1.modifications:
modified:   syscall/fs_syscall.c
2.modify 2 testcases:
IO/full/IO_test_ppoll_001.cpp
IO/full/IO_test_ppoll_002.cpp
3.influence:
none
Signed-off-by: pef <cyd1997@126.com>
Change-Id: I85fc091098a6dfef1a4694a3bbc489640ee6dda2

1.modifications:
modified:   syscall/fs_syscall.c
modified:   syscall/los_syscall.h
modified:   syscall/syscall_lookup.h
2.add 1 testcases:
modified:   testsuites/unittest/IO/BUILD.gn
modified:   testsuites/unittest/IO/full/IO_test_pselect_001.cpp
modified:   testsuites/unittest/IO/io_test.cpp
3.influence:
none

re #I45SXU
Signed-off-by: Nwangchen <253227059@qq.com>
Change-Id: I03a5d464fd5423c360e42f7d141035ce0d83d8a8

1.modifications:
modified:   syscall/los_syscall.h
modified:   syscall/misc_syscall.c
modified:   syscall/syscall_lookup.h
2.add 3 testcases:
testsuites/unittest/IO/full/IO_test_ppoll_001.cpp
testsuites/unittest/IO/full/IO_test_ppoll_002.cpp
3.influence:
none
Signed-off-by: Nteamol <28105285@qq.com>

Signed-off-by: NSimonLi <likailong@huawei.com>

【背景】解除告警
【修改方案】
 格式化修改告警文件的文件头注释格式

re #I44497
Signed-off-by: Nlanleinan <lanleinan@163.com>

Change-Id: If9fa5de0f896ddf8c3fc88408c8f88f633fdb3e7

【背景】
1.编译新增-notest选项为了排除用例参与构建，使用该选项时内核用例仍会参与构建，不符合预期
2.用例编译配置选项太多，需调整优化
【修改方案】
1.原内核用例的源文件是通过框架自带的source_set（一种虚拟静态库）的方式组织的，
不受unittests（自定义的一种方式）控制，修改为文件列表直接加入到unittest中。
2.编译配置通过level控制
【影响】
对现有的产品编译不会有影响。

Change-Id: I2c6a96e7276346de96f222b725d417418ff0e537

Change-Id: Ib6bd11fbeaac88e69de663a7a3f2d01ac1fe9042

Change-Id: I885610a62b980bd3720b337aced886450338bdcf

Change-Id: I5fd518e2e84df1d524d9405b665306cce485eb63

Change-Id: I7f4add72f2fd1cc3770bcf103d1909add4829822

Change-Id: Ice1193d1ae7f2e0d12a2a38a306a6399407f5037