精简exit abort system函数

components/libc/compilers/common/stdlib.c

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-02-15     Meco Man     first version
+ */
+
+#include <rtthread.h>
+
+#define  ABORT_STATUS   2
+
+rt_inline void __exit__(int status)
+{
+    rt_thread_t self = rt_thread_self();
+
+#ifdef RT_USING_MODULE
+    if (dlmodule_self())
+    {
+        dlmodule_exit(status);
+    }
+#endif
+
+    if (self != RT_NULL)
+    {
+        if(status == ABORT_STATUS) /* abort() */
+        {
+            rt_kprintf("thread:%s abort!\n", RT_NAME_MAX, self->name, status);
+        }
+        else /* exit() */
+        {
+            rt_kprintf("thread:%s exit:%d!\n", RT_NAME_MAX, self->name, status);
+        }
+        rt_thread_suspend(self);
+        rt_schedule();
+    }
+
+    while(1); /* noreturn */
+}
+
+rt_inline void __abort__(void)
+{
+    __exit__(ABORT_STATUS);
+}
+
+rt_inline int __system__(const char *string)
+{
+    /* TODO */
+    return 0;
+}