAL_ADD_TEST(condition);