Pthread_once接口实现并测试通过
去掉warning
some common library need to be compiled in different fPIC mode.
Test ring buffer will not passed
Merge pull request #25 from gridnow/master

testring buff bug
增加了void *dlsection_vaddr(void *handle, const char *section_name, size_t *size)接口，通过名字可以获取section 的虚拟地址和大小。不过该函数还有一些限制，就是只能获取特定名称的section 信息。目前支持”.eh_frame”，以后再完善吧。例子：	dlobj = dlopen("0:/os/i386/test_pt", 0);
	section_addr = dlsection_vaddr(dlobj, ".eh_frame", &size);
Merge pull request #26 from gridnow/master

增加了void *dlsection_vaddr(void *handle, const char *section_name, size_t ...
Merge branch 'master' of github.com:tc1989tc/GridOs
error in readme
Implement c++ lib
include file c++
include file c++
include file c++
include file c++
include file c++
include c++ test
modify abort.c
Merge pull request #35 from tc1989tc/master

prepaer to merge c++
Merge pull request #4 from gridnow/master

llh fetch  merge