add BUILD.gn for all kernel modules
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I018446427bf64615f2596d47862b219659b58b34

LiteOS_a中有部分配置宏进行了重复冗余定义，导致当头文件未被包含时，极易引入错误，
故对menuconfig配置宏进行统一处理，均使用#ifdef/#ifndef作为预编译判断方式

Close #I3YEGS

Change-Id: Ife6db770cc66de1d6199a4f3ba3950e9bfd0e71a
Signed-off-by: Nboxi <lewis.liulei@huawei.com>

　kill进程时，会将因为liteipc阻塞的线程唤醒，使其调度并自动退出，由于liteipc阻塞机制为
循环阻塞方式，会导致将因liteipc阻塞的线程唤醒后又进入等待中。此处在唤醒因liteipc阻塞的
线程后检查是否已有kill标志，如果有使其按接收数据失败退出，在返回用户态之前，该线程会进
入退出流程，结束运行。

Close #I3XX7K
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Iec4e298dff4aefd2994289067a35cb5673e323f9

1.remove redundant headfile in kernel, such as:
  compiler.h;debug.h;automount.h;inode.h;syslog.h;net.h;
2.split fs.h to file.h and driver.h
3.move vnode.h and path_cache.h to vfs/include
4.remove redundant interface and defines

close: #I3RTNR
Signed-off-by: Nmucor <mucorwang@gmail.com>

global data should be accessed in protection

fix: #I3PW5Y
Change-Id: I9dfa09992eb8e78935ed367240628300fc033193
Signed-off-by: NCaoruihong <crh.cao@huawei.com>

close: #I3I768

Change-Id: I4f801df4abe1a9afdf43391c28276e96a5e81513

Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f

Feature or Bugfix:Feature
Binary Source:Huawei
PrivateCode(Yes/No):Yes

Change-Id: I175d2648bc6f9078c34de2c0a5c93fda10b86c47
ChangeID:13306388

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86