Merge pull request #18 from RT-Thread/master

pr

2 files changed, 53 insertions, 4 deletions

diff --git a/components/libc/compilers/common/SConscript b/components/libc/compilers/common/SConscript
index 8877f07f24..ecdee2637e 100644
--- a/components/libc/compilers/common/SConscript
+++ b/components/libc/compilers/common/SConscript
@@ -8,13 +8,13 @@ group = []
 CPPPATH = [cwd]
 
 if GetDepend('RT_USING_LIBC'):
-        src += Glob('*.c')      
+    src += Glob('*.c')
 else:
-        if GetDepend('RT_LIBC_USING_TIME') and not GetDepend('RT_USING_MINILIBC'):
-                src += ['time.c']
+    if GetDepend('RT_LIBC_USING_TIME') and not GetDepend('RT_USING_MINILIBC'):
+        src += ['time.c']
 
 if GetDepend('RT_USING_POSIX') == False:
-        SrcRemove(src, ['unistd.c'])
+    SrcRemove(src, ['unistd.c'])
 
 if rtconfig.CROSS_TOOL == 'keil':
     CPPDEFINES = ['__CLK_TCK=RT_TICK_PER_SECOND']
diff --git a/components/libc/compilers/common/stdlib.c b/components/libc/compilers/common/stdlib.c
new file mode 100644
index 0000000000..b485bbd836
--- /dev/null
+++ b/components/libc/compilers/common/stdlib.c
@@ -0,0 +1,49 @@
+/*
+ * 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>
+#include <stdlib.h>
+
+void __rt_libc_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 == EXIT_FAILURE) /* abort() */
+        {
+            rt_kprintf("thread:%s abort!\n", self->name);
+        }
+        else /* exit() */
+        {
+            rt_kprintf("thread:%s exit:%d!\n", self->name, status);
+        }
+        rt_thread_suspend(self);
+        rt_schedule();
+    }
+}
+
+void __rt_libc_abort(void)
+{
+    __rt_libc_exit(EXIT_FAILURE);
+}
+
+int __rt_libc_system(const char *string)
+{
+    /* TODO */
+    return 0;
+}